Green Flow Solution logo
Schedule Service

Commercial gas water heater

Back to Rheem products

Rheem Commercial gas water heater Universal

Request ServiceEquipment Quote
Rheem Commercial water heating Commercial gas water heater Repair, maintenance, and replacement planning
Rheem Universal product image

Technical Specifications

Product Specs

  • 35 to 100-Gallon Capacities
  • 98,000-399,900 BTU/h
  • Natural and LP Gas
  • Top-Front-Rear Inlet/Outlet
  • Water Connections
  • Space-saving tank design
  • 98,000 - 400,000 BTU/Hr.
  • System Sentinel™ LED diagnostics
  • Multi-flue tank design
  • Capacity 35-100
  • SKU: GN100-250 LN
  • Model: Universal
  • Tank Capacity: 100
  • Fuel: Natural Gas
  • Height: 66.13"
  • Single Shower Minutes: 45
  • Number Back To Back Showers: 4
  • Brand: Rheem
  • Model or series: Universal
  • Equipment type: Commercial gas water heater
  • Product group: Commercial water heating
  • System role: Water-heating equipment for domestic or commercial hot-water loads
  • Application: Commercial, light-commercial, or managed-building HVAC and water-heating applications
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: rheem.com

Useful troubleshooting details

  • Confirm the exact Rheem model or SKU, serial number, equipment age, and installation location before scheduling service.
  • Share photos of the data plate, equipment cabinet, nearby controls, access area, and any visible leaks, ice, alerts, or error codes.
  • For water-heating equipment, note hot-water symptoms, temperature swings, pressure concerns, venting, condensate, scale, and maintenance history.
  • Imported official SKU example: GN100-250 LN.

Service planning

How GreenFlow handles Universal requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Jenny W.

Great service! On time, knowledgeable & professional

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Jack B.

Andrey always does a great job.

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

View All