this centrifugal fan wheel is designed to withstand the high-torque demands of variable speed and multi-speed blower motors without compromising balance

along with specialized White Rodgers and Resideo regulator springs to accurately calibrate the gas valve for natural gas inlet pressures

As a member of the proven ZRK5 series

This motor features an Open Drip Proof (ODP) enclosure

It relies on the airflow from the fan blade to dissipate heat and should not be used in applications where airflow is restricted or a totally enclosed motor is specified

Siemens Combustion SQM50.464R1G3R Actuator 319848-301 this centrifugal fan wheel isThe Siemens SQM50. 464R1G3R Actuator is a high precision reversible motor designed for the positioning of flow control valves, butterfly valves, and dampers in large scale commercial and industrial combustion systems. Engineered for high torque burner control, this unit delivers 140 in lb of torque with a 25 second run time for a 90 degree stroke. It operates on a 4 20mA control signal, allowing for seamless integration into modulating burner control