{"title":"Hayward $100 OFF Exclusive Savings","description":"","products":[{"product_id":"w3c5030-hayward-525-sf-swimclear-cartr-filter","title":"Hayward W3C5030 SwimClear Cartridge Pool Filter, 525 Sq. Ft.","description":"\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThe Hayward W3C5030 SwimClear Cartridge Pool Filter is engineered for superior performance and effortless maintenance. This industry-leading filter is your key to a healthier, more enjoyable swimming experience, even for the largest residential pools.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBoasting an impressive\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e525 square feet of heavy-duty, dirt-trapping polyester filter surface area\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, the W3C5030 captures more dirt, debris, and microscopic particles than standard filters. This means exceptionally clean water, longer periods between cleanings, and a pool that's always inviting.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eKey Features \u0026amp; Benefits:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cul class=\"ng-star-inserted\"\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eMassive Filtration Capacity (525 Sq. Ft.):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eProvides maximum filtration for pristine water clarity and extends the time between cartridge cleanings, ideal for larger pools or high-debris environments.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eNo Backwashing Required:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eSave thousands of gallons of water annually! Simply remove the four high-quality, reinforced polyester cartridge elements, rinse them with a garden hose, and they're ready to go. This also means less chemical waste and more eco-friendly operation.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSuperior Water Clarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eThe quad-cartridge design effectively traps finer particles than sand or DE filters (without the hassle of DE), leaving your pool water brilliantly clear and pure.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDurable \u0026amp; Corrosion-Proof Tank:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eConstructed from a robust, glass-reinforced co-polymer, the filter tank is built for longevity and can withstand the toughest outdoor conditions and chemical exposure.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eEasy-Lok™ Ring Assembly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eProvides quick and easy access to the internal cartridges for cleaning and maintenance, with a secure, leak-proof seal.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eEnergy Efficient Hydraulics:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for optimal flow and energy efficiency, reducing the strain on your pump and potentially lowering your energy bills.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eIntegrated Pressure Gauge \u0026amp; Manual Air Relief:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eAllows for easy monitoring of filter pressure and simple air purging for optimal performance.\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eWhy Choose the Hayward W3C5030 SwimClear?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eIf you're looking for a high-capacity, low-maintenance, and incredibly effective filtration solution for your in-ground pool or spa, the Hayward W3C5030 is an outstanding choice. It delivers the crystal-clear water you desire without the fuss of traditional backwashing systems.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eInvest in cleaner water, easier maintenance, and more time enjoying your pool. Order your Hayward W3C5030 SwimClear Cartridge Filter today!