77707-0113 Air Orifice Kit for MasterTemp & Max-E-Therm 400 Pool Heaters | Pentair

77707-0113 Air Orifice Kit for MasterTemp & Max-E-Therm 400 Pool Heaters | Pentair

Marsoni

M251S

$74.99

Get it in 3 business days with 1 day shipping. Friday, May 29

77707-0113 Air Orifice Kit for MasterTemp & Max-E-Therm 400 Pool Heaters | PentairRestore proper combustion performance in your Pentair pool heater with this genuine Pentair Air Orifice Kit. Built with factory spec precision, the orifices in this kit carefully control the air to gas mixture feeding into the burner, promoting efficient heat output and consistent temperature delivery. When your heater's orifices wear or become obstructed, combustion suffers and heating times increase. This direct fit kit returns your Mastertemp or

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This was horribly made and a nightmare to put together. You have to basically bend the bars to get the coverings attached. The sizes don't match. The stickers that label the parts are impossible to remove and if you do get them off theres a lot of residue left behind. On top of that once it was put together I noticed theres a big dirty foot print on it which is definitely not mine.

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Reviewed in the United States on January 5, 2026

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Duckie mom

Lake Worth, US

★★★★★ 3

You have to add weight to it

Color: Coal Black

It does its job and it was easy to put together but it's a little on the flimsy side and it will easily be knocked down. So you're going to have to figure out a way to make the legs heavier? I used cinder blocks, single cinder blocks and it works just fine. Just know that it will knock over super easy

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Reviewed in the United States on January 22, 2026

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Oneida P

Carnegie, US

★★★★★ 5

The snap to put them together.

Color: Coal Black

This came in handy in the foyer. I didn’t want to see the door from my couch. I must be weak found it hard to snap them together. I kept 2 my daughter took the other 2.

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Reviewed in the United States on May 19, 2026

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Jennifer Cal

Charlottesville, US

★★★★★ 5

I have 2!

Color: Coal Black

My office is in my loft. But there are things along the wall I don’t want to look at. These work great. Hides what I don’t want to see & is a classy look in the room. Sturdy, easy to assemble, well made.

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Reviewed in the United States on May 31, 2026

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Excelente

Belleville, US

★★★★★ 5

Excelente calidad

Color: Black, Size: Standard - 4 Panel

Excelente

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Reviewed in the United States on June 1, 2026