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  5. Vertex™ - Model GDHE-50 - Power Direct ...

Vertex™ - Model GDHE-50 -Power Direct Vent Gallon Gas Water Heater

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The GDHE-50 Vertex  Power Direct Vent gas water heater is designed specifically to generate a constant flow of 4 gallons per minute, resulting in continuous hot water for your home.Featuring a 50-gallon (nominal) tank and a 100,000 BTU gas burner, the GDHE-50 Power Direct Vent delivers a thermal efficiency of 96%, a Uniform Energy Factor of 0.88, and a recovery rate of 129 gallons per hour. It carries a 6-year limited warranty, and meets Ultra-Low NOx emission requirements.

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Helical Coil Heat Exchanger

Spiral heat exchanger keeps hot combustion gases in the tank longer to lengthen the heat transfer cycle. It`s positioned in the center of the tank for more even and efficient heat distribution, which saves money on operating costs compared to a standard gas water heater.


Side-Mounted Recirculating Taps

For installation with combination space heating/potable water heating applications (such as with air handlers) or any system requiring a recirculating hot water loop.


Advanced Electronic Control

Large LCD display; Precise temperature control; Advanced diagnostics; iCOMM Compatable.


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.

Tech Specs


Nominal Capacity: 50
Rated Storage Volume: 49
UEF: 0.88
Maximum BTUs:100,000
Standby Loss BTUs per Hour: 499
Power Source: Natural Gas
Limited Tank Warranty:6 Years
Limited Parts Warranty:6 Years
Anode: Standard Anode
Anode 2: Standard Anode
T&P Relief Valve: Yes
Pilot Reset Button: Yes
Ignition Type: Electronic
Water Connection Location: Top
Water Connection Size: 3/4"
Emissions: Ultra-Low NOx
LEED Rating:1
ENERGY STAR®: Yes
Digital Display: Yes
First Hour Rating:100

Dimensions & Venting


Type: Tall
Height: 66 3/4"
Height w/Draft Hood: 66 3/4"
Diameter: 22"
Width: 22"
Depth: 22"
Vent Type: Power Direct Vent