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Pentair 78448100 Amerlite Underwater Incandescent Pool Light with Stainless Steel Face Ring, 120 Volt, 50 Foot Cord, 400 Watt

4.6 4.6 out of 5 stars 363 ratings

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  • Stainless Steel Face Ring With Uni-Tension Clamp
  • 8-3/8 In. Prismatic Tempered Glass Lens For Optimum Light Diffusion.
  • UL Listed When Installed In Pentair Niches. 4-foot overlap for easy installation
  • Heat-Sensing Cutoff For Low Water Protection. Note- All 120-V pool and spa lights must be connected to a branch circuit protected by a ground fault circuit interrupter (GFCI)
  • Allows Bulb Changes Without Lowering Water Level

Customer ratings by feature

Easy to install
4.5 4.5
Brightness
4.3 4.3
Value for money
4.1 4.1
Remote Control
3.3 3.3

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Pentair 78448100 Amerlite Underwater Incandescent Pool Light with Stainless Steel Face Ring, 120 Volt, 50 Foot Cord, 400 Watt
Pentair 78448100 Amerlite Underwater Incandescent Pool Light with Stainless Steel Face Ring, 120 Volt, 50 Foot Cord, 400 Watt
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Price$409.00-7% $354.99
List:$379.99
$480.51$706.95$692.62
Delivery
Get it as soon as Tuesday, Mar 26
Get it Mar 26 - 28
Get it Mar 22 - 27
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Get it as soon as Sunday, Mar 24
Customer Ratings
Easy to install
4.5
4.5
4.1
4.4
Brightness
4.3
4.3
4.6
3.9
Value for money
4.1
4.1
4.3
4.0
Remote Control
3.3
3.3
2.2
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From the manufacturer

Amerlite Underwater Incandescent Pool Light with Stainless Steel Face Ring

Amerlite, the standard of reliability for underwater lights, features a stainless-steel shell, a 8.375-in. prismatic tempered glass lens and a stainless-steel face ring with uni-tension clamp. Amerlite systems are to install in full-sized Pentair, American, PacFab and Purex niches.

  • Superior light diffusion
  • Low water cutoff
  • Lens covers available in blue, red, green and amber
  • Plastic snap-on face rings available for stainless-steel light

Product information

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Pentair 78448100 Amerlite Underwater Incandescent Pool Light with Stainless Steel Face Ring, 120 Volt, 50 Foot Cord, 400 Watt


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Product guides and documents

Product Description

Amerlite lights, the world standard of reliability for underwater lights, feature a stainless steel shell, 8-3/8 in. prismatic tempered glass lens, and 10 1/8 in. stainless steel face ring with uni-tension clamp. Amerlite lights have a thermal low water cutoff. Create different moods with optional snap-on lens covers in blue, red, and green, available for purchase separately. Amerlite lights are UL listed to install in full-sized Pentair Pool Products, American, PacFab, and Purex niches, and are for use in freshwater with up to 6,000 ppm salinity. Product measures 7-3/4 in. length, 10-1/8 in. width, 10-1/8 in height.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
363 global ratings

Customers say

Customers like the performance, ease of installation, quality and light of the outdoor living category. They mention that it works great, comes fully assembled and is built to last. They also like the fit, and value. However, some customers have reported durability issues with the product arriving damaged. Customers also disagree on seal.

AI-generated from the text of customer reviews

41 customers mention39 positive2 negative

Customers are satisfied with the performance of the outdoor living product. They mention that it works great, has no problems, and is easy to install. Customers also appreciate the specific fit, finish, and function of the product.

"...Wired everything in and boom, light was working, GFCI was happy and all is well after more than a week in the pool...." Read more

"This is working great. I tried to tape the old light cord to the new one, but it just didn't hold while trying to pull it through...." Read more

"...The unit works well and easy install." Read more

"...Fit perfectly. Works great." Read more

32 customers mention32 positive0 negative

Customers find the installation process of the outdoor living light to be easy. They mention that it comes fully assembled and ready to install.

