42002-0029Z | Pentair Switch Membrane For Max-E-Therm & MasterTemp

The Pentair Switch Membrane 42002-0029Z is an OEM replacement part engineered for Sta-Rite Max-E-Therm and Pentair MasterTemp pool and spa heaters. Serving as the primary user interface on the heater’s control panel, this membrane ensures accurate input and smooth functionality of all settings. The buttons are clearly marked, responsive, and designed to provide reliable control even under frequent use. Built to OEM Pentair standards, it offers long-lasting durability and precise compatibility with supported models. Installation is straightforward thanks to its secure attachment design, allowing homeowners or technicians to restore heater operation quickly and effectively. By replacing a worn or unresponsive switch membrane, you can maintain safe, efficient heater performance and extend the life of the control system.

Highlights

• OEM Control Panel Part: Specifically designed for Max-E-Therm and MasterTemp heaters, ensuring precise compatibility and reliable user operation.

• Responsive Button Design: Features clearly labeled, easy-to-use buttons that deliver accurate control over heater functions and temperature settings.

• Dual Compatibility: Works interchangeably as Pentair 472610Z or Sta-Rite 42002-0029Z, supporting both MasterTemp and Max-E-Therm heater models.

• Durability Built-In: Manufactured to OEM Pentair quality, this membrane withstands outdoor conditions and repeated use without losing responsiveness.

• Simple Installation: Attaches easily to the existing control panel, making it a convenient replacement that restores system functionality.

Includes

• (1) Pentair 42002-0029Z Switch Membrane 

Compatibility

• 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.

Additional Info

Need help with the Pentair Switch Membrane 42002-0029Z? This section covers installation, control panel issues, and in-store availability for Sta-Rite Max-E-Therm and MasterTemp heaters.

Installing the 42002-0029Z Membrane

This replacement switch membrane restores control panel responsiveness, making heater adjustments smooth and reliable.

How do I install the Pentair 42002-0029Z switch membrane on a Max-E-Therm heater?

Can I buy the switch membrane in store for same-day repair?

Do I need adhesive or extra tools when installing this membrane locally?

Troubleshooting Control Panel Problems

A worn membrane can cause unresponsive or faded buttons. Replacing it restores easy heater control.

Will the 42002-0029Z membrane fix unresponsive buttons on my control panel?

What should I do if my heater display works but the buttons do not respond?

Can I walk into Discount Pool Mart and compare this membrane to my old one?

Confirming the Correct Part In Store

Checking compatibility avoids wasted trips and ensures smooth installation.

How do I confirm in store that 42002-0029Z fits my Max-E-Therm model?

Is the Pentair switch membrane available at Discount Pool Mart for pickup?

Can I bring in my old part to confirm it matches the 42002-0029Z?

Diagram