This dual pressure switch is designed to communicate two distinct pressure states to the control board

Rigorous Quality Standards: Undergoes extensive testing to maintain the structural integrity required for combustion gas removal and system safety

Engineered with a NEMA 4X enclosure

Use a flathead screwdriver to align the arrow with your motor's full-load amperage (FLA) within the 5

the galvanized steel housing protects the internal wiring connections from physical impact and provides a more secure anchor point for conduit fittings

Greenheck 386410 Control Board 320788-702 This dual pressure switch isThe Greenheck 386410 Control Board is a high precision, OEM replacement ignition module designed for 24V DG (Direct Gas) Pilot systems. Engineering as a direct drop in for the C662D9A 2D, this board manages the critical timing and sequencing of HVAC ignition cycles to ensure safe and efficient gas fired heating. For veteran technicians, this module provides a reliable solution for units exhibiting erratic firing, intermittent pilot failure, or "no