"...I purchase this light instead and it installed very easily. It has a very simple gasket to keep it water tight. The gasket is easily replaceable...." Read more

"...It wasn't hard to install- just make sure you turn the power OFF at the circuit breaker!..." Read more

"...The install was actually relatively easy, but make sure you do it correctly...." Read more

"...The color changing feature is cool and easy to use by simply flipping off and back on the light switch...." Read more

20 customers mention20 positive0 negative

Customers are satisfied with the quality of the outdoor living product. They mention that it is easy to install and a great product. Some customers also say that it's built to last and able to replace a pool light.

"Plug and play. Sturdy construction. Thick casing around the cord. Plenty of corddk the job. Worth the premium price." Read more

"...Easy to install and is a quality product. Well insulated and quality components...." Read more

"Good lamp." Read more

"...We even changed the bulb to a color changing bulb. Good buy." Read more

16 customers mention16 positive0 negative

Customers like the light. They say it's a good pool light, easy to install, and has a great bulb. The colors are clear and bright, and the light harness is great. However, some customers received the light with a broken bulb.

"...Also that light is bright enough for my in-ground 20x40ft 40k Gallon Pool...." Read more

"...The colors are clear and bright (except for red, because water absorbs red light)...." Read more

"...So far the light has been working well. I would recommend." Read more

"...Light worked perfectly once I replaced the broken bulb." Read more

10 customers mention10 positive0 negative

Customers are satisfied with the fit of the product. They mention that it fits right, is bright, and has a good cord. Some customers also mention that the product is a perfect fit for their pool and works well.

"...Fit perfectly. Works great." Read more

"This was a perfect fit for an old pool light that had leaked and started corroding. Was able to run wire no problem using a fish tape...." Read more

"Nice and fit well. Light was not broken but I replaced it with an LED color changing option. Easy to install." Read more

"Full on product specific fit, finish, function ... the 3F's of a great sale ... could not be better." Read more

9 customers mention9 positive0 negative

Customers appreciate the value of the product. They mention that it is a great replacement at a good price.

"...Thick casing around the cord. Plenty of corddk the job. Worth the premium price." Read more

"Great product for great price. I had originally bought the wrong size but I returned it and had the new one in just a few days." Read more

"This is a good product for the price. No problems and everything comes complete to install...." Read more

"This saved me a lot of money and the product is just what I needed...." Read more

11 customers mention4 positive7 negative

Customers are mixed about the seal of the outdoor living product. Some mention that it doesn't leak, it has a very simple gasket to keep it water tight, and the gasket is easily replaceable. Others say that the fixture was leaking water into the housing and that it was poorly made.

"...Turns out - the fixture was leaking water into the housing from the wire that went into the back of the housing itself...." Read more

"...It has a very simple gasket to keep it water tight. The gasket is easily replaceable. I combined this with the WYZM 35W color changing led bulb...." Read more

"...hate to be in the water with this and discover the hard way that it was leaking!! At any rate, it didn't leak...." Read more

"Exact replacement for what I had. came completely sealed and ready to be wired." Read more

14 customers mention0 positive14 negative

Customers are dissatisfied with the durability of the outdoor living product. They mention that the bulb was broken upon arrival, the packaging was damaged, and the product arrived damaged.

