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OEM Standards: Direct York S1-2985-3181 replacement ensures proper fitment without the need for terminal modifications
always verify the refrigerant code on the valve body to match your system's R-number and temperature range
Always verify the temperature rating on your existing part before installation
ensuring consistent impedance and current control
McDonnell & Miller RB-122E Control Els PW 17895 OEM Standards: Direct York S1-2985-3181The 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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