Pentair MasterTemp Pressure Switch (42001-0060S) bluwater Valves in this style are

Valves in this style are useful when you need a direct mechanical way to isolate a section of plumbing for service or flow management

3-piece design supports better serviceability

or no longer providing the alignment and drive relationship the assembly depends on

Center-port design supports intended fit and function

Pentair MasterTemp Pressure Switch (42001-0060S) bluwater Valves in this style areBuilt for the application shown, this MasterTemp Pressure Switch supports a cleaner, more reliable repair when the existing component is cracked, worn, heat damaged, or no longer operating correctly. It is monitors water pressure or flow conditions so the heater can confirm safe operation before firing. A faulty switch may prevent ignition, create intermittent heater shutdowns, or trigger service codes even when the circulation system is operating