Skip to content
1 / 11

No photo of 399900 yet

Plumbing

Commercial Universal Heavy Duty 100 Gal. 399.9K BTU Low NOx

100 gal tankGas76 in tall

$9,666.59 each

BTU Rating: 399900
Nominal Tank Capacity: 100 gal
Quantity
1 item
$9,666.59
Standard delivery
$49.99 per order
Sales tax
Added at checkout

All orders are subject to approval.

You're not charged until your order is approved and ready to ship. Cancel free before then.

Standard delivery$49.99

Per order, added in your cart. We deliver to the 48 contiguous states.

Availability confirmed by the desk at approval, with your delivery date. Shipping policy · Returns

Plumbing

Details & specifications.

From the maker · the maker’s description

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 residents
  • California & 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 two 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°F to 180°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
  • Call 1-855-400-2552 before noon for same-day installation service in most areas, or
SKU
304705412
UPC
0020352485096
Tank
100 gal
Fuel
Gas
Height
76 in
Recovery rate
431 gal/h
Width
30.25 in
BTU Rating
399900
Item Weight
794
Uniform Energy Factor
0
Tank Lining Material
Glass
Commercial/Residential
Commercial
Application Type
Commercial
Tank Warranty
3 Year
Wattage (watts)
0
Maximum Temperature (F)
180
Water Heater Profile
Tall
Product Weight (lb.)
794 lb
Finish Family
Gray
Water Heater Features
Overheat Protection, Temperature Pressure Relief Valve
Minimum Temperature (F)
70 °F
Indoor/Outdoor
Indoor
Pack Size
1
Vent Type
Atmospheric
Household Size
5+
Tank Valve Size (in.)
1
Product Depth (in.)
30.25 in
Water Connection Size (in.)
1.5
Part Warranty
1 Year
Labor Warranty
No Warranty
Certifications and Listings
CSA Listed, UL Listed
Full product name
Commercial Universal Heavy Duty 100 Gal. 399.9K BTU Low NOx (LN) Natural Gas Tank Water Heater

Specifications are provided by the manufacturer. Brand names are trademarks of their owners.

Guide

Replacing a water heater

  1. 1

    Fuel

    Natural gas, propane, electric or heat pump. Match what the house is set up for.

  2. 2

    Size

    Tank size in gallons is on every listing; tankless and point-of-use units are their own kinds.

  3. 3

    The connections

    Flexible water connectors, a gas connector, a drain pan and the expansion tank if the system has one.