The Rinnai Direct Vent Wall Furnace is an energy-efficient heating solution designed to provide consistent and comfortable warmth in various residential settings. These wall furnaces are particularly suited for zone heating, allowing users to heat specific rooms or areas rather than the entire house, which can lead to significant energy savings.
Function Description:
The Rinnai wall furnace operates on a direct vent system, meaning it draws combustion air from outside and vents exhaust gases directly outside, ensuring excellent indoor air quality. This sealed combustion system prevents the mixing of combustion byproducts with indoor air. The core of its heating capability lies in a stainless steel heat exchanger, which is highly efficient at extracting heat from the combustion process. An innovative modulating gas valve and blower system automatically adjusts to individual heating needs, providing a consistent temperature from ceiling to floor. This modulation ensures that the furnace only uses the necessary amount of fuel and fan speed to maintain the desired temperature, contributing to its energy efficiency and quiet operation. The unit is designed to be "cool-to-the-touch," enhancing safety, especially in homes with children or pets.
Important Technical Specifications:
The Rinnai Direct Vent Wall Furnaces are available in several models, each with varying input ranges and efficiencies, catering to different heating requirements.
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ES08 (RHFE-201-RFA):
- Gas Type: NG (Natural Gas) / LP (Liquid Propane)
- Input Range (BTU Low/High): 3,000 / 8,000
- AFUE Rating: 80.6% (NG) / 83.4% (LP)
- Fan CFM Output (Low/High): 48.3 / 78.6
- Dimensions (W x H x D): 16 3/4" x 26 5/8" x 9 7/8"
- Weight: 39 lbs.
- Color: Beige only
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ES11 (RHFE-263-RFA):
- Gas Type: NG / LP
- Input Range (BTU Low/High): 5,500 / 11,000 (NG) / 5,700 / 11,000 (LP)
- AFUE Rating: 80.0%
- Fan CFM Output (Low/High): 96.4 / 128.5
- Dimensions (W x H x D): 16 3/4" x 26 5/8" x 9 7/8"
- Weight: 37 lbs.
- Color: Beige only
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ES17 (RHFE-433-RFA) / EX17 (RHFE433RWTA):
- Gas Type: NG / LP
- Input Range (BTU Low/High): 8,200 / 16,700
- AFUE Rating: 80.8% (NG) / 81.0% (LP)
- Fan CFM Output (Low/High): 110.5 / 141.3
- Dimensions (W x H x D): 29 1/2" x 21 13/16" x 9 7/8"
- Weight: 51 lbs.
- Color: Beige only
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ES22 (RHFE-558-RFA) / EX22 (RHFE-558-RWTA) / EX22W (RHFE558RWTA-W):
- Gas Type: NG / LP
- Input Range (BTU Low/High): 8,200 / 21,500 (NG) / 8,200 / 20,700 (LP for ES22) / 8,200 / 20,500 (LP for EX22/EX22W)
- AFUE Rating: 80.8% (NG for ES22) / 81.0% (LP for ES22) / 80.6% (NG for EX22/EX22W) / 81.0% (LP for EX22/EX22W)
- Fan CFM Output (Low/High): 110.5 / 141.3
- Dimensions (W x H x D): 29 1/2" x 21 13/16" x 9 7/8"
- Weight: 51 lbs.
- Color: Beige (ES22/EX22) / White (EX22W)
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ES38 (RHFE-1004-RFA) / ES38W (RHFE1004RFA-W):
- Gas Type: NG / LP
- Input Range (BTU Low/High): 10,500 / 38,400 (NG) / 10,500 / 36,500 (LP)
- AFUE Rating: 80.6% (NG) / 82.0% (LP)
- Fan CFM Output (Low/High): 110.5 / 162.7
- Dimensions (W x H x D): 36 5/8" x 26 3/8" x 13"
- Weight: 91 lbs.
- Color: Beige (ES38) / White (ES38W)
Usage Features:
The Rinnai wall furnaces offer a range of features designed for user convenience, safety, and optimal heating performance.
- "Cool-to-the-touch" Cabinet: This safety feature ensures that the exterior surface of the furnace remains cool, preventing accidental burns.
- Sealed Combustion: Protects indoor air quality by isolating the combustion process from the living space.
- Flue Block: An automatic safety mechanism that shuts down the furnace if the flue is blocked, preventing dangerous exhaust buildup.
- Child Safety Lock: Provides an additional layer of safety, preventing unintended operation by children.
- Electronic Ignition: Eliminates the need for a standing pilot light, saving energy and improving safety.
- Wind Tunnel Tested Venting Systems: Ensures reliable operation even in windy conditions.
- Digital, Adaptive Control: Allows the furnace to learn and adapt to the heating needs of the space for optimized performance.
- Earthquake-Proof Tilt-Switch: A safety feature that automatically shuts off the furnace if it is tilted or knocked over, common in seismic zones.
- Modulating Blower and Gas Valve: Automatically adjusts heat output and fan speed to maintain a consistent, comfortable temperature from floor to ceiling, operating quietly.
- Thermistor: An advanced sensor that accurately monitors room temperature at 2 inches off the floor, capable of detecting changes as small as half a degree. This allows the furnace to respond quickly to temperature fluctuations.
- Quick Response Heating: Within 10 seconds of detecting a temperature drop, the furnace begins to gently heat the room at a low fan speed. It then increases fan speed and BTU output as needed to reach the set temperature. Once the desired temperature is achieved, the unit enters a stand-by mode.
- Room Monitoring: The furnace continuously monitors room temperature. As the temperature gradually drops, it restarts and gently warms the room. In case of a sudden influx of cold air, the unit automatically adjusts fan speed and BTUs to quickly restore the set temperature.
- Product Applications: Ideal for various settings including room additions, sunrooms, multifamily housing, basement remodels, condos, lofts, cabins, lake or vacation homes, electric-to-gas conversion projects, high altitude installations, and manufactured housing.
- Vent Terminations: Discrete vent terminals are available, only 4 inches in diameter, for through-wall installations. Various extension kits and elbows are available to accommodate different wall thicknesses and installation requirements (e.g., S Vent for 3"-4 1/2", A Vent for 4 1/2"-9 1/2", B Vent for 9 1/2"-15 3/4", C Vent for 15 3/4"-23 5/8", D Vent for 23 5/8"-31 1/2").
- Color Options: Most models are available in beige, with some ES22 and ES38 models also offered in white.
Maintenance Features:
The Rinnai wall furnaces are designed with features that simplify maintenance and ensure long-term reliability.
- On-board Self-diagnostics: Provides error codes or indicators for easier troubleshooting and maintenance.
- Rigorous Factory Testing: Each furnace undergoes a battery of factory tests to ensure efficiency and benefits before leaving the manufacturing facility.
- Product Warranty:
- Heat Exchanger: 10 years
- Parts: 5 years
- Labor: 2 years
These features collectively make the Rinnai Direct Vent Wall Furnace a reliable, safe, and efficient choice for targeted heating needs.
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