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Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
Pentair 42002-0029Z Switch Membrane | Max-E-Therm & MasterTemp
Fits these models (3)
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CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
On the Pentair MasterTemp 125 461059 Heater diagram
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Other parts on the same Pentair MasterTemp 125 461059 Heater
The Pentair 42002-0029Z Switch Membrane is an OEM replacement designed for Sta-Rite Max-E-Therm and Pentair MasterTemp heaters, providing dependable control panel operation. Acting as the main interface, it allows pool owners to adjust settings quickly and accurately using its responsive and clearly marked buttons. Built with durable materials, this membrane is made to endure outdoor exposure and the demands of regular use. Since Pentair manufactures both the Max-E-Therm and MasterTemp lines, this part also cross-references as Pentair 472610Z, making it a versatile option for multiple heater models. Easy to install with its secure attachment design, the switch membrane is an essential replacement that restores heater usability and preserves safe, efficient operation.
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OEM Replacement Membrane: Designed for Max-E-Therm and MasterTemp heaters, providing factory-standard fit and performance.
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User-Friendly Interface: Equipped with clear, responsive buttons for accurate input and straightforward heater operation.
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Interchangeable Part Numbers: Functions as Pentair 472610Z or Sta-Rite 42002-0029Z, giving compatibility across two major heater series.
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Reliable Construction: Built to withstand outdoor use and consistent interaction, ensuring lasting durability and performance.
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Easy to Install: Simple attachment system makes installation quick, reducing downtime and restoring control panel function.
- (1) Pentair 42002-0029Z Switch Membrane
- Pentair Sta-Rite Max-E-Therm Heaters
- Pentair MasterTemp Heaters
Note: Pentair part 472610Z and Sta-Rite part 42002-0029Z are identical components. Although one is labeled under Pentair (for MasterTemp heaters) and the other under Sta-Rite (for Max-E-Therm heaters), they are the same part in both form and function. Most replacement parts for Max-E-Therm and MasterTemp heaters are fully interchangeable, as both brands are manufactured by Pentair and share the same internal design and components.
