Skip to main content
40-Gallon Tall Ultra-Low-nox Gas Water Heater 18" X 61-3/4"

Roll over image to zoom in

  • Product Features

  • Product Overview

  • Related Videos

  • Reviews

  • Questions & Answers

AO Smith GUC-40 40-Gallon Tall Ultra-Low-nox Gas Water Heater 18" X 61-3/4"

Item #: GUC-40 by AO Smith

UPC #: 671657098810

See reviewsSee reviews

Shop with Confidence

30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.

Safe Payment
Features

Warranty

24012b42-6e6b-4629-9dcf-5cd7c3046911

Pack Size

1

Manufacturer Warranty

24012b42-6e6b-4629-9dcf-5cd7c3046911

Door Locks & Knobs Product Type

Keyed Handlesets

Fuel Type

Gas

Product Depth (in.)

18

Product Height (in.)

58

Product Length (in.)

58

Product Width (in.)

18

Water Heater Gas Type

Natural Gas

BTURating

40000

Tank Capacity

40

Product Overview

A. O. Smith® ProMax® Natural Gas Water Heater

40 Gal

Tall

18" Dia x 62" Height To Vent Connection

Top Water Connections And Top T&P Valve

0.55 Uniform Energy Factor - 40,000 BTU

DynaClean„¢ Diffuser System Reduces Sediment Buildup, Extending Tank Life

Blue Diamond® Tank Lining Provides Protection Against Leaks

Enhanced Honeywell Gas Valve With LED Diagnostics To Ease Troubleshooting And Improve Performance

Resettable FVIR Thermal Switch To Quickly And Easily Bring Heater Back Online

CoreGuard„¢ Anode Rod Is Industry-Leading Anode Technology To Extend Useful Life

Full-Flow Tamper-Resistant Brass Drain Valve

Meets AQMD ULN Requirements In CA and UT - Otherwise, Use 754138 Standard Water Heater

Meets 2015 NAECA Efficiency Standards

Mfg #GUC-40

  • 40 Gal
  • Tall
  • 18" Dia x 62" Height To Vent Connection
  • Top Water Connections And Top T&P Valve