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975605329985,"sku":"PST-W3C5030","price":2249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015661.jpg?v=1773081341"},{"product_id":"w3h135fdn-hayward-135k-btu-htr-nat-platinum","title":"W3H135FDN Hayward 135K Btu Htr Nat Platinum","description":"Hayward W3H135FDN H-Series Pool Heater, Beige","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975606771777,"sku":"PST-W3H135FDN","price":2399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015667.jpg?v=1773091468"},{"product_id":"w3h135fdp-hayward-135k-btu-htr-pro-platinum","title":"Hayward W3H135FDP Universal H-Series 135K BTU Propane Pool \u0026 Spa Gas Heater","description":"\u003cstyle\u003e  .hwh-wrapper { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 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color: #fff; border-radius: 16px; padding: 50px 30px; margin: 50px 0; }  .hwh-tech h3 { text-align: center; font-size: 2em; margin: 0 0 40px; }  .hwh-tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; max-width: 1100px; margin: 0 auto; }  .hwh-tech-item { text-align: center; padding: 0 10px; }  .hwh-tech-item .icon { font-size: 2.8em; color: #f57c2b; margin-bottom: 12px; }  .hwh-tech-item h4 { margin: 0 0 8px; color: #fff; font-size: 1.1em; }  .hwh-tech-item p { margin: 0; color: #bbb; font-size: 0.95em; }  .hwh-applications { background: #fdf4f0; border-radius: 16px; padding: 50px 30px; margin: 50px 0; text-align: center; }  .hwh-applications h3 { font-size: 2em; color: #b22222; margin: 0 0 30px; }  .hwh-applications-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; max-width: 1000px; margin: 0 auto; }  .hwh-app-card { background: #fff; padding: 24px 16px; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }  .hwh-app-card-icon { font-size: 2.5em; margin-bottom: 10px; }  .hwh-app-card h4 { margin: 0 0 6px; color: #b22222; }  .hwh-app-card p { margin: 0; color: #666; font-size: 0.9em; }  .hwh-section-title { text-align: center; font-size: 2.2em; margin: 60px 0 30px; color: #b22222; font-weight: 800; }  .hwh-section-sub { text-align: center; color: #777; margin: -20px 0 40px; font-size: 1.1em; }  .hwh-specs { background: #fafafa; border-radius: 16px; padding: 40px; margin: 50px 0; }  .hwh-specs h3 { margin: 0 0 24px; font-size: 1.6em; color: #b22222; text-align: center; }  .hwh-specs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px 30px; }  .hwh-spec-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid #e5e5e5; gap: 16px; }  .hwh-spec-row .key { color: #666; font-size: 0.95em; }  .hwh-spec-row .val { font-weight: 600; color: #1a1a1a; text-align: right; }  .hwh-faq { margin: 50px 0; }  .hwh-faq-item { background: #fff; border: 1px solid #e8e8e8; border-radius: 12px; padding: 20px 24px; margin-bottom: 12px; }  .hwh-faq-item h4 { margin: 0 0 8px; color: #b22222; font-size: 1.1em; }  .hwh-faq-item p { margin: 0; color: #555; }  .hwh-warning { background: #fff4e6; border-left: 4px solid #d94527; border-radius: 8px; padding: 24px; margin: 30px 0; }  .hwh-warning strong { color: #8b2500; font-size: 1.1em; }  .hwh-warning p { margin: 8px 0 0; color: #5a2000; font-size: 0.95em; line-height: 1.6; }  .hwh-cta { background: linear-gradient(135deg, #b22222 0%, #f57c2b 100%); color: #fff; padding: 50px 30px; border-radius: 16px; text-align: center; margin: 60px 0 20px; }  .hwh-cta h3 { font-size: 2em; margin: 0 0 12px; }  .hwh-cta p { font-size: 1.1em; opacity: 0.95; margin: 0 0 24px; }  .hwh-cta-perks { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; margin-top: 24px; }  .hwh-cta-perk { font-size: 0.95em; }\u003c\/style\u003e\u003cdiv class=\"hwh-wrapper\"\u003e  \u003c!-- HERO --\u003e  \u003cdiv class=\"hwh-hero\"\u003e    \u003ch1\u003eHayward H-Series 135K BTU\u003c\/h1\u003e    \u003cp class=\"tagline\"\u003eFaster Heat. Tougher Build. Smarter Operation.\u003c\/p\u003e    \u003cdiv class=\"badges\"\u003e      \u003cspan class=\"badge\"\u003e🔥 135,000 BTU\u003c\/span\u003e      \u003cspan class=\"badge\"\u003e⛽ Propane Gas\u003c\/span\u003e      \u003cspan class=\"badge\"\u003e🛡️ Cupro-Nickel\u003c\/span\u003e      \u003cspan class=\"badge\"\u003e🌱 Low NOx\u003c\/span\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- INTRO --\u003e  \u003cp class=\"hwh-intro\"\u003eThe \u003cstrong\u003eHayward Universal H-Series W3H135FDP\u003c\/strong\u003e is a 135,000 BTU forced-draft propane gas heater built to deliver fast, reliable warmth for above-ground pools, in-ground pools, and spas. With its industry-leading hydraulic performance, durable cupro-nickel heat exchanger, and intuitive electronic control panel, the H-Series gets your water to swimming temperature quickly and keeps it there efficiently, season after season.\u003c\/p\u003e  \u003c!