The DPDT (Double Pole Double Throw) configuration provides two sets of power-rated contacts

For contractors performing furnace repair or routine HVAC system diagnostics

A primary indicator for technicians is a "humming" motor that fails to start

The captured seal allows you to attach a manometer hose directly to measure the static or flow pressure of the gas line

Specifically designed for the Reznor FE130-400 series

Weil McLain 512-200-078 Burner The DPDT (Double Pole DoubleMaintain peak combustion efficiency with the Weil McLain 512 200 078 Burner, a precision engineered stainless steel burner tube designed for high performance gas fired residential and commercial boilers. This OEM component features an integrated pilot bracket to ensure stable flame sensing and reliable ignition cycles, minimizing nuisance lockouts in the field. Built from high grade corrosion resistant stainless steel, this replacement burner tube is