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24V - 12V ac and dc (not available for all sizes)
this valve type is normally closed for continuous and cyclic operation
The differential pressure switch LG3A4 is an adjustable differential pressure switch as per EN 1854 for automatic burner controls
manual control forward/reverse toggle switch
Compatible with flame rods and UV scanners
Siemens SQN31.252A1700 Damper Actuator application_combustion_control 24V - 12V ac andThe SQN31 is an electromotoric actuator for use with air dampers and control valves of oil or gas burners of small to medium capacity. Actuators are designed for driving gas or air dampers of oil or gas burners of small to medium capacity, or for load dependent control of the fuel or combustion air volume. SQN31. 252A1700 Features Made of impact proof and heat resistant plastic The housing accommodates: The reversible synchronous motor with gear
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