Gas Water Heaters can provide an endless supply of hot water on demand because our units activate the second you open the hot water tap.

Premium Condensing Tankless Gas Water Heater (NPE-S)

Unlike the conventional storage tank water heaters that will eventually run out of hot water, Navien’s Condensing Tankless Water Heaters can deliver an endless supply because they only produce hot water when you need it which limits energy and water waste. With a Navien Tankless Water Heater, you will never have to worry about running out of hot water no matter how much you use at a single time.

Premium Condensing Tankless Gas Water Heater (NPE-A)


A. O. Smith’s ProLine water heaters are both efficient and reliable. Our residential products are built with the same technology and care as our industry-leading commercial line. They’ve been thoroughly tested in our labs to ensure that they last, and that means peace of mind for you and your family.


  • Through-the-wall or through-the-roof venting up to 180-ft away with 4-in vent
  • Vent pipe can be PVC, ABS, or CPVC
  • Top water connections
  • Vent diameter can be 3-in or 4-in
  • Self cleaning dip tube
  • Electronic gas valve/LED display status and diagnostics

ProLine® Master Atmospheric Vent Gas Water Heater

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” from the outside wall with no electrical power needed.

Featuring a 50-gallon (nominal) tank and a 40,000 BTU gas burner, the GDV-50 Direct Vent delivers a first hour rating of 77 gallons and a recovery rate of 43 gallons per hour. With an 0.66 Uniform Energy Factor, this water heater is not ENERGY STAR® qualified. It carries a 6-year limited tank warranty, and meets Low NOx emission requirements.


A proven performer with ten years of laboratory testing and field trials including nine winters in the extreme cold, the John Wood Direct Vent operates quietly with no need for an electric fan or external power supply. The balanced flue design with a side wall vent termination allows installation in locations without a chimney. The sealed combustion chamber and coaxial vent uses fresh air taken from outside rather than pre-heated air from within the home.

ProLine® Direct Vent Gas Water Heaters

  • ProLine® models are residential water heaters with commercial-grade quality
  • Thermopile system provides a robust pilot to withstand environmental conditions such as down drafts
  • Suitable for closet installations due to direct-vent design not requiring an external power supply or chimney
  • Sealed combustion chamber design, eliminating the need for a flammable vapour sensor
  • 50 USG high input model available for combination applications
  • 3/4” side taps available on 50 USG high input model for combination applications
  • LED indicator gives visual confirmation that the pilot is on, and provides diagnostics and troubleshooting information
  • Glass lining provides superior protection against tank corrosion
  • Top-mounted heavy-duty anode rod for added tank protection
  • Maintenance is simple with an easy-to-access combustion chamber and conveniently located drain valve