SKU: 50581071881

Universal Heavy Duty 100 Gal. 310K BTU Commercial Natural Gas Tank Water Heater

Sale price$3711.48 Regular price$4123.87
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

Universal Heavy Duty 100 Gal. 310K BTU Commercial Natural Gas Tank Water HeaterThe Rheem Commercial Universal Gas Water Heaters are expertly crafted to seamlessly integrate into compact retrofit scenarios while delivering the robust performance necessary for heavy duty applications. Specifically designed for commercial use, the Universal 100 Gal. 199,900 BTU Natural Gas Water Heater boasts a rapid spark to pilot electrical ignition system, ensuring swift activation of the gas powered burner. Featuring a capacious 100 Gal. tank

The Rheem Commercial Universal Gas Water Heaters are expertly crafted to seamlessly integrate into compact retrofit scenarios while delivering the robust performance necessary for heavy-duty applications. Specifically designed for commercial use, the Universal 100 Gal. 199,900 BTU Natural Gas Water Heater boasts a rapid spark-to-pilot electrical ignition system, ensuring swift activation of the gas-powered burner. Featuring a capacious 100 Gal. tank and versatile water connections, this heater accommodates a diverse array of hot water demands. Its compact footprint, minimal vent height, and multiple water connections make it an optimal choice for replacement installations. It's imperative to note that this model necessitates a 120-Volt power source. Notably, for residents in California, Utah (Effective 7/1/18), and Texas, regulatory requirements regarding emissions standards must be adhered to, as outlined. Key highlights include its space-saving design, system sentinel LED diagnostic system, durable tank construction, stainless steel burners for enhanced performance, and a low-profile automatic flue damper. Moreover, servicing is simplified with features like a factory-installed full port brass drain valve and hand-hole cleanout. The direct spark to pilot ignition system ensures energy efficiency, activating only when heat is required. Additionally, built-in corrosion resistance and insulation contribute to prolonged tank life and energy savings. The gas control system offers precise temperature adjustment, ranging from 100°F to 180°F, ensuring optimal performance. For tailored configurations, Rheem's universal line offers water heaters ranging from 35 Gal. to 100 Gal. models, available in natural gas and liquid propane variants, catering to varying BTU/h requirements.

Dimensions

Product Depth (in.)

30.25 in

Product Height (in.)

75 in

Product Width (in.)

30.25 in

Tank Valve Size (in.)

0.75 in

Vent diameter (in.)

6 in

Water Connection Size (in.)

2 in

Details

Application Type

Commercial

BTU Rating

310000

Finish Family

Gray

First Hour of Delivery (gallons/hr)

371

Fuel Type

Gas

Gas Connection Size

3/4 in

Gas Type

Natural Gas

Household Size

5+

Indoor/Outdoor

Indoor

Maximum Temperature (F)

180 F

Minimum Temperature (F)

100 F

Nominal Tank Capacity (gallons)

100 gal

Pack Size

1

Product Weight (lb.)

770 lb

Recovery Rate at 90F Rise (gallons/hour)

334

Returnable

90-Day

Tank Lining Material

Glass

Tank Warranty

3 Year

Uniform Energy Factor

0

Vent Type

Atmospheric

Water Heater Features

Glass-Lined Tank, Temperature Pressure Relief Valve

Water Heater Profile

Tall

Warranty / Certifications

Certifications and Listings

CSA Listed, UL Listed

Labor Warranty

No Warranty

Part Warranty

1 Year

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50581071881

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rpeters
Omaha, US
★★★★★ 5
Great for my hot rod!
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Perfect oil for my hot rod! Add a bottle of zinc and you get great low temp flow as well as good heat protection. As a 0W it flows quickly for good start up protection and the 40W means I get good protection as temps rise. My car has a flat tappet hydraulic cam so I add a bottle of zinc. Has worked great!
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Reviewed in the United States on March 19, 2026
E
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Evan C. Lombardi
San Leandro, US
★★★★★ 5
European oil… Japanese engine… zero regrets 🇪🇺➡️🇯🇵
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40, Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Yes, I know what the label says. “European Car Formula.” Yes, I put it in a 2002 Subaru WRX bugeye with an EJ257 block and EJ205 heads. And yes—this oil absolutely slaps. This engine is not stock, not delicate, and definitely not living an easy life. It sees spirited driving, boost, and the occasional questionable decision. After switching to Mobil 1 0W-40, cold starts are smoother, oil pressure is rock solid, and the motor just feels happier. No weird noises, no drama, no oil consumption surprises. The viscosity is perfect for a performance Subaru build, especially if you’re running tighter tolerances or want strong protection under heat and load. It’s thick enough when hot, flows great when cold, and inspires confidence every time I turn the key. Is it technically “European”? Sure. Does my Subaru care? Not even a little. If you’re running a built engine, turbo setup, or just want a proven, high-quality oil that punches above its weight, this stuff earns its reputation. My bugeye may not be European, but it’s living its best life on this oil. Would absolutely buy again—passport not required.
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Reviewed in the United States on January 18, 2026
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Ruben
Houston, US
★★★★★ 4
Great oil
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
No issues
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Reviewed in the United States on May 17, 2026
J
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Jose Perez
Omaha, US
★★★★★ 5
they give what they offer
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
great service from seller it was exactly how much oil quantity i ordered and its great quality
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Reviewed in the United States on May 29, 2026
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Gregory Allen DeAtley
Natrona Heights, US
★★★★★ 5
Works great
Number of Items: 4, Style: SILZKAR7B11
Exactly what it is supposed to be ! Good service
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Reviewed in the United States on May 6, 2026

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