Danfoss 193B-1502 3 Way Valve 30067439-890 the internal sensor or contact

the internal sensor or contact has likely failed

Which furnace models use the 1171734 board

Heavy-Duty Construction: Built to withstand the vibration and temperature fluctuations common in commercial mechanical rooms

Key Benefits ASME Code Compliance: National Board certified for Section IV low-pressure steam applications

000 BTU (Natural Gas) and 200

Danfoss 193B-1502 3 Way Valve 30067439-890 the internal sensor or contactThe Danfoss 193B 1502 is a high performance 3 way mixing valve engineered for precision flow control in hydronic heating and cooling systems. Constructed from DZR brass (Dezincification Resistant), this valve is specifically designed to withstand aggressive water conditions, preventing premature corrosion and ensuring long term seat integrity. With a 3 4" NPT external thread connection and a 7. 3 CV flow coefficient, it provides the necessary capacity