Ruud High Efficiency Condensing Power Direct Vent Gas Water Heater.

Professional Ultra™ High Efficiency Condensing Power Direct Vent gas water heaters are a perfect choice when indoor air quality is a concern


  • .75 – .83 UEF


  • FHR: 68 – 87 gallons for natural and LP gas, depending on model
  • Recovery: 43.6 to 48.5 GPH at a 90° F rise, depending on model

Self-Diagnostic System

  • Integrated system control for easy installation and service
  • Diagnostic system control can be replaced without draining the water heater

Low Emissions

  • Eco-friendly burner, low NOx design


  • Power direct vents are an ideal choice when either indoor air quality or negative air pressure are concerns
  • Two-pipe system: one pipe pulls in outside air for combustion and the other exhausts combustion gases
  • 120 VAC, 60Hz, induced draft blower
  • New whisper quiet blower

Innovative Technology

  • Proven center flue design with submerged coil type condensing heat exchanger
  • Heat exchanger is porcelain coated inside and out for increased product life

Flammable Vapor Detection System


  • FVIR compliant protective
  • Control system that disables the heater in the presence of flammable vapor accumulation

Flexible Venting Options

  • Long venting lengths up to 60 feet
  • Use 2 or 3 inch diameter PVC, ABS, or CPVC vent pipe options. (In Canada ULC S636 PVC and CPVC must be used.)
  • Vertical or horizontal termination
  • Concentric vent kit available

Longer Life

  • Dual anode rods protect the tank from corrosion

High Altitude Compliant

  • Models are certified for applications up to 9,000 feet above sea level


  • Enhanced-flow brass drain valve
  • Temperature and pressure relief valve included
  • Low lead compliant
  • Durable silicon nitride igniter (HSI)
  • Inlet tube with diffuser enhances heat transfer
  • Front access to condensate trap and vent pipe
  • Condensate neutralizer option
  • Standard replacement parts