Mastertemp water pressure switch 42001-0060S

Genuine Pentair 42001-0060S Water Pressure Switch Replacement for MasterTemp & Max-E-Therm Heaters

Ensure the safe and efficient operation of your pool or spa heater with the genuine OEM Pentair 42001-0060S Water Pressure Switch. This essential safety component is universally compatible with all Pentair MasterTemp and Sta-Rite Max-E-Therm heaters (including 125, 250, 300, 400 BTU models). The pressure switch verifies that adequate water flow is present before allowing the ignition sequence to begin, protecting the heat exchanger from overheating damage. A faulty switch often results in a "Service Heater," "SF," or "FLO" error code. This durable replacement part restores proper function and peace of mind to your pool heating system.

Key Features

• Essential Safety & Flow Detection: Acts as a vital safety interlock, ensuring sufficient water flow through the heater before activating the gas valve and ignition system.
• Wide Compatibility: A genuine replacement part compatible with most Pentair MasterTemp and Sta-Rite Max-E-Therm heaters (all BTU models, both natural gas and propane versions).
• Durable Construction: Built with rugged materials designed to withstand pool and spa water environments for reliable, long-lasting performance.
• OEM Quality: A genuine factory-authorized Pentair/Zodiac replacement part engineered for an exact fit and dependable function.
• Diagnostic Solution: A common replacement item when the heater displays "SF" (Service Flow), "FLO" (Flow), or general heater error codes related to water circulation.
• Easy Installation: Features a standard thread-mount design and electrical spade connectors for quick and hassle-free replacement, suitable for maintenance professionals and DIY users.
• Prevents Dry Firing: Crucial for preventing "dry firing" or overheating events that can cause catastrophic failure to the heater's heat exchanger.