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Rheem Boiler ThermaForce Super High-Efficiency Condensing Boilers

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Rheem Residential water heating Boiler Repair, maintenance, and replacement planning
Rheem ThermaForce Super High-Efficiency Condensing Boilers product image

Technical Specifications

Product Specs

  • Up to 96% AFUE
  • ENERGY STAR® Certified
  • Patented Labyrinth Heat Exchanger with integrated copper waterways
  • 4 Universal Shared Platform parts
  • Wireless cascading (no Wi-Fi required); up to 8 boilers
  • Built-in ECM variable speed pump
  • Warranty: 10-Year Heat Exchanger
  • Connects to an Indirect Tank
  • Whole Home Heating Solutions
  • ENERGY STAR(R) Certified
  • Up to 96% AFUE and ASME-rated
  • Built-in Illuminated Touchscreen Control Panel
  • SKU: RHBH-L99i
  • Warranty Years: 10
  • Model: Rheem® ThermaForce® Super High-Efficiency Condensing Boilers
  • Fuel: Natural Gas,Propane Gas
  • Depth: 10.88"
  • Height: 32.5"
  • Width: 17.69"
  • High Efficiency: Yes
  • Brand: Rheem
  • Model or series: Rheem ThermaForce Super High-Efficiency Condensing Boilers
  • Equipment type: Boiler
  • Product group: Residential water heating
  • System role: Hydronic heating equipment for hot-water heating systems
  • Application: Residential or commercial hydronic heating applications when model capacity is appropriate
  • 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: RHBH-L99i.

Service planning

How GreenFlow handles Rheem ThermaForce Super High-Efficiency Condensing Boilers 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

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Terry S.

Excellent service from best tech!

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

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