Skip to main content
Commercial Universal Heavy Duty 100 Gal. 399.9K BTU Low NOx (LN) Natural Gas ASME Tank Water Heater Gray

Roll over image to zoom in

Rheem GN100-400A Commercial Universal Heavy Duty 100 Gal. 399.9K BTU Low NOx (LN) Natural Gas ASME Tank Water Heater Gray

Item #: GN100-400A by Rheem

UPC #: 020352485102

See reviewsSee reviews

$18,883.20

/each
SAVE UP TO 1888.32

Buying in bulk

Special Order*Usually ships in 1-2 weeks
QTY
+
+ Add to Wishlist
Buy in Bulk & Save - See How Watch Now

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.

Features

Pack Size

1

Fuel Type

Gas

Certifications and Listings

CSA Listed, UL Listed

Finish Family

Gray

Indoor/Outdoor

Indoor

Product Depth (in.)

30.25

Product Height (in.)

76

Product Width (in.)

30.25

Vent Type

Atmospheric

Water Heater Gas Type

Natural Gas

BTURating

399900

Tank Capacity

100

Product Overview

Rheem Commercial Universal Gas Water Heaters are designed to fit into tight retrofit applications and have the features and capacity to meet heavy duty demands. The tighter the commercial retrofit, the more you will appreciate how the Universal's compact size and multiple water connections simplify installations. Please Note: This model requires a 120-Volt power source.

  • California and Utah residents (Utah effective 7/1/18): this water heater does not meet ULTRA LOW NOX (ULN) emissions requirements, regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters
  • Texas residents: this water heater model meets or exceeds Low NOx (LN) emissions requirements for all air quality management districts
  • Space saver design: the short heights and narrow jacket diameters, plus the top, front and rear water inlets/outlets offer the ultimate in installation flexibility
  • System sentinel LED diagnostic system verifies system operation sequence by sequence
  • Strong tank design: universals proprietary steel formulation, patented multi-flue design, combined with 2 coats of porcelain enamel, results in a superior heat exchanger design
  • Direct spark to pilot ignition system: saves energy by igniting only when there is a call for heat
  • Low profile automatic flue damper: low profile damper minimizes overall product height and heavy-duty vent hood supports are designed to withstand the rigors of installation
  • Easy to service: factory installed full port, full flow brass drain valve allows for faster draining and servicing
  • Multiple water connections simplify installation
  • Built-in corrosion resistance: patented anode design for a long tank life
  • Insulation: sag and moisture proof fiberglass insulation surrounds the storage tank and heavy mineral wool insulation surrounds the combustion chamber
  • Gas control system: thermostat adjusts from 100 degree F to 180 degree F, 24-Volt combination gas valve includes main gas pressure regulation, on-off manual valve, 120/24-Volt transformer and high limit temperature cut-out
  • Warranty: 3-year limited tank warranty
  • Need a different configuration, no problem; our universal line offers water heaters in 35 Gal. to 100 Gal. models available in a range BTU/h in natural gas and liquid propane
Proposition 65 Information

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov