ProLine XE Ultra-Low NOx Power Vent 50-Gallon Gas Water Heater

The ProLine® XE Ultra-Low NOx gas water heater delivers an efficient, reliable performance and features an innovative design that protects against accidental ignition of flammable vapors..

Featuring a 50-gallon (nominal) tank and a 42,000 BTU gas burner, the GPNH-50 Power Vent delivers a first hour rating of 81 gallons and a recovery rate of 42.6 gallons per hour. With an 0.65 Uniform Energy Factor, this water heater is ENERGY STAR® qualified. It carries a 6-year limited warranty, and meets Ultra-Low NOx emission requirements.

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  • DynaClean™ Dip Tube
  • Helps reduce lime and sediment buildup, maximizes hot water output. Made from long-lasting PEX cross-linked polymer.
  • CoreGard™ Anode Rod
  • A. O. Smith’s anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods.
  • Brass Drain Valve
  • • Solid brass, tamper resistant, enhanced-flow, ball type, valve.
  • • Uses a standard female hose fitting that allows for fast and easy draining during maintenance.
  • • Screwdriver slot features a 1/4 turn radius, for straight-through water flow and a quick and positive shut off.
  • T&P Relief Valve
  • Top-mounted T&P relief valve available as an option.
  • Tech Specs
  • Nominal Capacity: ? 50
  • Rated Storage Volume ? 48
  • UEF 0.65
  • Maximum BTUs: 42,000
  • Power Source: Natural Gas
  • Limited Tank Warranty: 6 Years
  • Limited Parts Warranty: 6 Years
  • Anode: Coregard Aluminum Anode
  • T&P Relief Valve: Yes
  • Pilot Reset Button: Yes
  • Water Connection Location: Top
  • Water Connection Size: 3/4"
  • Emissions: Ultra-Low NOx
  • LEED Rating: 1
  • ENERGY STAR® Certified: Yes
  • FVIR Certified: Yes
  • First Hour Rating: 71
  • Dimensions & Venting
  • Type: Tall
  • Height: 57 7/16"
  • Height w/Draft Hood: 66 7/8"
  • Diameter: 22"
  • Width: 22"
  • Depth: 22"
  • Vent Type: Power Vent