This 1/2 NPT water gauge is rated for a maximum working pressure of 400 PSI at ambient temperatures (100°F) and 200 PSI for saturated steam applications up to 400°F

" or shows a resistance value that does not match the ambient temperature

F for accurate thermal response

Efficient Retrofitting: Allows for quick sensor replacement without draining the system or replacing the entire well

Manual Reset Safety: High-pressure manual reset ensures manual intervention after extreme discharge pressure events

Utica-Dunkirk 240006939 Vent Damper 30067439-890 This 1/2 NPT water gaugeThe Utica Dunkirk 240006939 is a 7 inch automatic vent damper engineered for gas fired atmospheric boilers and furnaces to prevent standby heat loss. This electro mechanical flue damper utilizes a 24VAC synchronous motor and a specialized damper blade actuator to seal the venting system when the burner is off, effectively maintaining boiler water temperature and improving Seasonal Energy Efficiency Ratio (SEER) ratings. Designed as a direct OEM