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this electric heat sequencer prevents simultaneous high-amperage draws that lead to tripped breakers by staggering the activation of auxiliary heat strips and fan circuits
Reliable Switching: Built to handle the high-amperage startup current of furnace blower motors
ensuring a tight tolerance connection that prevents mechanical hysteresis
making them 100% interchangeable
McDonnell & Miller 310447 Valve 30067439-890 this electric heat sequencer preventsThe McDonnell & Miller 310447, specifically the Model 14 B Blow Down Valve, is a high performance full port ball valve engineered for critical maintenance of hydronic heating systems. Designed as a direct replacement for McDonnell & Miller Series 47, 67, and 70B boiler controls, this 14 B valve facilitates the essential "blow down" procedure required to flush sediment and ensure the reliability of low water cut off mechanisms. Featuring a 3 4" NPT