-- KEY STATS --\u003e  \u003cdiv class=\"hwh-stats\"\u003e    \u003cdiv class=\"hwh-stat\"\u003e\n\u003cspan class=\"num\"\u003e135K\u003c\/span\u003e\u003cspan class=\"label\"\u003eBTU Output\u003c\/span\u003e\n\u003c\/div\u003e    \u003cdiv class=\"hwh-stat\"\u003e\n\u003cspan class=\"num\"\u003e2x\u003c\/span\u003e\u003cspan class=\"label\"\u003eVoltage Options\u003c\/span\u003e\n\u003c\/div\u003e    \u003cdiv class=\"hwh-stat\"\u003e\n\u003cspan class=\"num\"\u003e100%\u003c\/span\u003e\u003cspan class=\"label\"\u003eCupro-Nickel\u003c\/span\u003e\n\u003c\/div\u003e    \u003cdiv class=\"hwh-stat\"\u003e\n\u003cspan class=\"num\"\u003eLow\u003c\/span\u003e\u003cspan class=\"label\"\u003eNOx Certified\u003c\/span\u003e\n\u003c\/div\u003e    \u003cdiv class=\"hwh-stat\"\u003e\n\u003cspan class=\"num\"\u003e3-in-1\u003c\/span\u003e\u003cspan class=\"label\"\u003ePool\/Spa\/AG\u003c\/span\u003e\n\u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- BIG FEATURE 1: FORCED DRAFT --\u003e  \u003cdiv class=\"hwh-big-feature\"\u003e    \u003cdiv\u003e      \u003ch3\u003eForced-Draft \u003cspan class=\"accent\"\u003eCombustion\u003c\/span\u003e\n\u003c\/h3\u003e      \u003cp\u003eUnlike atmospheric heaters that depend on natural airflow, the H-Series uses a precision-engineered forced-draft system to push air through the combustion chamber at a controlled rate. The result: consistent, full-power heating regardless of wind, weather, or stack conditions. No tall stack required, and no surprise performance drops on breezy days.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-visual\"\u003e      \u003cdiv class=\"hwh-visual-icon\"\u003e💨\u003c\/div\u003e      \u003cdiv class=\"hwh-visual-label\"\u003eWind-Independent Heating\u003c\/div\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- BIG FEATURE 2: CUPRO-NICKEL --\u003e  \u003cdiv class=\"hwh-big-feature reverse\"\u003e    \u003cdiv\u003e      \u003ch3\u003eCupro-Nickel Heat Exchanger \u003cspan class=\"accent\"\u003eStandard\u003c\/span\u003e\n\u003c\/h3\u003e      \u003cp\u003eThe H-Series ships with Hayward's premium cupro-nickel heat exchanger as the standard configuration, not a paid upgrade. Cupro-nickel resists corrosion from unbalanced water chemistry, high-flow conditions, and salt-water systems far better than copper alone. The patented single-header V-baffle design delivers long life, fast heat transfer, and virtually no condensation.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-visual light\"\u003e      \u003cdiv class=\"hwh-visual-icon\"\u003e🛡️\u003c\/div\u003e      \u003cdiv class=\"hwh-visual-label\"\u003eBuilt to Last\u003c\/div\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- BIG FEATURE 3: ELECTRONIC CONTROL --\u003e  \u003cdiv class=\"hwh-big-feature\"\u003e    \u003cdiv\u003e      \u003ch3\u003eIntuitive \u003cspan class=\"accent\"\u003eElectronic Control\u003c\/span\u003e\n\u003c\/h3\u003e      \u003cp\u003eAn easy-to-read digital LED control panel makes operation simple. Set separate pool and spa temperatures with dual thermostats, monitor heater status at a glance, and start your heater reliably every time thanks to electronic ignition. Less time fiddling with controls, more time enjoying warm water.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-visual dark\"\u003e      \u003cdiv class=\"hwh-visual-icon\"\u003e🎛️\u003c\/div\u003e      \u003cdiv class=\"hwh-visual-label\"\u003eSmart \u0026amp; Simple\u003c\/div\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- TECH CALLOUT --\u003e  \u003cdiv class=\"hwh-tech\"\u003e    \u003ch3\u003eEngineering That Matters\u003c\/h3\u003e    \u003cdiv class=\"hwh-tech-grid\"\u003e      \u003cdiv class=\"hwh-tech-item\"\u003e        \u003cdiv class=\"icon\"\u003e⚡\u003c\/div\u003e        \u003ch4\u003eSpeed-to-Heat\u003c\/h4\u003e        \u003cp\u003eIndustry-leading hydraulic performance heats water faster than competing units.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"hwh-tech-item\"\u003e        \u003cdiv class=\"icon\"\u003e💧\u003c\/div\u003e        \u003ch4\u003eTotally Managed Flow\u003c\/h4\u003e        \u003cp\u003eOptimized water flow design lowers pump run time and saves energy.