Pentair Switch Membrane for Max-E-Therm & MasterTemp Heaters — Part 42002-0029Z

Pentair Switch Membrane for Max-E-Therm & MasterTemp Heaters — Part 42002-0029Z

Marsoni

M251S

$125.99

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

Pentair Switch Membrane for Max-E-Therm & MasterTemp Heaters — Part 42002-0029ZThe Pentair Switch Membrane 42002 0029Z is a genuine replacement component engineered for Sta Rite Max E Therm and Pentair MasterTemp pool and spa heaters. Functioning as the main user facing interface on the heater control panel, this membrane delivers precise input recognition and seamless navigation through all heater settings. Each button is distinctly labeled and tactile, providing dependable control even after years of regular use. Built to

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Excellent price point, stylish, and the pictures match what you get. The green is bright and vibrant and the gold band looks real although stainless. A great piece to wear all the time without worrying about losing value. Would buy again. My biggest complaint: The small crown do not lock so they get randomly hit and cant be trusted. The time kept is fine but do no expect to be able to lock the days in. The crown wont spin to lock them.

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Reviewed in the United States on October 6, 2025