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this unit provides the necessary wattage to stabilize suction line pressures and maintain optimal viscous properties of the compressor oil
Often used as a furnace draft inducer switch or for static pressure monitoring
Veteran techs will recognize this as the standard specification for various Heil
this is the shaft only
essential for sensitive pneumatic control strings
McDonnell & Miller RB-122E Control Els PW 17895 this unit provides the necessaryThe McDonnell & Miller RB 122E (Part Number 144676) is a heavy duty conductance type low water cut off designed specifically for residential and light commercial hot water boilers. As a veteran preferred electronic LWCO, it features a 120VAC power requirement and a 3 4" NPT connection, making it high performance protection against dry firing. This unit includes a patented self cleaning probe that reduces scale build upa common failure point in
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