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Rosewood paper grain — description and returns beneath the overlapping buy card.
modulating dampers
Common indicators include a furnace that clicks but fails to light
Designed for high-pressure HVACR system reliability
this genuine direct-drive motor ensures the mounting hardware matches factory specifications for a seamless drop-in installation
this harness eliminates high-resistance connections and signal dropouts that often lead to nuisance lockouts
Siemens Combustion SQM50.481R1Z4R Actuator 318423-701 modulating dampersThe Siemens SQM50. 481R1Z4R is a high precision 120v reversing actuator engineered for the demanding requirements of industrial and commercial burner controls. Operating on a 110 120V AC supply at 50 60Hz, this modulating damper motor provides a robust 140 in lb (15 Nm) torque, making it ideal for the accurate positioning of air and gas dampers, flow control valves, and butterfly valves. This model is factory configured for clockwise (CW) rotation and