McDonnell & Miller RB-122E Control Els PW 17895 Built with a helicoil insert

Built with a helicoil insert

essential for sensitive pneumatic control strings

this is the shaft only

Often used as a furnace draft inducer switch or for static pressure monitoring

McDonnell & Miller RB-122E Control Els PW 17895 Built with a helicoil insertThe 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