Amana-Goodman 2921303S Heat Exchanger 318172-701 specifically the Mark 10DX-117 and

specifically the Mark 10DX-117 and 35-72 series boards

Atmospheric Venting: Intermediate vent port protects the potable system by discharging leakage to the atmosphere if the downstream check is fouled

Field diagnostics are streamlined via a single LED status indicator that displays error codes and flame strength

If the circuit is open or shows infinite resistance

Streamlined Installation: Pre-assembled components eliminate the need for complex field calibration between the linear actuator and the valve stem

Amana-Goodman 2921303S Heat Exchanger 318172-701 specifically the Mark 10DX-117 andRestore the efficiency and safety of your furnace with the Amana Goodman 2921303S Heat Exchanger. This high performance 3 Cell OEM Heat Exchanger is a genuine factory authorized replacement designed specifically for Goodman and Amana HVAC systems. Engineered for superior thermal transfer, this part ensures your gas furnace operates at peak fuel efficiency while maintaining strict safety standards. By replacing a cracked or compromised secondary heat