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"hwh-tech-item\"\u003e        \u003cdiv class=\"icon\"\u003e🌍\u003c\/div\u003e        \u003ch4\u003eLow NOx Emissions\u003c\/h4\u003e        \u003cp\u003eMeets clean air standards in California (SCAQMD) and Texas (TNRCC) low-NOx zones.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"hwh-tech-item\"\u003e        \u003cdiv class=\"icon\"\u003e🔌\u003c\/div\u003e        \u003ch4\u003eDual Voltage\u003c\/h4\u003e        \u003cp\u003eOperates on either 120V or 240V circuits. Flexible installation in any setup.\u003c\/p\u003e      \u003c\/div\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- APPLICATIONS --\u003e  \u003cdiv class=\"hwh-applications\"\u003e    \u003ch3\u003eBuilt For Every Backyard\u003c\/h3\u003e    \u003cdiv class=\"hwh-applications-row\"\u003e      \u003cdiv class=\"hwh-app-card\"\u003e        \u003cdiv class=\"hwh-app-card-icon\"\u003e🏊\u003c\/div\u003e        \u003ch4\u003eAbove-Ground Pools\u003c\/h4\u003e        \u003cp\u003ePerfectly sized for residential above-ground installations.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"hwh-app-card\"\u003e        \u003cdiv class=\"hwh-app-card-icon\"\u003e🏖️\u003c\/div\u003e        \u003ch4\u003eIn-Ground Pools\u003c\/h4\u003e        \u003cp\u003eCompatible with smaller in-ground pools and spillover spas.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"hwh-app-card\"\u003e        \u003cdiv class=\"hwh-app-card-icon\"\u003e♨️\u003c\/div\u003e        \u003ch4\u003eSpas \u0026amp; Hot Tubs\u003c\/h4\u003e        \u003cp\u003eDual thermostat lets you switch from pool to spa with the press of a button.\u003c\/p\u003e      \u003c\/div\u003e      \u003cdiv class=\"hwh-app-card\"\u003e        \u003cdiv class=\"hwh-app-card-icon\"\u003e🧂\u003c\/div\u003e        \u003ch4\u003eSalt Pools\u003c\/h4\u003e        \u003cp\u003eCupro-nickel construction handles salt-water chemistry without compromise.\u003c\/p\u003e      \u003c\/div\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- FEATURE CARDS --\u003e  \u003ch2 class=\"hwh-section-title\"\u003eWhy Choose the H-Series\u003c\/h2\u003e  \u003cp class=\"hwh-section-sub\"\u003ePremium features that protect your investment.\u003c\/p\u003e  \u003cdiv class=\"hwh-features-grid\"\u003e    \u003cdiv class=\"hwh-feature-card\"\u003e      \u003cdiv class=\"hwh-feature-icon\"\u003e🔥\u003c\/div\u003e      \u003ch3\u003e135,000 BTU Output\u003c\/h3\u003e      \u003cp\u003ePowerful enough to heat smaller pools and spas quickly without overkill on energy consumption.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-feature-card\"\u003e      \u003cdiv class=\"hwh-feature-icon\"\u003e🛡️\u003c\/div\u003e      \u003ch3\u003eCorrosion Resistance\u003c\/h3\u003e      \u003cp\u003eCupro-nickel heat exchanger withstands the harshest pool chemistry, including high-salt environments.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-feature-card\"\u003e      \u003cdiv class=\"hwh-feature-icon\"\u003e⚙️\u003c\/div\u003e      \u003ch3\u003eV-Baffle Design\u003c\/h3\u003e      \u003cp\u003ePatented single-header V-baffle exchanger maximizes heat transfer while minimizing condensation buildup.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-feature-card\"\u003e      \u003cdiv class=\"hwh-feature-icon\"\u003e📺\u003c\/div\u003e      \u003ch3\u003eLED Digital Panel\u003c\/h3\u003e      \u003cp\u003eCrisp LED readout shows temperature, status, and diagnostic info at a glance.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-feature-card\"\u003e      \u003cdiv class=\"hwh-feature-icon\"\u003e🔄\u003c\/div\u003e      \u003ch3\u003eDual Thermostats\u003c\/h3\u003e      \u003cp\u003eSet independent pool and spa temperatures, then switch modes instantly.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-feature-card\"\u003e      \u003cdiv class=\"hwh-feature-icon\"\u003e🌿\u003c\/div\u003e      \u003ch3\u003eEco-Friendly Design\u003c\/h3\u003e      \u003cp\u003eLow NOx emissions and optimized water flow reduce environmental impact and operating costs.