As a member of the proven ZRK5 series

This industrial drive belt is oil and heat resistant

This automatic reset LWCO protects the heat exchanger by interrupting the burner circuit immediately upon detecting an unsafe water level

This valve operates with a standard 0

This motor features an Open Drip Proof (ODP) enclosure

Siemens Combustion SQM50.464R1G3R Actuator 319848-301 As a member of theThe 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