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Part # NA722

Dimensions 3.5" L x 2.5" W x 2.5" D

Alternate Part #'s 57-555-1015, APC12100M3, HAL104020

Product Description

POOL & SPA REPLACEMENT LIGHT BULBS

Specially designed to keep your pool well lit this season. Our bulbs are made with thicker filaments and glass to last longer. Heavy duty heat shielding prevents damaging heat build-up and prolongs the bulb's life.

* Dimensions may vary slightly

POOL & SPA LIGHT LENS GASKETS


Remember when replacing your pool or spa light bulb it is very important to replace the lights lens gasket. After long use, heat, and harsh chemicals, the old gasket is probably compressed, and if it doesn't fail immediately, it might fail before the next bulb change. Click here for Pool Light Lens Gaskets
For additional pool & spa light bulbs

Product Specifications

Watts:
100 W
Volts:
12 V
Base:
R-20 Short
Dimension A:
3-7/8 in.
Dimension B:
2-1/2 in.
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?     Asked on 1/21/2013by Guest

My bulbs burn out after a few hours of use. What would cause this?
 Reply

A  Answered on 1/21/2013 by InyoPools Product Specialist Patrick P.

My first guess would be to check the voltage. If you are getting anything more than 12v to the light, it will run hotter and burn out quicker.
 Reply


?     Asked on 5/13/2018by Mike

Hello, Is there a LED ( white or color changing) replacement for this bulb. Thank You Mike
 Reply

A  Answered on 5/13/2018 by InyoPools Product Specialist Lennox H.

Hi, Mike. In order to confirm, I will need to know the make and model of your existing fixture. We do not carry a universal LED bulb, they're only compatible with specific fixtures.
 Reply


?     Asked on 6/3/2019by Keith D'Angelo

is there an led model for this. I have a pentair series 7810xxx also says use with model 7824xxxx, 792066xx fixture housing if that helps.
 Reply

A  Answered on 10/2/2019 by InyoPools Product Specialist Steve M.

Keith, no, there is no LED replacement bulb for your Pentair Aqualight fixture. You would need to replace the whole light fixture. We offer the PureColors LED Bulb & Pentair SpaBrite Spa Light Fixture Kit 120V 50' Cord - PL5861 as a replacement fixture for your existing light. 
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?     Asked on 5/7/2021by John Mihal

I have a Hayward SP-580 Series Underwater light fixture that is 12 volt 100Watts. Is there an LED bulb available for this fixture?
 Reply

A  Answered on 5/7/2021 by InyoPools Product Specialist Patrick P.

Hi John, Is your light used in your pool and not spa? If so and it measures approximately 10-5/8" in diameter then you will require this 12V Pool Replacement LED Bulb Color Changing if you have the smaller spa light for the light fixtures roughly 5-3/4" in diameter then you will require this 12V Spa Replacement LED Bulb Color Changing 
 Reply

  • Commented on 5/7/2021 by Product Owner

    Thank you.
     Reply


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Difficulty

Est. Repair Time

Less than 1 hr

Tools Needed

Screwdriver, Wrench Set

1     0

bulb was burned out

Written on 4/19/2017 by Guest

per your video I first turned off the circuit breaker. I then remover the light fixture and placed it on the pool edge.
I disassembled the lens from the fixture, the gasket was in bad shape it had started to deteriorate.
I ordered a new 100w, 12v bulb and gasket. when the new bulb and gasket arrived I assembled them and
reinstalled them per the video. thanks to your video the job was easy since I had never done this before.

Were these instructions helpful?