A.O. Smith
A.O. Smith® ProMax® 100210113 GDV-40 40 Gallon Gas Water Heater, 38000 Btu/hr Heating, Natural Gas Fuel, Zinc Anode Rod, Atmospheric Vent, Tall
Sign In to View Pricing & Availability
- The FVIR-compliant ProLine® Direct Vent gas water heater is to designed to draw air from outside the home, eliminating problems caused by insufficient indoor ventilation. The unit has horizontal air intake and venting on all models up to 80 in from the outside wall with no electrical power needed.
Looking for model-specific repair or replacement parts? Enter the unit’s serial number into the A.O. Smith Parts Finder.
A.O Smith® ProMax® Gas Water Heater, Series: GDV-40, 38000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 40 gal Tank, Piezo Pushbutton Ignition, Direct Vent, 41 gph at 90 deg F Recovery, Energy Factor: 0.63, 3/4 in MNPT Water Connection, 150 psi, Tall or Short: Tall, Ultra Low Nox: No, 22 in Dia x 64 in H
- Direct vent design one-pipe, dual-channel draws all make-up air from outside the home, eliminating problems caused by insufficient indoor ventilation, all units are FVIR compliant
- Horizontal air intake and venting on all models up to 80 in from outside wall with no electrical power needed
- Intelligent control logic - The internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response to optimize performance
- Uses a thermopile to generate the power needed to operates the electronic gas control without requiring an external power source
- The electronic gas control incorporates an LED status indicator that monitors system operation and service diagnostics
- Green Choice® gas burner - Patented "Eco-Friendly" design reduces NOx emissions by up to 33% and complies with low- NOx emission requirements of less than 40 ng/J
- Dynaclean™ diffuser dip tube - Helps reduce lime and sediment build up and maximizes hot water output, made from long-lasting PEX cross-linked polymer
- Coregard™ anode rod - Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection for longer than standard anode rods
- Pushbutton piezo ignitor makes lighting the pilot fast and easy with one-hand pushbutton spark ignition
- Heat trap nipples Factory installed for faster installation
- Enhanced-flow brass drain valve - Our residential water heaters have a solid brass, tamper resistant, enhanced-flow, ball type, drain valve
- Uses a standard female hose fitting that allows for fast and easy draining during maintenance
- Designed for easy operation, this valve includes an integral screwdriver slot that features a 1/4 turn (open/close) radius, which not only permits full straight-through water flow but also a quick and positive shut off
- Certified for sea level to 7700 ft elevation
- Heating Capacity38,000 Btu/hrRecovery Rate41 gph at 90 deg FTall or ShortTallTank Capacity40 galVent TypeAtmospheric VentDimensions22 in Dia x 64 in HManufacturerA.O. SmithManufacturer #100210113Pressure Rating150 psiSeriesGDV-40