it is suitable for low-pressure steam lines

the auxiliary contact opens to shut off the heater

maintaining the BTU input and gas-to-air mixture integrity required for peak furnace performance

Does this include the Low Water Cut-Off

Loud humming usually indicates dirt in the magnet assembly or low voltage from the 24V transformer

Johnson Controls DMPR-KC251 Mounting Bracket it is suitable for low-pressureThe Johnson Controls DMPR KC251 is a robust universal mounting bracket engineered for high performance damper control applications. Designed specifically for the mechanical contractor and HVAC technician, this heavy duty steel bracket provides a stable platform for mounting damper actuators on Johnson Controls CD 1300 series dampers and other compatible frames. It supports a wide range of drive configurations, facilitating the installation of both