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RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 250,000 BTU - General Purpose Commercial Gas Water Heaters
RHEEM-RUUDGeneral Purpose Commercial Gas Water Heaters

RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 250,000 BTU

The RHEEM-RUUD Commercial Gas Water Heater (SKU 21XP16, MPN GNU100-250A) is a general-purpose commercial water heater with a 100-gallon nominal tank capacity and a 250,000 BTU input. It operates on natural gas…

SKU 3G-OTH-452256

Brand
RHEEM-RUUD
Item
Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 250,000 BTU
Category
General Purpose Commercial Gas Water Heaters
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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
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RHEEM-RUUD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RHEEM-RUUD Commercial Gas Water Heater (SKU 21XP16, MPN GNU100-250A) is a general-purpose commercial water heater with a 100-gallon nominal tank capacity and a 250,000 BTU input. It operates on natural gas, features a direct spark to pilot ignition, and includes a California Low NOx compliant burner. Key specifications include a recovery rate of 242 gph @ 100°F, a maximum recovery flow rate of 606 gph @ 40°F, a 6-inch vent connection, and a 120V AC operating voltage. This unit is ASHRAE compliant and comes with a T & P relief valve and a drain valve.

Frequently Asked Questions

What is the RHEEM-RUUD GNU100-250A commercial gas water heater used for?

The RHEEM-RUUD GNU100-250A is a general-purpose commercial gas water heater designed for high-demand hot water applications in commercial buildings such as restaurants, hotels, and laundries. It provides a 100-gallon tank capacity with a 250,000 BTU input and a recovery rate of 242 gph at 100°F rise, ensuring reliable hot water supply.

What are the specifications of the RHEEM-RUUD GNU100-250A water heater?

The RHEEM-RUUD GNU100-250A has a 100-gallon nominal tank capacity, 250,000 BTU input, and operates on natural gas. It features a direct spark to pilot ignition, a California Low NOx compliant burner, and a 6-inch vent connection. Operating voltage is 120V AC, and it includes a T&P relief valve and drain valve. It is ASHRAE compliant.

Where to buy the RHEEM-RUUD GNU100-250A commercial water heater worldwide?

3G Electric supplies the RHEEM-RUUD GNU100-250A commercial gas water heater worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this unit to commercial facilities globally.

How to install the RHEEM-RUUD GNU100-250A commercial gas water heater?

Installation of the RHEEM-RUUD GNU100-250A requires a licensed professional. Ensure proper venting with a 6-inch connection, natural gas supply, and 120V AC power. The unit includes a T&P relief valve and drain valve. Follow local codes and the manufacturer's manual for clearances, piping, and safety. 3G Electric provides sourcing support but does not offer installation services.

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

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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