ECM motors

Industrial Build Quality: Heavy-duty circuitry designed to withstand the thermal stress of continuous-duty air handlers

operating reliably within a pressure range of 5 to 125 PSI

Common Questions & Technical Support What size tubing does the 554435 use

ensuring perfect fitment and proper terminal alignment

Siemens Building Technology 656-0002 Valve 320734-701 ECM motorsThe Siemens Building Technology 656 0002 Valve is a pneumatic radiator valve engineered for precision fluid management in terminal unit applications such as fan coil units, convectors, and reheat coils. This Siemens Powermite 656 series assembly features a 1 2 inch flare connection and operates in a normally open configuration. Designed to handle both hot chilled water and low pressure steam, the 2. 1 Cv flow coefficient ensures consistent performance