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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
Commercial Universal Heavy Duty 100 Gal. 310K BTU Natural Gas ASME Tank Water HeaterRheem 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 see Prop 65 WARNINGS California & Utah Residents (Utah
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 DOES NOT MEET LOW NOX (LN) EMISSIONS REQUIREMENTS. REGULATIONS PROHIBIT THE SALE, SHIPMENT OR INSTALLATION OF THIS WATER HEATER IN ANY AIR QUALITY DISTRICT THAT REQUIRES LOW NOX WATER HEATERS.
- 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: our exclusive diagnostic system, with glowing LED lights, 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
- Stainless steel burners: precision burners, raised port design, are formed from high chromium stainless steel; each burner assembly slides out like a drawer for quick inspection and maintenance
- 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 and hand-hole cleanout for easy removal of lime/sediment deposits
- Direct spark to pilot ignition system: Saves energy by igniting only when there is a call for heat
- Built-in corrosion resistance: patented anode design utilizes multiple magnesium rods to ensure corrosion resistance for a long tank life
- Fully insulated: energy saving sag and moisture proof fiberglass insulation surrounds the storage tank and heavy mineral wool insulation surrounds the combustion chamber
- 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
- 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
- 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
Features
| Item Weight | 770 |
| Uniform Energy Factor | 0 |
| Returnable | 90-Day |
| Tank Lining Material | Glass |
| BTU Rating | 310000 |
| Commercial/Residential | Commercial |
| Application Type | Commercial |
| Tank Warranty | 3 Year |
| Wattage (watts) | 0 |
| Recovery Rate at 90F Rise (gallons/hour) | 334 |
| Maximum Temperature (F) | 180 |
| Water Heater Profile | Tall |
| Finish Family | Gray |
| Water Heater Features | Overheat Protection,Temperature Pressure Relief Valve |
| Minimum Temperature (F) | 70 °F |
| Indoor/Outdoor | Indoor |
| Fuel Type | Gas |
| Product Weight (lb.) | 770 lb |
| Pack Size | 1 |
| Vent Type | Atmospheric |
| Nominal Tank Capacity (gallons) | 100 |
| Household Size | 5+ |
| Water Connection Size (in.) | 1.5 in Top, 2 in Side |
| Product Width (in.) | 30.25 in |
| Product Height (in.) | 75 in |
| Product Depth (in.) | 30.25 in |
| Tank Valve Size (in.) | 0.75 |
| Part Warranty | 1 Year |
| Labor Warranty | No Warranty |
| Certifications and Listings | CSA Listed,UL Listed |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.4 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Great Visor!
Size: One Size, Color: Black/White/3
Just got this today and it is exactly what I wanted. Looks and fits great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Comfortable Fit and Function
Size: One Size, Color: Blush Pink/Pink Tint/3
Extremely comfortable. Adjustable band. Brim is just wide enough to sufficiently shade eyes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Comfortable and nice
Size: One Size, Color: Black
It’s lightweight and comfortable and does the job!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Cute visor
Size: One Size, Color: Navy
This hat fits my smaller head perfectly. I like the length of the brim and the height of the hat in the front as I have some that are too big. It was comfortable even after wearing it on a longer day of golf.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Really nice, comfortable and well made.
Size: One Size, Color: Black, Size: One Size, Color: Black
I got two of these to replace a couple that I had bought at thrift stores and just wore until they are threads. They're difficult to find anymore unless you buy them brand new. These adjust easily with the velcro, they quickly absorb sweat in the thick band. It provides good protection of my face when I'm outside working during the day in the Sun. They feel like they are quality, the fabric is smooth and silky, the stitching is tight and they're not heavy on my head. The brim is thick enough to block all the Sun, the lining is soft and fuzzy against your skin. Great value, priced nice for the quality.
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Reviewed in the United States on July 25, 2025