40 Gallon Tall Ultra Low NOx Natural Gas Water Heater - 6 Year Warranty

40 Gallon Tall Ultra Low NOx Natural Gas Water Heater - 6 Year Warranty

Model: NU40T61-403    Lowe's Item* #: 333578


  • FLAME LOCK® Safety System Reduces the Risk of Accidental Fires Involving Flammable Vapors
  • Electronic Gas Valve has fewer moving parts than a conventional mechanical gas valve, for durability and long life-no external power source needed
  • Self-Diagnostic Electronic Gas Control incorporates an LED status indicator that monitors and reports on system operational status
  • Piezo Electric Igniter makes lighting the pilot fast and easy
  • Environmentally friendly polyurethane foam insulation reduces heat loss for maximum efficiency, saves money
  • Ceramic tank lining and aluminum anode rod protects tank from corrosion, for long tank life
  • Factory installed temperature and pressure relief valve ensures safe operation
  • Ultra Low NOx natural gas model meets 10ng/J emissions standards

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Product Dimensions
Height w/Draft Hood:62.25"
Weight:129 lbs.
Vent Type:Type B Double Wall
Vent Diameter:3"
Configuration and Overview
Capacity:40 Gallons
Family Size:4
Energy Star Certified:No
Energy Factor:0.59
Annual Cost of Operations:$277
LCD Display:No
Self Cleaning:No
Warranty Tank:6 Years
Warranty Parts:6 Years
Warranty Labor:1 Year
BTU Input:40,000 BTUs
Emissions Standards:Ultra Low NOx
Ignition Type:Pilot with Piezo Igniter
Foam Insulation:1 inch
Water Connection Location:Top
Water Connection Size:3/4 inch
T&P Relief Valve:Yes
Energy & Eco-Friendly
Energy Factor:0.59
Ultra Low NOx:Meets SCAQMD Rule 1121
40 Gallon Natural Gas Water Heater - NU40T61-403 4.4 5 126 126
DIY Install Went Very Well Bought this to replace a Whirlpool 12 year 40 gallon water heater. Had issues from early on with the12 year model for whatever the reason, wasn't going to make a warranty claim as partly it was my fault-----> remember to drain and flush your water heater twice a year!! I had my son install it, and the installation went was very easy... all done to code, installed outside in heater shed, strapped to the wall, all new flex gas line and fittings, as well as water flex lines My son had it installed in about 45 minutes. After the install was completed and checked for both gas and water leak; the pilot lit up on the first try; we had hot water within the hour I definitely like the electronic HoneyWell thermostat / gas controller on this new water heater over older mechanical gas control valve type. The honeyWell seems to provides better control over the water temp. Don't forget to drain and flush at least twice a year. May 19, 2015
good price Easy to install, great price at lowes. Have to wait till gas bill comes to compare May 25, 2015
very good I liked easy install lowered my energy bill L like April 8, 2015
SUPERB WATER HEATER My contractor had NO problems with installation. It started producing HOT water in 30 minutes! I am very pleased with my latest Whirlpool Product, as it exceeds all of my prior expectations. March 11, 2015
GREAT FEATURES very efficent and very quiet and easy to operate. I would reccomend this waterheater to a friend my last whirlpool lasted 10 Years. Great quality whirlpool puts out to the customers. March 4, 2015
Satisfactory This product newly installed. Too new to evaluate. March 4, 2015
This products does indded has good and easy features. This water heater seems to be user friendly as far as lighting the pilot and seemed easier for the plumber to install. So far... So good. ~No Complaints..... YET` Still New!!!! January 20, 2015
Easy to install. We've only had it a day but the unit was simple to install, it lit right up, had hot water in a half hour. I will see if it lowers my energy bill and how reliable it will be. So far I'm happy with the purchase. January 14, 2015
Great performance Looks clean and modern, easy to buy, easy to install and works as expected. It gives me hot water and I don't seem to ever run out of it. It's quiet while the gas is burning but it does make a loud humming noise for a few seconds each time the gas first fires on. Three people in the house! January 5, 2015
This water heater has great features. Everything about this water heater is excellant. It has the latest technology. It looks gteat . The cost of this heater is very affordable. My friends highly recommended to buy this gas water heater. December 23, 2014

Owners Manual
Comprehensive information about your new appliance - from getting started to cleaning and maintenance - with answers to frequently asked questions.

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Troubleshooting & Repair

IMPORTANT - Read and follow the printed Installation Instructions that came with your water heater. The printed Instructions and product labels contain model-specific information, important warnings and safety notices. If you lack the necessary skills to install, troubleshoot or repair the water heater, get help from a qualified person.

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