Heater Switch Membrane | Pentair | 42002-0029Z | For Max-E-Therm | (Fits Max-E-Therm Heater)

Pentair Max-E-Therm Heater Switch Membrane is essential for maintaining healthy pool water by ensuring reliable water circulation through your heater. The 42002-0029Z membrane regulates the heater switch in Pentair's Max-E-Therm systems, supporting consistent flow and accurate heating performance.

• Restores reliable water circulation through the heater for consistent filtration and clean water.
• Durable membrane designed to withstand pool environments for long-term reliability.
• Simple replacement to address heater switch failures, reducing downtime and maintenance calls.
• Compatible with Pentair Max-E-Therm systems (42002-0029Z) and serves as a trusted pool heater replacement part.
• Supports efficient heating by maintaining steady flow, helping your system reach target temperatures faster.

If your heater isn’t turning on consistently or you notice uneven heating, a worn membrane may be the culprit. Replacing with the Pentair Max-E-Therm Heater Switch Membrane helps restore proper flow, reduces stress on the pump, and extends the life of your heater.

Add to cart today to keep your pool system running smoothly, maintain clean water, and enjoy reliable warmth all season.