Rinnai EX22DTWN Direct Vent Wall Furnace – Natural Gas (NG), White
The Rinnai EX22DTWN provides efficient, quiet Natural Gas heating in a compact wall-mounted design. This White cabinet model offers the same trusted performance as the EX22 Direct Vent series, delivering clean, sealed-combustion heat for bedrooms, offices, additions, and mid-size living areas without the need for ductwork.
Key Benefits
- Natural Gas heating for mid-size rooms and zoned comfort.
- Clean white cabinet blends easily with modern or neutral interiors.
- Sealed direct-vent system pulls combustion air from outdoors for improved indoor air quality.
- Quiet operation ideal for bedrooms, offices, or family spaces.
- Digital thermostat maintains comfortable, precise temperatures.
- Cool-touch cabinet adds a safer heating solution for family environments.
- No ductwork required—quick installation on an exterior wall.
Specifications
- Model: EX22DTWN
- Fuel Type: Natural Gas (NG)
- Finish: White
- BTU Range: ~8,200 – 21,500 BTU/h (NG)
- Efficiency: Up to ~82% AFUE
- Venting: Sealed direct vent
- Controls: Integrated digital thermostat
- Safety: Cool-touch exterior, child lock, oxygen depletion safety
- Warranty: 10-year heat exchanger, 5-year parts, 2-year labor
Common Uses
- Bedrooms, dens, home offices, and mid-size living spaces
- Natural Gas homes needing zoned or supplemental heating
- Home additions or remodeled rooms without ductwork
- Cold spots where efficient NG heating is needed
FAQ
Is the EX22DTWN the same as the EX22DTN?
Yes—performance is identical. The only difference is cabinet color:
• EX22DTWN = NG, White finish
• EX22DTN = NG, Beige finish
Is a vent kit required?
Yes—it uses a sealed direct-vent system for safe and efficient operation.
The “A” vent kit is included with the EX Series appliance
A Vent Kit No. FOT-151. Fits Walls 4 1/2 - 9 1/2 in (115 - 240 mm)
Can this unit heat a medium-size room?
Yes—its 21,500 BTU output is designed for mid-sized areas and zoned heating setups.
Comparison Chart
| Model | Fuel | BTU Range (Min–Max) | Mount / Vent | Dimensions (W×H×D) | Notes |
|---|---|---|---|---|---|
| EX08DT (NG/LP) | NG or LP | 3,000–8,000 BTU/h | Surface-mounted, direct vent | 18.3″ × 27.4″ × 10.1″ | Compact zone heater; thermostat compatible. |
| EX11DT (NG/LP) | NG or LP | NG: 5,500–11,000 • LP: 5,700–11,000 BTU/h | Surface-mounted, direct vent | 18.3″ × 27.4″ × 10.1″ | Small/medium rooms; same cabinet as EX08. |
| EX17DT (NG/LP) | NG or LP | 8,200–16,700 BTU/h | Surface-mounted, direct vent | 29.9″ × 22.9″ × 10.1″ | Great mid-size step-up from EX11. |
| EX22DT (NG/LP) | NG or LP | NG: 8,200–21,500 • LP: 8,200–20,700 BTU/h | Surface-mounted, direct vent | 29.9″ × 22.9″ × 10.1″ | Most popular size; thermostat/Wi-Fi interface ready. |
| EX38DT (NG/LP) | NG or LP | NG: 13,200–38,400 • LP: 13,200–36,500 BTU/h | Surface-mounted, direct vent | 36.6″ × 26.4″ × 13″ | Largest output; approved to 10,200 ft. |
Specs vary by fuel and revision; always verify against the current Rinnai spec sheet for your exact model.
Reliable NG Heating With a Clean Modern Look
The Rinnai EX22DTWN combines efficient Natural Gas heating with a crisp white finish—perfect for blending into neutral, modern, or bright interior spaces.