This 14-inch round damper features a heavy-duty 24-gauge galvanized steel shell with a crimped male end and a straight female end

It is primarily compatible with brands such as Heil

Designed to withstand the rigorous duty cycles of telecommunications shelters and modular classrooms

0 Amp gas valve rating at 12VDC

Armstrong Fluid Technology 810120-003 Coupler 320074-702 This 14-inch round damper featuresThe 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