\u003c\/p\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- INSTALLATION WARNING --\u003e  \u003cdiv class=\"hwh-warning\"\u003e    \u003cstrong\u003e⚠️ Professional Installation Required\u003c\/strong\u003e    \u003cp\u003eGas pool heaters must be installed by a licensed gas technician to ensure proper venting, gas line sizing, and code compliance. Hayward requires professional installation for warranty validity. Improper installation can result in fire, carbon monoxide hazards, property damage, personal injury, and voided warranty coverage. Please verify your gas supply, electrical service, and local code requirements before purchase.\u003c\/p\u003e  \u003c\/div\u003e  \u003c!-- SPECS --\u003e  \u003cdiv class=\"hwh-specs\"\u003e    \u003ch3\u003eFull Specifications\u003c\/h3\u003e    \u003cdiv class=\"hwh-specs-grid\"\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eManufacturer\u003c\/span\u003e\u003cspan class=\"val\"\u003eHayward\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eSeries\u003c\/span\u003e\u003cspan class=\"val\"\u003eUniversal H-Series\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eModel\u003c\/span\u003e\u003cspan class=\"val\"\u003eW3H135FDP\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eHeating Output\u003c\/span\u003e\u003cspan class=\"val\"\u003e135,000 BTU\/hr\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eFuel Type\u003c\/span\u003e\u003cspan class=\"val\"\u003ePropane Gas\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eDraft Type\u003c\/span\u003e\u003cspan class=\"val\"\u003eForced Draft\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eHeat Exchanger\u003c\/span\u003e\u003cspan class=\"val\"\u003eCupro-Nickel (Standard)\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eHeat Exchanger Design\u003c\/span\u003e\u003cspan class=\"val\"\u003eSingle-Header V-Baffle\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eIgnition\u003c\/span\u003e\u003cspan class=\"val\"\u003eElectronic\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eControl Panel\u003c\/span\u003e\u003cspan class=\"val\"\u003eDigital LED Display\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eThermostats\u003c\/span\u003e\u003cspan class=\"val\"\u003eDual (Pool + Spa)\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eVoltage\u003c\/span\u003e\u003cspan class=\"val\"\u003e120V or 240V (Dual)\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eEmissions\u003c\/span\u003e\u003cspan class=\"val\"\u003eLow NOx Compliant\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eCompliance\u003c\/span\u003e\u003cspan class=\"val\"\u003eSCAQMD \/ TNRCC Standards\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eStack Requirement\u003c\/span\u003e\u003cspan class=\"val\"\u003eNo High-Wind Stack Needed\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eSalt-Pool Compatible\u003c\/span\u003e\u003cspan class=\"val\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003ePool Type\u003c\/span\u003e\u003cspan class=\"val\"\u003eAbove-Ground \u0026amp; In-Ground\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eSpa Compatible\u003c\/span\u003e\u003cspan class=\"val\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eCertifications\u003c\/span\u003e\u003cspan class=\"val\"\u003eAHRI, ETL\u003c\/span\u003e\n\u003c\/div\u003e      \u003cdiv class=\"hwh-spec-row\"\u003e\n\u003cspan class=\"key\"\u003eWarranty\u003c\/span\u003e\u003cspan class=\"val\"\u003eHayward Manufacturer Warranty\u003c\/span\u003e\n\u003c\/div\u003e    \u003c\/div\u003e  \u003c\/div\u003e  \u003c!-- FAQ --\u003e  \u003ch2 class=\"hwh-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e  \u003cdiv class=\"hwh-faq\"\u003e    \u003cdiv class=\"hwh-faq-item\"\u003e      \u003ch4\u003eWhat size pool will the 135K BTU heater handle?\u003c\/h4\u003e      \u003cp\u003eThe 135,000 BTU H-Series is ideally sized for smaller above-ground pools (up to about 15,000 gallons), most spas, and small in-ground pools. For larger pools (20,000+ gallons), Hayward recommends stepping up to the 150K, 250K, 300K, or 400K BTU models for adequate heat rise.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-faq-item\"\u003e      \u003ch4\u003eWhat's the difference between W3H135FDP and W3H135FDN?\u003c\/h4\u003e      \u003cp\u003eThe \"FDP\" model runs on propane (LP) gas, while the \"FDN\" model runs on natural gas. Both are identical otherwise. Choose based on your home's gas supply — propane for tank-fed installations, natural gas for line-fed.