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RHEEM-RUUD GNU100-250A General Purpose Commercial Gas Water Heater - General Purpose Commercial Gas Water Heaters
RHEEM-RUUDGeneral Purpose Commercial Gas Water Heaters

RHEEM-RUUD GNU100-250A General Purpose Commercial Gas Water Heater

<p>The RHEEM-RUUD GNU100-250A is a general purpose commercial gas water heater designed for high-demand applications. With a 100-gallon capacity and 250,000 BTU input, it delivers a recovery rate of 242 gallons per…

SKU 3G-OTH-452256

Also listed as: GNU100250A · GNU100 250A

Brand
RHEEM-RUUD
Item
GNU100-250A General Purpose Commercial Gas Water Heater
Part Number
GNU100-250A
Category
General Purpose Commercial Gas Water Heaters
Available to Order
Also known as:GNU100-250ARHEEM-RUUD
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RHEEM-RUUD
Manufacturer Part Number
GNU100-250A
Type
Low NOx, 100 gal
Ht
73.25 in
BTU
250,000
Market
Commercial
Low NOx
Yes
Fuel Type
Natural Gas
Standards
ASHRAE
Sub-brand
Commercial Water Heater
Vent Type
Standard
Ignition Type
Direct Spark to Pilot
Included Valves
Drain
Display Sell UOM
EA
Low NOx Compliant
Includes California Low NOx Compliant Burner
Operating Voltage
120V AC
Included Valve Type
T & P Relief
Recovery Rate @ Rise
242 gph @ 100°F
Vent Connection Size
6 in
Nominal Tank Capacity
100 gal
Water Connection Location
Side
Maximum Recovery Flow Rate
606 gph @ 40°F

Technical Documents

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RHEEM-RUUD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The RHEEM-RUUD GNU100-250A is a general purpose commercial gas water heater designed for high-demand applications. With a 100-gallon capacity and 250,000 BTU input, it delivers a recovery rate of 242 gallons per hour at a 100°F rise, ensuring a steady supply of hot water for commercial facilities. This unit operates on natural gas and features a Low NOx compliant burner, meeting California's stringent emissions standards. It also complies with ASHRAE standards, making it a reliable choice for engineers and contractors.</p><p>Ideal for restaurants, hotels, laundromats, and other commercial establishments, this water heater is built for durability and efficiency. It includes a T&amp;P relief valve and drain valve for safety and maintenance. For Singapore buyers, 3G Electric offers SGD quotes on request, handles GST for local orders, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the recovery rate of the RHEEM-RUUD GNU100-250A?

The recovery rate is 242 gallons per hour at a 100°F temperature rise.

Does this water heater comply with Low NOx and ASHRAE standards?

Yes, it includes a California Low NOx compliant burner and meets ASHRAE standards.

Used in

Common applications for RHEEM-RUUD
Hotel laundry facilities — Rheem-Ruud commercial gas water heaters (e.g., GNU76-200) for high-volume hot water supply
Restaurant kitchens — Rheem-Ruud point-of-use electric water heaters (e.g., EGSP20) for under-sink hot water
Industrial wash stations — Rheem-Ruud storage tanks (e.g., ST80) to buffer hot water demand
Office building break rooms — Rheem-Ruud compact electric water heaters (e.g., EGSP10 120V) for localized hot water
Commercial dishwashing — Rheem-Ruud gas water heaters (e.g., G82-156) for continuous hot water at 180°F sanitizing temperatures
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RHEEM-RUUD Products

3G Electric supplies RHEEM-RUUD general purpose commercial gas water heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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