Ontario Energy Group

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Atmospheric Vent Model

UG30 – UG40 – UG50- UG60

These high performance atmospheric vent gas water heaters are specially designed to prevent the ignition of flammable vapors such as aerosol sprays, cleaning solvents, gasoline, paints, paint thinner, and thinner lacquer, outside of the water heater.


They are available in 30, 40, 50 and 60 US gallon capacities for both natural and propane gas and feature:

  • Thick uniform blanket of GREENFOAM® – Water Blown Foam Insulation eco-friendly insulation
  • Inner tank lined with blue cobalt glass enriched with Zircon
  • Stainless steel flame arrestor
  • Resettable thermal cutoff
  • Low NOx burner
  • Patented POWER TWIST® baffle*
  • Automatic temperature control
  • Roll-around base
  • Factory installed di-electric nipples
  • Factory installed temperature and pressure relief valve
  • High quality magnesium anode
  • Tamper resistant one-piece brass drain valve
  • Maintenance free operation