We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 199,900 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, 199,900 BTU

The RHEEM-RUUD Commercial Gas Water Heater (SKU 35Z889, MPN GNU100-200) is a general-purpose commercial gas water heater with a nominal tank capacity of 100 gal and a maximum recovery flow rate of 485 gph @ 40°F. It…

SKU 3G-OTH-452253

Brand
RHEEM-RUUD
Item
Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 199,900 BTU
Category
General Purpose Commercial Gas Water Heaters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

RHEEM-RUUD
Manufacturer Part Number
GNU100-200
Type
Low NOx, 100 gal
Ht
73.06 in
BTU
199,900
Market
Commercial
Low NOx
Yes
Fuel Type
Natural Gas
Standards
ASHRAE 90.1b-2001
Sub-brand
Rheem Ruud
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
Recovery Rate @ Rise
162 gph @ 120°F
Vent Connection Size
6 in
Nominal Tank Capacity
100 gal
Water Connection Location
Side
Maximum Recovery Flow Rate
485 gph @ 40°F
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The RHEEM-RUUD Commercial Gas Water Heater (SKU 35Z889, MPN GNU100-200) is a general-purpose commercial gas water heater with a nominal tank capacity of 100 gal and a maximum recovery flow rate of 485 gph @ 40°F. It operates on natural gas, features a Low NOx compliant burner, and uses a direct spark to pilot ignition system. The unit includes a temperature and pressure relief valve, has a vent connection size of 6 in, and operates at 120V AC. It meets ASHRAE 90.1b-2001 standards and includes California Low NOx compliant burner.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the RHEEM-RUUD GNU100-200 commercial gas water heater used for?

The RHEEM-RUUD GNU100-200 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 gal tank capacity and a 199,900 BTU input, with a Low NOx burner for emissions compliance.

What are the specifications of the RHEEM-RUUD GNU100-200?

The RHEEM-RUUD GNU100-200 has a 100 gal nominal tank capacity, 199,900 BTU input, and a recovery rate of 162 gph at 120°F rise. It operates on natural gas at 120V AC, uses a direct spark to pilot ignition, includes a temperature and pressure relief valve, and meets ASHRAE 90.1b-2001 standards.

Where to buy the RHEEM-RUUD GNU100-200 in worldwide?

3G Electric supplies the RHEEM-RUUD GNU100-200 commercial gas water heater worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this RHEEM-RUUD model to any international location.

How to install the RHEEM-RUUD GNU100-200 commercial gas water heater?

Installation must follow local codes and the manufacturer's manual. Ensure proper venting with a 6 in vent connection, adequate gas supply for 199,900 BTU, and a 120V AC electrical connection. The unit includes a temperature and pressure relief valve. Always use a licensed professional for gas and electrical work.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 399,900 BTU, 76 in Ht (MPN GNU100-400A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ASHRAE; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 399,900 BTU, 76 in Ht (MPN GNU100-400A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ASHRAE; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 76 gal, 199,900 BTU, 68.81 in Ht (MPN GNU76-200). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI Z21.10.3; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 76 gal, 199,900 BTU, 68.81 in Ht (MPN GNU76-200). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI Z21.10.3; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 270,000 BTU, 73.88 in Ht (MPN GN100-270A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 270,000 BTU, 73.88 in Ht (MPN GN100-270A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 72 gal, 250,000 BTU, 71.06 in Ht (MPN GN72-250A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: NC Compliant; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 72 gal, 250,000 BTU, 71.06 in Ht (MPN GN72-250A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: NC Compliant; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 75 gal, 125,000 BTU, 65.5 in Ht (MPN GNU75-125). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: CSA Certified; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 75 gal, 125,000 BTU, 65.5 in Ht (MPN GNU75-125). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: CSA Certified; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 199,900 BTU, 73.06 in Ht (MPN GN100-200). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas; Included Valves: Temperature and Pressure Relief.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 199,900 BTU, 73.06 in Ht (MPN GN100-200). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas; Included Valves: Temperature and Pressure Relief.

More from RHEEM-RUUD

View all RHEEM-RUUD parts
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, 85 gal, 399,900 BTU, 78.81 in Ht (MPN G85-400A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: AHRI Certified; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Top; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, 85 gal, 399,900 BTU, 78.81 in Ht (MPN G85-400A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: AHRI Certified; Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Top; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Liquid Propane, 91 gal, 199,900 BTU, 76.31 in Ht (MPN G91-200LP). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: Canada CSA; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Front; Fuel Type: Liquid Propane; Included Valves: Temperature and Pressure Relief.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Liquid Propane, 91 gal, 199,900 BTU, 76.31 in Ht (MPN G91-200LP). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: Canada CSA; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Front; Fuel Type: Liquid Propane; Included Valves: Temperature and Pressure Relief.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 76,000 BTU, 69.63 in Ht (MPN G100-80N). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: Canada CSA; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Top; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 76,000 BTU, 69.63 in Ht (MPN G100-80N). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: Canada CSA; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Top; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 75 gal, 75,100 BTU, 64 in Ht (MPN G75-75N-3). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: US CSA (Star); Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 75 gal, 75,100 BTU, 64 in Ht (MPN G75-75N-3). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: US CSA (Star); Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 399,900 BTU, 76 in Ht (MPN GN100-400A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas; Included Valves: Drain.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 100 gal, 399,900 BTU, 76 in Ht (MPN GN100-400A). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: ANSI; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side; Fuel Type: Natural Gas; Included Valves: Drain.
RHEEM-RUUD Commercial Gas Water Heater: Liquid Propane, Low NOx, 75 gal, 75,100 BTU, 64 in Ht (MPN G75-76LP). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: US CSA (Star); Sub-brand: gas water heater; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Liquid Propane, Low NOx, 75 gal, 75,100 BTU, 64 in Ht (MPN G75-76LP). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: US CSA (Star); Sub-brand: gas water heater; Brand: RHEEM-RUUD; Low NOx: Yes; Water Connection Location: Side.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, 35 gal, 199,900 BTU, 49.25 in Ht (MPN G37-200). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: UL Listed; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Front; Fuel Type: Natural Gas; Included Valves: Temperature and Pressure Relief.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, 35 gal, 199,900 BTU, 49.25 in Ht (MPN G37-200). Key specifications — Display Sell UOM: EA; Market: Commercial; Standards: UL Listed; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Front; Fuel Type: Natural Gas; Included Valves: Temperature and Pressure Relief.
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, 100 gal, 80,000 BTU, 69.63 in Ht (MPN G100-80). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: US CSA (Star); Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Rear.
RHEEM-RUUD
RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, 100 gal, 80,000 BTU, 69.63 in Ht (MPN G100-80). Key specifications — Automatic Thermostat: Yes; Display Sell UOM: EA; Market: Commercial; Standards: US CSA (Star); Sub-brand: Rheem Ruud; Brand: RHEEM-RUUD; Low NOx: No; Water Connection Location: Rear.