Pentair ETI 400 Gas Heater Water Bypass Assembly — Part 475621

Pentair ETI 400 Gas Heater Water Bypass Assembly — Part 475621

Marsoni

M251S

$79.99

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

Pentair ETI 400 Gas Heater Water Bypass Assembly — Part 475621Protect your Pentair ETI 400 gas heater from excessive water flow with the genuine Water Bypass Assembly, part number 475621. This safety critical component is required whenever the water flow rate through the heater exceeds the maximum 120 GPM threshold. Once the manual bypass valve is installed, you can fine tune it to bring flow within the heater's safe operating range, preventing internal damage from overpressure. Designed exclusively for the

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The wife struggles with socks. She only like the Nike ones, then they discontinued them, so had to start the search again! Found these, they are expensive just like the Nike, but the size is true, they look great, they are super soft and stretchy. They are light weight and breathable and seem to wick away moisture. She loves these!

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Reviewed in the United States on November 18, 2025

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Lisa Ryan

Belleville, US

★★★★★ 5

Great product

Color: Black, Size: 4 Panel-88''

Literally exactly what I was needing

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Reviewed in the United States on May 1, 2026

Verified Purchase