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-faq-item\"\u003e      \u003ch4\u003eCan I install this myself?\u003c\/h4\u003e      \u003cp\u003eNo. Gas pool heaters must be installed by a licensed gas technician for safety and warranty compliance. Installation involves gas line sizing, proper venting, electrical hookup, and inspection by local code authorities.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-faq-item\"\u003e      \u003ch4\u003eDoes it work with salt-chlorinated pools?\u003c\/h4\u003e      \u003cp\u003eYes. The H-Series ships with a cupro-nickel heat exchanger as the standard configuration, which provides excellent corrosion resistance against salt-water chemistry and unbalanced pool water.\u003c\/p\u003e    \u003c\/div\u003e    \u003cdiv class=\"hwh-faq-item\"\u003e      \u003ch4\u003eHow long does it take to heat a pool?\u003c\/h4\u003e      \u003cp\u003eHeating time depends on starting temperature, target temperature, pool size, ambient air temperature, and pool cover usage. A general guideline: a 135K BTU heater raises a 10,000-gallon pool by about 1°F per hour under typical conditions. A pool cover dramatically reduce\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975606870081,"sku":"PST-W3H135FDP","price":2399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015668.jpg?v=1773084522"},{"product_id":"w3h150fdn-hayward-150k-btu-univ-h-series-nat-low-nox","title":"W3H150FDN Hayward 150K Btu Univ H Series Nat Low Nox","description":"Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975606968385,"sku":"PST-W3H150FDN","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015669.jpg?v=1773095047"},{"product_id":"w3h150fdp-hayward-150k-btu-univ-h-series-lp-low-nox","title":"W3H150FDP Hayward 150K Btu Univ H Series Lp Low Nox","description":"Hayward W3H150FDP Universal H-Series 150,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975607066689,"sku":"PST-W3H150FDP","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015670.jpg?v=1773079721"},{"product_id":"w3h200fdn-hayward-200k-btu-univ-h-series-nat-low-nox","title":"W3H200FDN Hayward 200K Btu Univ H Series Nat Low Nox","description":"Hayward W3H200FDN Universal H-Series 200,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975607164993,"sku":"PST-W3H200FDN","price":3699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015671.jpg?v=1773094109"},{"product_id":"w3h200fdp-hayward-200k-btu-univ-h-series-lp-low-nox","title":"W3H200FDP Hayward 200K Btu Univ H Series Lp Low Nox","description":"Hayward W3H200FDP Universal H-Series 200,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975607328833,"sku":"PST-W3H200FDP","price":3699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015672.jpg?v=1773080375"},{"product_id":"w3h250fdn-hayward-250k-btu-univ-h-series-nat-low-nox","title":"W3H250FDN Hayward 250K Btu Univ H Series Nat Low Nox","description":"Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas","brand":"Hayward","offers":[{"title":"Default Title","offer_id":41975607459905,"sku":"PST-W3H250FDN","price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1623\/0209\/files\/1015673.jpg?v=1773088025"},{"product_id":"w3h250fdp-hayward-250k-btu-univ-h-series-lp-low-nox","title":"W3H250FDP Hayward 250K Btu Univ H Series Lp Low Nox","description":"\u003cp\u003eHayward W3H250FDP Universal H-Series 250,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas\u003c\/p\u003e\r\u003cp\u003eThe Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional.\u003c\/p\u003e\r\u003cul\u003e\r\u003cli\u003eStandard cupro nickel heat exchanger\u003c\/li\u003e\r\u003cli\u003eExcellent salt water and chemical corrosion resistance\u003c\/li\u003e\r\u003cli\u003eExclusive \"Totally Managed\" cupro nickel heat exchanger water flow\u003c\/li\u003e\r\u003cli\u003eSame water velocity through all tubes for faster heating\u003c\/li\u003e\r\u003cli\u003ePatented header by-pass design\u003c\/li\u003e\r\u003cli\u003eReduction in pump run-time results in significant cost savings\u003c\/li\u003e\r\u003cli\u003e2in x 2 1\/2in CPVC union plumbing connections\u003c\/li\u003e\r\u003cli\u003eCommon union for installation or service, adapts to larger plumbing recommended for greater efficiencies\u003c\/li\u003e\r\u003cli\u003eLow NOx emissions - 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