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RHEEM-RUUD G85-400A Commercial Gas Water Heater - General Purpose Commercial Gas Water Heaters
RHEEM-RUUDGeneral Purpose Commercial Gas Water Heaters

RHEEM-RUUD G85-400A Commercial Gas Water Heater

The RHEEM-RUUD Commercial Gas Water Heater (SKU G85-400A, MPN G85-400A) is a general-purpose commercial gas water heater with an 80-gallon nominal tank capacity, 399,900 BTU input, and 120V AC operating voltage. It…

SKU 3G-OTH-452247

Also listed as: G85400A · G85 400A

Brand
RHEEM-RUUD
Item
G85-400A Commercial Gas Water Heater
Category
General Purpose Commercial Gas Water Heaters
Available to Order
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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
G85-400A
Type
85 gal
Ht
78.81 in
BTU
399,900
Market
Commercial
Low NOx
No
Fuel Type
Natural Gas
Standards
AHRI Certified
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 Standard Burner
Operating Voltage
120V AC
Included Valve Type
T & P Relief
Recovery Rate @ Rise
485 gph @ 80°F
Vent Connection Size
10 in
Nominal Tank Capacity
80 gal
Water Connection Location
Top
Maximum Recovery Flow Rate
969 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 G85-400A, MPN G85-400A) is a general-purpose commercial gas water heater with an 80-gallon nominal tank capacity, 399,900 BTU input, and 120V AC operating voltage. It features a standard vent type, direct spark to pilot ignition, and a temperature and pressure relief valve, with a recovery rate of 485 gph @ 80°F and maximum recovery flow rate of 969 gph @ 40°F. This AHRI Certified unit uses natural gas and includes a standard burner (Low NOx: No), with top water connections and a 10-inch vent connection size.

Frequently Asked Questions

What is the RHEEM-RUUD G85-400A commercial gas water heater used for?

The RHEEM-RUUD G85-400A is a general-purpose commercial gas water heater designed for high-demand hot water applications in facilities like restaurants, hotels, and laundries. It delivers 399,900 BTU input with an 80-gallon nominal tank capacity and a recovery rate of 485 gph at 80°F rise.

What are the specifications of the RHEEM-RUUD G85-400A water heater?

The RHEEM-RUUD G85-400A (MPN G85-400A) is a natural gas unit with 399,900 BTU input, 80-gallon nominal tank capacity, 78.81 in height, and 120V AC operating voltage. It features direct spark to pilot ignition, a standard vent, top water connections, and a 10-inch vent connection. AHRI Certified.

Where to buy the RHEEM-RUUD G85-400A commercial water heater worldwide?

3G Electric supplies the RHEEM-RUUD G85-400A 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 availability and lead time on this AHRI Certified unit.

How to install the RHEEM-RUUD G85-400A gas water heater?

Installation of the RHEEM-RUUD G85-400A requires compliance with local codes and the manufacturer's manual. Ensure proper venting with the 10-inch connection, natural gas supply, and 120V AC power. The unit includes a temperature and pressure relief valve. Professional installation by a licensed contractor is recommended.

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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