Pay in 4 interest-free payments of $32.28 Learn more
Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
steam space heating
Why did my previous module fail
This dual-rated component operates at 208/240V
Low Sound Power Levels: The scroll geometry reduces mechanical discharge pulses compared to reciprocating alternatives
some technical bulletins suggest it is optimized for split systems
Armstrong Fluid Technology 810120-003 Coupler 321894-706 steam space heatingThe Armstrong Fluid Technology 810120 003 Coupler is a precision engineered OEM replacement part designed for high performance hydronic systems. Specifically manufactured for Armstrong H 51 and H 52 circulator pumps, this four spring type coupler facilitates efficient power transfer between the motor and the bearing assembly. Featuring a 1 2 inch x 1 2 inch shaft size and a robust cast iron construction, it is built to withstand the rigorous demands