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Ensures accurate seating and pressure differential in 1/2" dual check valves
the TS121 ensures the discharge airstream stays within the operator's set point
or the differential between two pressure sources
Why is a specific conversion kit needed instead of just adjusting the gas valve
substituting it with a single-stage switch will prevent the furnace from modulating correctly and will likely trigger a control board lockout
McDonnell & Miller WFE-120V Water Feeder THPU32HP7Y Ensures accurate seating and pressureThe McDonnell & Miller WFE 120V Water Feeder (Part Number 169560) is a heavy duty 120Vac electronic water feeder designed for professional grade steam boiler and hot water boiler management. Engineered as a universal Uni Match feeder, this unit integrates seamlessly with both probe type and float type low water cut offs (LWCO). It is a critical component for maintaining a safe water level, effectively preventing dry fire conditions by monitoring the