McDonnell & Miller RB-122E Control Els PW 17895 Always verify the temperature rating

Always verify the temperature rating on your existing part before installation

OEM Standards: Direct York S1-2985-3181 replacement ensures proper fitment without the need for terminal modifications

ensuring consistent impedance and current control

Common Questions Is the White-Rodgers 24A34-4 compatible with 24V thermostats

5-inch dial for precise viewing of PSI and Fahrenheit levels

McDonnell & Miller RB-122E Control Els PW 17895 Always verify the temperature ratingThe 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