Built with solid-state logic

combined with a 7-second Trial for Ignition (TFI)

Simplified SPST Control: The Single Pole Single Throw switch configuration streamlines HVAC thermostat wiring for basic heating-only loads

For optimal air elimination

Smith and Lochinvar part ensures internal ignition system components align perfectly with the heat exchanger

Amana-Goodman 20196404 Manifold 319852-301 Built with solid-state logicThe Amana Goodman 20196404 Manifold is a critical OEM replacement part engineered specifically for Goodman and Amana gas furnaces. This five burner cell manifold measures approximately 18 inches in length and serves as the primary distribution hub for fuel delivery to the heat exchanger. By ensuring precise gas pressure and uniform flow across the burner assembly, the 20196404 part directly contributes to optimal combustion efficiency and safe