Ensure the blower pulley alignment is checked with a laser or straight-edge tool

physical bulging of the casing

Key Benefits: Dual-Tap Flexibility: Native support for 460V to 24V and 575V to 24V conversions

allowing for flexible remote sensing in boilers

this kit provides the technical reliability required for critical pressure drop monitoring

McDonnell & Miller RB-122E Control 30067439-890 Ensure the blower pulley alignmentThe 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