Product Details
 
 
The Vertex™ 75-Gallon Ultra-Low NOx Power Direct Vent Natural Gas Water Heater offers unprecedented levels of performance to meet your hot water needs. Featuring a 75-gallon (nominal) tank and an AiQ - Adaptive Gas Technology allows you to select Natural Gas or Liquid Propane during installation, the HDHE-75 400 series Power Direct Vent delivers a thermal efficiency of 96%, a Uniform Energy Factor of 0.86, and a recovery rate of 150 gallons per hour. It carries a 8-year limited warranty, and meets Ultra-Low NOx emission requirements. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This Vertex™ water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel CoreGard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standards and are only available for purchase through professional wholesalers and contractors.
ENERGY STAR® certified power direct vent design delivers up to 0.86 Uniform Energy Factor (96% Thermal Efficiency)
Delivers 150-gallon first hour rating
AiQ - Adaptive Gas Technology allows you to select Natural Gas or Liquid Propane during installation
Advanced high efficiency condensing design delivers energy savings & continuous hot water at a constant flow of over 4 gallons per minute
Helical coil internal heat exchanger lengthens heat transfer cycle and reduces lime & scale build-up to maintain high efficiency operation
Power direct vent design installs with 2" or 3" PVC, CPVC or polypropylene pipe terminating through outside wall
Top fired Ultra-Low NOX gas burner, meets or exceeds emission requirements in California & Utah
Push-button piezo ignitor makes lighting pilot fast & easy
Protected by a CoreGard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system for long life
8-year limited tank and parts warranty
 
Product Specifications
 
Tech Specs
Nominal Capacity: 
75
Rated Storage Volume 
74
UEF
0.86
Maximum BTUs:
100,000
Standby Loss BTUs per Hour:
520
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:
1"
Emissions:
Ultra-Low NOx
LEED Rating:
1
ENERGY STAR? Certified:
Yes
Digital Display:
Yes
First Hour Rating:
130
 
Dimensions & Venting
Type:
Tall
Height:
64 3/4"
Height w/Draft Hood:
64 3/4"
Diameter:
27 3/4"
Width:
27 3/4"
Depth:
27 3/4"
Vent Type:
Power Direct Vent