Product Information
Description
APC 100W 12V R20 Spa Light Bulb, Medium Base (APC12100M3)
100 W R20 reflector bulb for 12 V spa lights
APC APC12100M3 is a 12 V, 100 W R20 reflector bulb with a standard E26 medium screw base. It is an aftermarket replacement for the spa-light bulb in Pentair SpaBrite (79108100), Hayward AstroLite II (SPX0550Z4) and Jandy incandescent spa lights (R0450501).
| Brand | APC |
|---|---|
| Part Number | APC12100M3 |
| Part Type | Replacement spa light bulb (aftermarket) |
| Lamp Type | Incandescent reflector flood |
| Wattage | 100 W |
| Voltage | 12 V |
| Base | E26 medium screw base |
| Bulb Shape | R20 reflector |
| Face | Clear |
| Overall Length | 3-7/8 in |
| Diameter | 2-1/2 in |
| Fixture Voltage | 12 V low-voltage lights only |
| Replaces (Pentair) | 79108100 |
| Replaces (Hayward) | SPX0550Z4 |
| Replaces (Jandy) | R0450501 |
| Sold As | 1 bulb |
- Pentair SpaBrite 12 V spa lights (bulb 79108100)
- Hayward AstroLite II 12 V, 100 W lights, SP0590S and SP0590HS (bulb SPX0550Z4)
- Jandy white incandescent spa lights, 12 V 100 W (bulb R0450501)
Will this fit a 120 V SpaBrite?
No. This is the 12 V bulb. A 120 V SpaBrite takes a 120 V lamp, so check the voltage on your old bulb or on the light's label first.
Can I run the light out of the water to test it?
Only for a second or two. Incandescent spa lights rely on the water for cooling and overheat quickly in open air.
Additional Info
| Category | Parts Pool Parts Pool Light Parts |
| SKU | PST-APC12100M3 |
| MPN | APC12100M3 |
| Replaces | 79108100, R0450501, SPX0550Z4 |
| Manufacturer | APC |
| Weight | 0.1 lb |
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PST pool supplies are great to work with. I was having trouble finding this heat exchanger . Everywhere I looked, it was out of stock or back ordered. I contacted the manufacturer about buying the heat exchanger. They told me I couldn't buy it because I wasn't a dealer. If I was a dealer, they would be able to take the order. And make one, it would take 5 to 8 weeks. I contacted PST they put my order in and I received it in about six weeks. Fantastic people to work with. Thanks Tim
As described original equipment, thanks
Easy. Came quickly. Wish the shipping was free. I paid extra for insured shipping and it wasn’t signature required. Simply left in my mailbox.
My hot tub stopped giving a signal to trigger the heating core. I had to replace a whole motherboard and they had the perfect product and with a couple of screws. It went right right in and worked perfectly.
Worked perfectly to get our pool filter motor back up and running.
Great price and it was the exact fit for my TM26 Filter.
Easy to install it took 20-25 minutes and it was back up and running with no issues!
Work perfect
Same pump and motor I needed for my pool setup and would’ve been great if I didn’t have to tear apart the new one to install old part. Best price I found anywhere too.
Great company to work with!
Came in great condition my kid loves it, fit perfect hes 6 and got a medium.
Order received. Thank you
