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3G Electric
RHEEM-RUUD G100-80N Commercial Gas Water Heater, 100 gal, Natural Gas, Low NOx - General Purpose Commercial Gas Water Heaters
RHEEM-RUUDGeneral Purpose Commercial Gas Water Heaters

RHEEM-RUUD G100-80N Commercial Gas Water Heater, 100 gal, Natural Gas, Low NOx

The RHEEM-RUUD Commercial Gas Water Heater (SKU G100-80N, MPN G100-80N) is a 100-gallon nominal capacity, natural gas-fired general-purpose commercial water heater. It features a Low NOx compliant burner, direct…

SKU 3G-OTH-452250

Also listed as: G10080N · G100 80N

Brand
RHEEM-RUUD
Item
G100-80N Commercial Gas Water Heater, 100 gal, Natural Gas, Low NOx
Part Number
G100-80N
Category
General Purpose Commercial Gas Water Heaters
Available to Order
Also known as:G100-80NRHEEM-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
G100-80N
Type
Low NOx, 100 gal
Ht
69.63 in
BTU
76,000
Market
Commercial
Low NOx
Yes
Fuel Type
Natural Gas
Standards
Canada CSA
Vent Type
Standard
Ignition Type
Direct Spark to Pilot
Included Valves
Temperature and Pressure Relief
Display Sell UOM
EA
Low NOx Compliant
Includes California Low NOx Compliant Burner
Operating Voltage
120V AC
Included Valve Type
T & P Relief
Automatic Thermostat
Yes
Recovery Rate @ Rise
65 gph @ 120°F
Vent Connection Size
4 in
Nominal Tank Capacity
100 gal
Maximum Recovery Flow Rate
184 gph @ 40°F

Technical Documents

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

Product Description

The RHEEM-RUUD Commercial Gas Water Heater (SKU G100-80N, MPN G100-80N) is a 100-gallon nominal capacity, natural gas-fired general-purpose commercial water heater. It features a Low NOx compliant burner, direct spark to pilot ignition, and an automatic thermostat, with a recovery rate of 65 gph at 120°F and a maximum recovery flow rate of 184 gph at 40°F. This unit operates on 120V AC, includes a temperature and pressure relief valve, and meets Canada CSA standards.

Frequently Asked Questions

What is the RHEEM-RUUD G100-80N commercial gas water heater used for?

The RHEEM-RUUD G100-80N is a 100-gallon natural gas commercial water heater designed for high-demand hot water applications in restaurants, hotels, laundries, and other commercial facilities. Its Low NOx burner meets California emission standards, and it includes an automatic thermostat and temperature and pressure relief valve for safe, efficient operation.

What are the specifications of the RHEEM-RUUD G100-80N water heater?

The RHEEM-RUUD G100-80N has a 100-gallon nominal tank capacity, 76,000 BTU input, and a recovery rate of 65 gph at 120°F rise. It operates on 120V AC with direct spark to pilot ignition, a 4-inch vent connection, and meets Canada CSA standards. The unit is 69.63 inches tall and includes a T&P relief valve.

Where to buy the RHEEM-RUUD G100-80N commercial water heater worldwide?

3G Electric supplies the RHEEM-RUUD G100-80N commercial gas water heater to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Low NOx, 100-gallon natural gas unit.

How to install the RHEEM-RUUD G100-80N gas water heater?

Installation of the RHEEM-RUUD G100-80N requires a certified professional to connect the 4-inch vent, natural gas supply, and 120V AC power. The unit must be placed on a level, non-combustible surface with proper clearance for service. Always follow local codes and the manufacturer's manual for safe operation.

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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This commercial gas water heater has a 100-gallon nominal tank capacity and 250,000 BTU input, operating on natural gas. It features a direct spark to pilot ignition and a California Low NOx compliant burner. The unit includes a T&P relief valve and a drain valve, with a 6-inch vent connection and 120V AC operating voltage. Suitable for high-demand hot water applications in commercial buildings
RHEEM-RUUD
This commercial gas water heater has a 100-gallon nominal tank capacity and 250,000 BTU input, operating on natural gas. It features a direct spark to pilot ignition and a California Low NOx compliant burner. The unit includes a T&P relief valve and a drain valve, with a 6-inch vent connection and 120V AC operating voltage. Suitable for high-demand hot water applications in commercial buildings

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