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

Marsoni M251S
Sale price$125.99
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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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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 894 reviews
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J
Verified Purchase
Jwick
Fort Morgan, US
★★★★★ 5
Good product
Works as should and shows correct voltage.. double checked with several multi meters. And has been running my 4000, watt amp for almost 6 months now with no problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
C
Verified Purchase
chris
Battle Creek, US
★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
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Reviewed in the United States on April 16, 2026
C
Verified Purchase
Cliente de Amazon
Waukegan, US
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
I
Verified Purchase
Ivan Santana
Houston, US
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
V
Verified Purchase
Very slowly shipping 20 days to California
Pawtucket, US
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025

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