Pentair/Sta-Rite Maxetherm Pressure Switch (P/N: 42001-0060S)
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Fits the Sta-Rite Maxetherm heater.
Located on top of the manifold.
Permits the burner to fire only when there is enough water flow through the heater to alow normal operation. It opens when water flow to the heater is sufficient.
Comes with relay and stake connectors.
1/8 inch NPT