The WeatherKing 13PJA is a discontinued single-stage heat pump with efficiency ratings of 13 SEER and 7.7 HSPF. The unit featured copper tubing and enhanced aluminum fin coils. It was also equipped with expansion valves with an internal check valve, demand defrost control and a non-cycling reversing valve. A grille/motor mount helped to lower fan operation noise levels, while service valves and an accessible control box provided easy installation and serviceability.
Questions about this model?