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Thread: American Products Company 3915

  1. #1
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    American Products Company 3915

    I'm trying to replace a light bulb, but before I did, I wanted to make sure I for the right one. I pulled the fixture, hoping to get some information from the fixture, but tree only thing I found wras a very faint engraving on the lens, reading American Parts Company 3615. Anyway to tell the size of the light bulb from that?
    33k in-ground plaster pool and spa / Goldline T-15 SWG w/ Aqualogic controller / RS2000 Hayward pump / Pentair Clean & Clear Plus 420 sq. ft. cartridge filter

  2. #2
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    Re: American Products Company 3915

    Its got to be either 12 volts or 120 volts. Then the wattage will be either 100, 300, 400, or 500 watts. Towards the base of the light, you should also see some markings...maybe.
    Sean Assam - Sean@teamhorner.com
    Commercial Products Sales Manager
    AquaCal Heat Pumps www.aquacal.com
    AutoPilot Salt Chlorine Generators www.autopilot.com

  3. #3
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    Re: American Products Company 3915

    I figured it was 120 volts, since I didn't see a transformer anywhere. After doing a few searches, it might be an older-style Amerlite, which can take 300, 400, or 500 watt bulbs. At least, it has a cone shape, and I found a manual for the Amerlite that looks kind of like my light, with a 3615 model number. I know that you are supposed to replace it with the same wattage, but do you think there will be a problem if I crack it open and find out it's holding a 300 watt bulb, when I picked up a 500 watt replacement? I can't find a store nearby that stocks the bulbs, so I have to order them online.
    33k in-ground plaster pool and spa / Goldline T-15 SWG w/ Aqualogic controller / RS2000 Hayward pump / Pentair Clean & Clear Plus 420 sq. ft. cartridge filter

  4. #4
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    Re: American Products Company 3915

    You shouldn't have a problem putting a 500 watt bulb if it's a 300 watt light. However, depending on where the bulb is pointing (such as towards your bedroom, 500 watts will be brighter and may put out too much light into you house.
    Rule of thumb, replace the lens gasket whenever you replace the bulb.
    Again, the bulb should have the exact information you need marked on the bulb. While it's opened, IF YOU'RE COMFORTABLE WITH ELECTRICITY, you can put a meter on the contacts to determine if it's 120volts or 12 volts. Sometimes the circuit panel will have the light transformer. For all practical purposes, you can stick a standard household light bulb temporarily, for testing purposes. If it's 12 volts, the house light bulb will not light up.
    Sean Assam - Sean@teamhorner.com
    Commercial Products Sales Manager
    AquaCal Heat Pumps www.aquacal.com
    AutoPilot Salt Chlorine Generators www.autopilot.com

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