Laars Heating Systems R2028200 Flow Switch 318973-401 insufficient pressure differential to shift

insufficient pressure differential to shift the pilot

the trap should be flushed to remove sediment

Does this element include a gasket

This HVAC control board is engineered to maintain electrical integrity under heavy cycling demands

preventing the refrigerant circuit from reversing the heat transfer process

Laars Heating Systems R2028200 Flow Switch 318973-401 insufficient pressure differential to shiftAs a veteran hydronic technician, you know that a failed flow switch can bring an entire commercial or residential system to a grinding halt. The Laars Heating Systems R2028200 Flow Switch is the primary replacement kit engineered to restore safety and functionality to your equipment. Specifically designed as a direct replacement for the obsolete 2400 542, this Laars boiler flow switch assembly ensures the burner doesn't fire without adequate water