RHEEM-RUUD Commercial Gas Water Heater: Natural Gas, Low NOx, 75 gal, 125,000 BTU
The RHEEM-RUUD Commercial Gas Water Heater (SKU 35Z887, MPN GNU75-125) is a general-purpose commercial gas water heater with a nominal tank capacity of 70 gal and a 125,000 BTU input. It operates on natural gas…
SKU 3G-OTH-452261
Need installation or engineering help?
Ask a question
Product Description
The RHEEM-RUUD Commercial Gas Water Heater (SKU 35Z887, MPN GNU75-125) is a general-purpose commercial gas water heater with a nominal tank capacity of 70 gal and a 125,000 BTU input. It operates on natural gas, features a direct spark to pilot ignition, and includes a Low NOx compliant burner. The unit is CSA Certified, has a recovery rate of 101 gph @ 120°F and a maximum recovery flow rate of 242 gph @ 40°F, with a 5 in vent connection and 120V AC operating voltage.
Frequently Asked Questions
What is the RHEEM-RUUD GNU75-125 commercial gas water heater used for?
The RHEEM-RUUD GNU75-125 is a general-purpose commercial gas water heater designed for high-demand hot water applications in commercial facilities such as restaurants, hotels, and office buildings. It provides a 70 gal nominal tank capacity with a 125,000 BTU input and a recovery rate of 101 gph at 120°F, ensuring reliable hot water supply.
What are the specifications of the RHEEM-RUUD GNU75-125?
The RHEEM-RUUD GNU75-125 has a 70 gal nominal tank capacity, 125,000 BTU input, and operates on natural gas. It features a Low NOx compliant burner, direct spark to pilot ignition, and a 5 in vent connection. The unit is CSA Certified, requires 120V AC, and includes a temperature and pressure relief valve. Height is 65.5 in.
Where to buy the RHEEM-RUUD GNU75-125 worldwide?
3G Electric supplies the RHEEM-RUUD GNU75-125 commercial gas water heater to customers 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 CSA Certified unit to commercial facilities globally.
How to install the RHEEM-RUUD GNU75-125 commercial gas water heater?
Installation of the RHEEM-RUUD GNU75-125 must follow local codes and the manufacturer's manual. Ensure proper venting with a 5 in connection, natural gas supply, and 120V AC power. The unit includes a temperature and pressure relief valve. For Low NOx compliance, verify combustion air supply. Always use a licensed professional for gas and electrical connections.
Used in
Common applications for RHEEM-RUUDRHEEM-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.















