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Commercial tankless gas water heater

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Rheem Commercial tankless gas water heater IKONIC Commercial Modular Rack System

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Rheem Commercial water heating Commercial tankless gas water heater Repair, maintenance, and replacement planning
Rheem IKONIC Commercial Modular Rack System product image

Technical Specifications

Product Specs

  • Vent up to 12 units together to save space and reduce wall penetrations.
  • Connect up to 8 tankless water heaters with an optional Modular Rack Manifold Kit.
  • Pre-designed solution with all necessary water and gas piping for side-by-side or back-to-back setups.
  • Support any number of units in various configurations.
  • Starter and extension kits simplify planning.
  • 8-year Heat Exchanger Warranty.
  • SKU: AP24551
  • Model: IKONIC Commercial Modular Rack System
  • Fuel: Natural Gas,Propane Gas
  • Official SKU example: AP24551
  • Official product category: Commercial tankless gas water heater
  • Official source page: https://www.rheem.com/product/rheem-ikonic-commercial-modular-rack-system-ap24551/
  • Brand: Rheem
  • Model or series: IKONIC Commercial Modular Rack System
  • Equipment type: Commercial tankless 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: AP24551.

Service planning

How GreenFlow handles IKONIC Commercial Modular Rack System 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.

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Our Happy Customers

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

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.

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