this is the official Amana-Goodman replacement motor for units specifying this part number

Standard configuration is for pump-down applications to prevent flooding

This kit is used with the Series 51

Key Benefits: Direct OEM Fit: Verified replacement for 387210

Enhanced Efficiency: Specifically calibrated to maintain optimal thermal wheel rotation speeds

Armstrong International C5490 Air Vent R-410A this is the official Amana-GoodmanThe Armstrong International C5490 (functionally identical to the TAVB 2) is a high performance stainless steel thermostatic air vent and vacuum breaker designed to optimize steam system efficiency. Engineered for pressures up to 150 PSI, this dual function HVACR component features a 1 2" NPT air vent connection and a 3 8" NPT vacuum breaker inlet. By automatically discharging air and non condensable gases during start up and operation, it prevents