BASO C664BBA-1C Intermit Freon With a 3/4 inch FNPT

With a 3/4 inch FNPT inlet and an oversized 1 inch FNPT outlet

It is typically mounted on the barometric draft control or the draft hood

Engineered specifically for R22 refrigerant circuits

To ensure efficient combustion initiation

this 49L92 pressure switch is frequently used as a factory replacement part for select Armstrong and Ducane HVAC units

BASO C664BBA-1C Intermit Freon With a 3/4 inch FNPTThe BASO C664BBA 1C Intermittent Pilot Ignition Control is a microprocessor based safety module engineered for indirect burner supervision in 24VAC heating systems. This unit is the direct replacement for BG1600M10FM 1AA and G600KX 1, providing a seamless upgrade for legacy controls. Designed for high reliability, it features a 4 second pre purge cycle to clear residual gas and an 8 second trial for ignition (TFI) window to ensure safe pilot