Rheem® ThermaForce® Super High-Efficiency Condensing Boilers
MODEL RHBH-L99i
10-Year Heat Exchanger
5-Year Parts
1-Year Labor
- 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
Models
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
Energy Star Rated Yes
Flexible Installation
- Moveable combustion air intake (left/right)and ability to flex vent in existing B-vent
- Extra long pipe fittings with notched sides for easy gripping with wrench
- Only 4 moving parts – Fan, Pump, GasValve, and Damper
- Universal shared platform parts – Easily diagnose and service with common parts for all ThermaForce™ units
Key Features
- Innovative single pass Labyrinth HeatExchanger with Integrated copper waterways ensures maximum heat transfer and minimal heat loss
- Built-in ECM variable speed, high efficiency boiler pump
- Built-in Illuminated TouchscreenControl Panel
- Outdoor reset technology increases efficiency by lowering water temperature automatically
- Wireless cascading using RF balances workload of each unit for longer life
10-Year Heat Exchanger
5-Year Parts
1-Year Labor






More Residential Rheem Products
Find additional documentation by viewing these related products.
Natural Gas
Propane Gas
Rheem® FT™ Series Super High Efficiency Condensing Gas Boilers- 96% Thermal Efficiency or 95% AFUE (select models)
- ENERGY STAR® Certified
- ASME-rated Stainless Steel Fire Tube Heat Exchanger
- Intuitive Touchscreen Control
- Precise 4-Zone Control
- 2 Universal Shared Platform Parts
- Up to 10:1 Turndown Ratio Delivers Precise Heating Control
- BACnet Interface Option Available
- Warranty: 15-Year Heat Exchanger
- Connects to an Indirect Tank
- Whole Home Heating Solutions


