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5-inch dial for precise viewing of PSI and Fahrenheit levels
depending on local electrical codes and the specific furnace nameplate data
ensuring consistent impedance and current control
clear viewing window for rapid assessment of refrigerant liquid line status and vapor/liquid transition
Always verify the temperature rating on your existing part before installation
McDonnell & Miller RB-122E Control Els PW 17895 5-inch dial for precise viewingThe 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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