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A.O. Smith ProMax® Direct-Vent Water Heater

Direct-Vent Design

  • One-pipe, dual-channel closed system draws all make-up air from outside the home, eliminating problems caused by insufficient indoor ventilation and is FVIR compliant.
  • Horizontal air intake and venting on all models up to 80 inches from outside wall with no electrical power needed.

Dynaclean™ Diffuser Dip Tube

  • Helps reduce lime and sediment buildup, maximizes hot water output.
  • Made from long-lasting PEX cross-linked polymer.

Green Choice® Gas Burner

  • Patented “Eco-Friendly” design reduces NOx emissions up to 33% and complies with requirements for less than 40ng/j for low NOx.

Push Button Piezo Ignitor

  • Makes lighting pilot fast and easy with one hand push button spark ignition.

Heat Trap Nipples

  • Factory-installed.

Durable Tamper-Resistant Brass Drain Valve Permaglas® Glass Coating

  • Protects steel tank from buildup.

CSA Certified and ASME Rated T&P Relief Valve

Six Year Limited Tank & Parts Warranty

Code Compliance

  • UBC, CEC, SBCC, HUD and BOCA National Codes. Meets or exceeds the thermal efficiency and standby loss requirements of the U.S. Department of Energy and current edition of ASHRAE/IESNA 90.1.
  • Meets or exceeds the Federal Energy Efficiency Standards effective January 20, 2004, according to the National Appliance Energy Conservation Act (NAECA) of 1992.

Design-Certified by CSA International

  • According to ANSI Z21.10.1– CSA 4.1 Standards governing storage-type water heaters.

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Lead times vary, depending on the unit. Please contact us for questions about product availability.

Place Order*

GDV-40 NG ProMax Direct-Vent Water Heater
40 Gallon, 38,000 BTU, Natural Gas
GDV-40 LP ProMax Direct-Vent Water Heater
40 Gallon, 38,000 BTU, Propane
GDV-50 NG ProMax Direct-Vent Water Heater
50 Gallon, 42,000 BTU, Natural Gas
GDV-75 NG ProMax Direct-Vent Water Heater
75 Gallon, 55,000 BTU, Natural Gas
GDV-75 LP ProMax Direct-Vent Water Heater
75 Gallon, 55,000 BTU, Propane
GDVT-50 NG ProMax Direct-Vent Water Heater
50 Gallon, 50,000 BTU, Natural Gas
GDVT-50 LP ProMax Direct-Vent Water Heater
50 Gallon, 50,000 BTU, Propane

*IMPORTANT: By purchasing this boiler from JupiterHeating.com, the customer is agreeing that the unit will be installed by a licensed, professional heating contractor; that the customer and installer will follow all local zoning regulations, as well as all manufacturer's installation instructions, policies, and warranty requirements; and that the customer has read and understood JupiterHeating.com's Terms of Sale.

Shipping for unit is $200 to anywhere in the continental United States (multiple units are shipped at no additional charge). The rate is based on residential delivery with a liftgate. This unit is strapped onto a pallet and shipped via LTL to minimize risk of shipping damage. Shipping savings may by possible for commercial delivery, or for not needing a liftgate. Contact Us for a custom shipping quote if any of those situations apply, or if you are located outside the continental United States.