ProMax direct vent residential water heaters feature a one-pipe.dual-channel closed-combustion system that draws all make-up air from outside of the home. GDV-40 40 Gallon Promax Direct Vent Residential Water.
. A. BTH-500A Commercial Tank Type Water Heater Nat Gas 130 Gal Cyclone Xi 499 900 BTU Input High Smith has delivered innovative hot water solutions for over 70 years..
SMIFPTU50 Voltex 50 Gallon Residential Hybrid Electric Heat Pump Water Heater with 6 Year. The FPTU-50 uses heat pump technology to deliver tremendous savings.by generating heat through the heat pump technology instead of the heating elements.