The S97013576 is the official OEM replacement vent cover for the 684NT

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

Key Benefits: Precise Superheat Control: Maintains steady evaporator exit temperatures to maximize system efficiency and heat transfer

Engineered with a NEMA 4X enclosure

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

Greenheck 386410 Control Board 320788-702 The S97013576 is the officialThe 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