Enhanced Sealing: Equipped with premium Buna-N valve seats to ensure bubble-tight shut-off and prevent hazardous gas leaks

making it a versatile addition to any service truck's inventory for immediate HVAC repair and maintenance

When performing a retrofit or oil top-off

Common Questions Are these adapters compatible with other brands of zone valves

it begins transmitting the 0-10V signal proportional to the detected CO2 levels

Siemens Combustion SQM56.680R1Z3 Actuator 319848-301 Enhanced Sealing: Equipped with premiumThe Siemens Combustion SQM56. 680R1Z3 Actuator is a high torque, precision engineered industrial motor designed for the rigorous demands of flow control and burner modulation. Operating on a 120V AC power supply, this reversing actuator delivers a robust 350 lb in torque (40 Nm) with a 50 second running time for a full 90 degree rotational travel. Engineered as a motor only assembly (8SwitchNoShaft), it requires a separate AGA58 series drive shaft to