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

Designed as a 3-wire differential pressure sensor

potentially leading to leaks or improper clearance

the AM-1 series provides a dependable solution for point-of-source temperature regulation and maximizing usable hot water tank capacity

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