Pentair/Sta-Rite Maxetherm Manifold 400,000 BTU (P/N: 77707-0016)
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Fits the Sta-Rite Maxetherm heater 400k btu model
Bolted to the side of the combustion chamber.
The manifold provides the connections for inlet and outlet water.
It houses the thermal regulator, internal bypass valve, psi switch, ags switch, hi-limit switch, thermistor and psi relief valve.