Pay in 4 interest-free payments of $41.06 Learn more
Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
The Armstrong Furnace R44957-001 Control is a critical OEM replacement ignition blower control designed to manage the combustion and air circulation cycles in high-efficiency heating systems
Featuring a 24-inch diameter and a specific 27-degree pitch
allowing technicians to perform essential preventative maintenance without the expense of a full valve replacement
ensuring the system operates within safe parameters
Standardized 170°F Open / 140°F Close calibration for accurate system protection
Siemens Building Technology GRD221.1U Actuator 322838-753 The Armstrong Furnace R44957-001 ControlThe Siemens Building Technology GRD221. 1U Actuator is a specialized 120V fire and smoke damper actuator designed for critical life safety HVACR applications. As a veteran grade two position spring return actuator, it delivers 30 lb in of torque, ensuring reliable open close operation for smoke control and combination fire smoke dampers. Built to exceed the rigors of UL555 and UL555S standards, this unit provides a nominal 30 second drive time and a
US$ 130.50
US$ 153.25
US$ 1270.00
US$ 1712.50
US$ 1375.00
US$ 1512.50
US$ 1162.50
US$ 1562.50
