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Rinnai - EX38DTWN - Natural Gas Direct Vent Wall Furnace (White)

by Rinnai
SKU EX38DTWN
Original price $ 2,492.28 - Original price $ 2,492.28
Original price
$ 2,492.28
$ 2,492.28 - $ 2,492.28
Current price $ 2,492.28

Rinnai EX38DTWN Direct Vent Wall Furnace – Natural Gas (NG)

The Rinnai EX38DTWN delivers powerful, efficient NG heating in a compact, quiet, wall-mounted design. This Natural Gas version of the EX38DTW series is engineered for large rooms, basements, additions, and hard-to-heat spaces—providing fast, even warmth with sealed combustion to maintain excellent indoor air quality.

Key Benefits

  • High-output heating ideal for big rooms, open areas, and cold climates.
  • Natural Gas configuration for homes already using NG service.
  • Sealed direct-vent system draws air from outdoors for safe indoor air quality.
  • Quiet operation suitable for bedrooms, living rooms, or offices.
  • Digital thermostat control for accurate, consistent temperature regulation.
  • Cool-touch cabinet improves safety in family spaces or high-traffic rooms.
  • No ductwork needed—simple, direct wall installation.

Specifications

  • Model: EX38DTWN
  • Fuel Type: Natural Gas
  • BTU Range: ~15,500 – 38,700 BTU/h (NG)
  • Efficiency: Up to ~82% AFUE
  • Venting: Sealed direct vent
  • Thermostat: Integrated digital controller
  • Safety: Cool-touch exterior, child lock, oxygen depletion safety
  • Warranty: 10-year heat exchanger, 5-year parts, 2-year labor

Common Uses

  • Basements, family rooms, garages, and large living areas
  • Home additions without ductwork
  • Cold regions requiring high-output, zoned heating
  • Primary or supplemental heat for Natural Gas homes

FAQ

Is the EX38DTWN the same as the EX38DTWP?
Yes—performance and features are identical. The difference is fuel type:
• EX38DTWN = Natural Gas
• EX38DTWP = Propane (LP)

Does it require outside venting?
Yes—this model uses a sealed direct-vent system for safe, efficient combustion.

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 it heat a large space?
Absolutely—its 38k BTU output is sized for larger rooms or difficult heating zones.

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.

Efficient, Reliable Natural Gas Heating

The Rinnai EX38DTWN delivers high-output NG heating with quiet performance, a compact footprint, and advanced safety features—making it an ideal solution for large or challenging spaces.

Connection Type:
Threaded

BTU (Min):
13200

BTU (Max):
38400

BTU:
38400

Fuel Type:
Natural Gas

Efficiency:
81%

Voltage:
120v

Gas Connection:
1/2"

Wattage:
117

Air Flow Capacity (CFM):
263

Color:
White

Product Height
26.4 in / (670 mm)
Product Width
36.63 in / (930 mm)
Product Depth
12.6 in / (320 mm)
Product Weight
86 lb / (39 kg)

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