Consistent fin spacing ensures uniform air distribution across evaporator or condenser coils

40" (6mm to 10mm)

and blower motors

Simplified Installation: Features a 19-inch lead length and pre-stripped ends or plug-in connectors to reduce time on the job site

Engineered for compatibility with high-capacity Aaon rooftop units and chillers

McDonnell & Miller RB-122E Control 30067439-890 Consistent fin spacing ensures uniformThe 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