Air Flow Switch Replacement | Pentair | 42001-0061S (Fits MasterTemp Pool Heater)

The Pentair MasterTemp Pool Heater Air Flow Switch (42001-0061S) is a crucial replacement part for MasterTemp pool heaters, ensuring the unit only runs when water is flowing. This thoughtful design helps protect your heater and keeps your pool heating on a reliable schedule.

This water flow switch prevents dry firing, supports consistent heating performance, and contributes to healthier pool maintenance by safeguarding the filtration loop. By confirming adequate flow before ignition, it stabilizes temperature and reduces energy waste over the season.

Genuine Pentair component engineered for compatibility with MasterTemp series, including models that use the 42001-0061S switch. Built for durability and straightforward service, it offers a straightforward replacement process to minimize downtime and keep your system running smoothly.

• Genuine Pentair replacement part for MasterTemp pool heaters
• Verifies water flow before ignition to protect the heater and filtration system
• Easy installation with standard mounting and wiring
• Helps maintain consistent heating and efficient energy use
• Ideal for ongoing pool maintenance and long-term system reliability

Keep your pool warm and ready—add the Pentair MasterTemp Air Flow Switch to cart and safeguard your heater’s performance today.