"...The 12 volt fixture I ordered separately arrived with a shattered bulb; the pool installer tested it and said the unit was defective and would..." Read more

"...an hour of problem solving, I figured out that the light had arrived with a broken bulb...." Read more

"Had the pool redone 2 years ago and put this light in.. the bulb was broken upon receiving it but I had ordered a led 16 color pool bulb to go with..." Read more

"Received a broken bulb. Went to local pool supply store and got a replacement but not sure I would purchase again...." Read more

My GFCI kept tripping, until I bought this...
5 Stars
My GFCI kept tripping, until I bought this...
So I spent three weekends diagnosing a new LED Pool Light that kept tripping my GFCI breaker. I re-wired the outdoor circuit box, I changed to an incandescent, I tried a different LED pool light. No matter what, inevitably after a few days of getting it all to work, my GFCI would eventually trip - and keep tripping thereafter.Finally I realized that water was somehow getting into my old Pentair Light Housing fixture. Of course I assumed water was coming in from my lens gasket. So I bought two new lens gaskets and tried them both. Still water was getting in the housing somehow. After many hours and many different steps taken to resolve the issue I finally realized that it was something else.Turns out - the fixture was leaking water into the housing from the wire that went into the back of the housing itself. I suppose that over several years of sitting in water and going through Michigan winters, that the seal eventually goes bad where the wiring enters the fixture.Installing this new Pentair fixture was simple.I cut the wire to the old fixture off near the housing and soldered the new wire to the old. Wrapped it in electrical tape and pulled on the old wire where it entered the outdoor circuit box. I never even had to drain my pool. I pulled this new wire up with ease into my circuit box and had plenty of extra wire left over. Wired everything in and boom, light was working, GFCI was happy and all is well after more than a week in the pool.I did open up the this housing when I first received it and replaced the 400W incandescent that comes pre-installed to a multi-color LED (https://smile.amazon.com/gp/product/B071ZD3PPC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1) and everything works great. Also that light is bright enough for my in-ground 20x40ft 40k Gallon Pool.If you're ever in doubt about your wiring and wonder if water is getting in there, you will notice that the copper wire has blackend by the water getting into the insulation/wiring. *see pics attached* The wire should be a shiny bright copper color if no water has gotten into the electrical line.Hope this info helps someone else save lots of time. For the $179 I paid for this - I wish I would have replaced this as the first step in my trouble-shooting process.
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Top reviews from the United States

Reviewed in the United States on July 7, 2019
Customer image
5.0 out of 5 stars My GFCI kept tripping, until I bought this...
Reviewed in the United States on July 7, 2019
So I spent three weekends diagnosing a new LED Pool Light that kept tripping my GFCI breaker. I re-wired the outdoor circuit box, I changed to an incandescent, I tried a different LED pool light. No matter what, inevitably after a few days of getting it all to work, my GFCI would eventually trip - and keep tripping thereafter.

Finally I realized that water was somehow getting into my old Pentair Light Housing fixture. Of course I assumed water was coming in from my lens gasket. So I bought two new lens gaskets and tried them both. Still water was getting in the housing somehow. After many hours and many different steps taken to resolve the issue I finally realized that it was something else.

Turns out - the fixture was leaking water into the housing from the wire that went into the back of the housing itself. I suppose that over several years of sitting in water and going through Michigan winters, that the seal eventually goes bad where the wiring enters the fixture.

Installing this new Pentair fixture was simple.

I cut the wire to the old fixture off near the housing and soldered the new wire to the old. Wrapped it in electrical tape and pulled on the old wire where it entered the outdoor circuit box. I never even had to drain my pool. I pulled this new wire up with ease into my circuit box and had plenty of extra wire left over. Wired everything in and boom, light was working, GFCI was happy and all is well after more than a week in the pool.

I did open up the this housing when I first received it and replaced the 400W incandescent that comes pre-installed to a multi-color LED (https://smile.amazon.com/gp/product/B071ZD3PPC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1) and everything works great. Also that light is bright enough for my in-ground 20x40ft 40k Gallon Pool.

If you're ever in doubt about your wiring and wonder if water is getting in there, you will notice that the copper wire has blackend by the water getting into the insulation/wiring. *see pics attached* The wire should be a shiny bright copper color if no water has gotten into the electrical line.

Hope this info helps someone else save lots of time. For the $179 I paid for this - I wish I would have replaced this as the first step in my trouble-shooting process.
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