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The Johnson Controls A-4000-635 is a high-efficiency 5 SCFM filter element designed for critical air filtration within pneumatic control systems
leak-tight fuel gas shutoff
Engineered for high-efficiency burner management
To prevent damage to the thermal element
Siemens Combustion SQM50.464R1G3R Actuator 320074-702 The Johnson Controls A-4000-635 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
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