The model PBX serves the same applications but utilizes an air source heat pump to heat the incoming water. This type of technology provides efficiencies 2 1Ž2 times the efficiency of electric resistive type water heaters.
The model PBX serves the same applications but utilizes an air source heat pump to heat the incoming water. This type of technology provides efficiencies 2 1Ž2 times the efficiency of electric resistive type water heaters.