Ranco P30-3701 Oil Control Freon If your furnace blower runs

If your furnace blower runs constantly or the burners shut off before the thermostat is satisfied

it provides a consistent

Designed as a 3-wire differential pressure sensor

This Type BN steam coil is cross-compatible and identical to the Danfoss 032K140902

Ranco P30-3701 Oil Control Freon If your furnace blower runsThe Ranco P30 3701 is a commercial grade lube oil protection control designed to prevent catastrophic compressor failure and bearing damage in pressure lubricated refrigeration systems. Engineered with a built in 90 second time delay, this mechanical oil pressure switch monitors the differential between the oil pump outlet and the crankcase pressure. If the effective oil pressure drops below the setpoint, the S30 time delay module initiates a