Pentair Natural Gas Air Orifice for ETI 400 Pool Heaters - Part 475604

Pentair Natural Gas Air Orifice for ETI 400 Pool Heaters - Part 475604

Marsoni

M251S

$69.99

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

Pentair Natural Gas Air Orifice for ETI 400 Pool Heaters - Part 475604Keep your Pentair ETI 400 High Efficiency Pool and Spa Gas Heater running at its best with the Pentair 475604 Air Orifice. This factory original component governs the precise blending of air and gas to deliver the ideal air to fuel ratio needed for clean, efficient combustion. When the orifice functions correctly, it safeguards heater output, fuel economy, and operational stability across a wide range of conditions. Engineered from robust materials

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Wears my Labs out. Fred the yellow lab chooses this pig ear over all his nyla and natural chews out of the toy box all the time. This is the 4th one in his 6 years. They have lasted long and when new are large enough I don’t have to worry about choking. As they get down in size I throw them just as a precaution. The only con I can think of is Fred loves to slam it down on the pergola floor which makes for a very loud clacky sound and it scares the $%^ out of me. He of course thinks it’s funny so he picks it up and continues to do it. As long as he and his brother Willie can chew I will always have these in their toy box.

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Reviewed in the United States on March 14, 2024

Verified Purchase

Debra

Belleville, US

★★★★★ 5

Good for strong chewers

Size: 1 Count (Pack of 1)

Great chew for for my GSDs! They last quite a while too.

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Reviewed in the United States on July 4, 2025

Verified Purchase

Shopper X

Boise, US

★★★★★ 5

Great chew toy for large, tough chewers

Size: 1 Count (Pack of 1)

My dog is a heavy, strong chewer over 100 lbs who will chew this for an hour. It lasts, keeps him occupied and the smell isn’t terrible. Love the large size for a larger dog. Great buy.

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Reviewed in the United States on April 1, 2026