a Section I or Section VIII "V" or "UV" stamped valve is required

this switch functions as a primary safety interlock

When replacing a gas furnace pilot sensor

121L2297 is the cross for 120U2297

Siemens Combustion SQM56.667R1G3 Actuator Refrigerant a Section I or SectionThe Siemens Combustion SQM56. 667R1G3 Actuator is an ultra high torque reversing actuator specifically engineered for high precision control of air dampers, gas valves, and butterfly valves in industrial burner applications. Delivering a robust 400 lb in torque (45 Nm), this heavy duty unit ensures reliable rotary motion even under high load conditions where precise positioning is non negotiable. Operating on a 120V AC power supply, it utilizes a