Amana-Goodman 20196404 Manifold 320788-702 which often indicates a failed

which often indicates a failed thermal switch

the module will lockout and requires a manual reset via the thermostat or power cycle

this HVAC head pressure switch functions within a pre-set operating range of 170 to 230 PSIG

and Honeywell IS20151-3439

Amana-Goodman 20196404 Manifold 320788-702 which often indicates a failedThe 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