SKU: 88707523597

Commercial Universal Heavy Duty 100 Gal. 399.9K BTU Natural Gas Tank Water Heater

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Description

Commercial Universal Heavy Duty 100 Gal. 399.9K BTU Natural Gas Tank Water HeaterThe Rheem Commercial Universal Gas Water Heaters, exemplified by the Universal 100 Gal. 199,900 BTU Natural Gas Water Heater, are engineered for seamless integration into constrained retrofit environments while boasting the capacity and capabilities to withstand rigorous commercial demands. Featuring a user friendly spark to pilot electrical ignition system for swift activation, this model caters to diverse hot water applications with its expansive

The Rheem Commercial Universal Gas Water Heaters, exemplified by the Universal 100 Gal. 199,900 BTU Natural Gas Water Heater, are engineered for seamless integration into constrained retrofit environments while boasting the capacity and capabilities to withstand rigorous commercial demands. Featuring a user-friendly spark-to-pilot electrical ignition system for swift activation, this model caters to diverse hot water applications with its expansive 100 Gal. tank and numerous water connections. Noteworthy for its compact footprint, minimal vent height, and versatile water connections, it stands as an optimal replacement unit. It's imperative to note that this model necessitates a 120-Volt power source. Additionally, its attributes include a space-saving design, facilitated by its short stature and narrow jacket diameters, alongside top, front, and rear water inlets/outlets, ensuring unparalleled installation flexibility. The inclusion of a System Sentinel LED diagnostic system ensures systematic operational verification. Furthermore, its robust tank design, propelled by proprietary steel formulation, patented multi-flue architecture, and dual porcelain enamel coats, yields a superior heat exchanger design. Stainless steel burners, equipped with a raised port configuration, offer durability and facilitate easy maintenance. A low-profile automatic flue damper minimizes overall product height, while a factory-installed full port, full-flow brass drain valve expedites servicing. The direct spark to pilot ignition system optimizes energy efficiency by igniting solely upon heat demand. Corrosion resistance is fortified through a patented anode design incorporating multiple magnesium rods. The unit is pre-installed with CSA/ASME rated T and P relief valves, ensuring safety and compliance. Fully insulated with energy-saving materials, and featuring a gas control system with adjustable thermostat settings, this model offers versatility and efficiency. Moreover, Rheem's universal line provides a range of configurations from 35 Gal. to 100 Gal. models, available in natural gas and liquid propane variants, catering to diverse preferences and requirements.

Dimensions

Product Depth (in.)

30.25 in

Product Height (in.)

76 in

Product Width (in.)

30.25 in

Tank Valve Size (in.)

1 in

Vent diameter (in.)

6 in

Water Connection Size (in.)

1-1/2 in Top; 2 in Side

Details

Application Type

Commercial

BTU Rating

399900

Finish Family

Gray

First Hour of Delivery (gallons/hr)

458

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)

70 F

Nominal Tank Capacity (gallons)

100 gal

Pack Size

1

Product Weight (lb.)

770 lb

Recovery Rate at 90F Rise (gallons/hour)

431

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
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 88707523597

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4.6 ★★★★★
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Rosa Hyatt
Lake Worth, US
★★★★★ 5
Super informative and relieves some stress over questions that I have
Really informative and will help with a lot of questions that I have and questions that others need answered. Have been taking many blue to gold courses and I’m so intrigued to possibly make this a deep learning process for myself.
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Reviewed in the United States on April 26, 2020
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Magdalena M. Witkowska
Fort Morgan, US
★★★★★ 5
Easy to use
Great quick reference. The book is well organized and it’s easy to look things up. The case law footnotes give a good starting point for any further research that you may need.
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Reviewed in the United States on September 3, 2020
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Yes
Lowell, US
★★★★★ 5
Great search and seizure guide
This is a great book for anyone working in law enforcement. The chapters and subjects are short, clear and concise.
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Reviewed in the United States on January 26, 2019
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Alex
San Leandro, US
★★★★★ 3
Information is great, quality not so much
Format: Paperback, Format: Paperback
Think the information is good and to the point. My book was misprinted and had the top portion of the page cut off so that I can see about only half of the book page number.
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Reviewed in the United States on July 18, 2025
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nfmgirl
Battle Creek, US
★★★★★ 5
History doesn't repeat, but it rhymes
Format: Hardcover
They say that history doesn't repeat itself, but it rhymes. Reading Rachel Maddow's Prequel, that old adage lands with uncomfortable, clarifying force. The America of the 1930s had Senator Huey Long — loud, brash, barnstorming, and brimming with populist promises — and the resonance with our own era of bombastic political theater is impossible to dismiss. Maddow doesn't make that parallel clumsily. She doesn't need to. The evidence, laid out with the precision of a seasoned researcher and historian, speaks for itself. Prequel tells the story of a far-right authoritarian impulse that has run through the veins of American political life for nearly a hundred years. In the 1930s, coinciding with Hitler's rise in Europe, a coordinated movement pushed hard for fascism here at home. Groups stockpiled weapons and explosives in preparation for an insurrection. Government officials worked in coordination with foreign actors. A fascist-sympathetic narrative was amplified through official and unofficial channels alike. This was not fringe paranoia — it was organized, resourced, and frighteningly close to succeeding. What is remarkable — and what gives this book its most urgent energy — is the story of who stopped it. Not always the institutions we might hope to rely on. Where the American legal system faltered, journalists and activists filled the breach. Investigators, reporters, and citizens took up the banner of democracy through dogged, unglamorous work. This is where Maddow's particular genius comes into its own. She is a master of the long connective thread — drawing bright lines between the events of the past and the present without letting the comparison become reductive or cheap. Prequel teaches us what was learned the last time democracy faced this kind of pressure: where the weaknesses are, what held, and — critically — what it will take to hold again. She identifies the strongholds. She maps the vulnerabilities. She makes a history lesson feel like a field guide. The book is also, simply, a pleasure to read. Maddow brings to the page the same qualities that made her a formidable broadcaster: the ability to take deeply complex, document-heavy material and render it not just comprehensible but genuinely gripping. Her research is formidable. Her journalistic integrity is evident on every page. And her storytelling instincts transform what might otherwise be a dry historical account into something that reads with the momentum of a thriller. The result is a text that is at once a celebration — democracy was fought for and, in that moment, successfully defended — and a warning. This book is well researched, well documented, and well written. Maddow is a master storyteller handing us a guide for the fight ahead of us. The impulse toward authoritarianism did not dissolve with the defeat of fascism abroad; it went quiet, regrouped, and waited. Democracy is once again under attack from the inside, and Prequel makes the case — calmly, rigorously, without hysteria — that this is not unprecedented, that it has been faced before, and that it can be faced again. Don't give up the fight. Don't let the bastards grind you down. (Upgraded from 4.5 stars)
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Reviewed in the United States on April 13, 2026

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