


Duluth Forge Dual Fuel Ventless Gas Fireplace Mantel
Description
The Duluth Forge Ventless Gas Fireplace combines high-efficiency heating with sophisticated home styling. Engineered with patented Dual Fuel Technology, this unit operates on either natural gas or liquid propane and delivers up to 32,000 BTU of warmth, heating spaces up to 139.4 sq m. The furniture-grade fireplace mantel is finished in an elegant slate gray with dual pilaster moldings and subtle distressing, offering an upscale architectural accent to any room.
Equipped with a built-in thermostat control, the burner automatically cycles to maintain your desired temperature while operating at 99.9% energy efficiency without the need for an outside duct or chimney. Six hand-painted ceramic fiber logs produce realistic, radiant flames, backed by safety features including an Oxygen Depletion Sensor with automatic shut-off and reliable battery-assisted piezo ignition.
Key Features
| Brand | Duluth Forge |
| Model Number | DFS-400T-2GR |
| Fireplace Insert Model | FDF400T-ZC |
| Mantel Model | CM400-2-GR |
| Fuel Type | Natural Gas or Liquid Propane |
| Maximum Heat Output | 32,000 BTU |
| Heating Area | 139.4 sq m |
| Efficiency Rating | 99.9% |
| Ignition Type | Battery-assisted Piezo |
| Control Type | Thermostat Control |
| Safety Feature | Oxygen Depletion Sensor (ODS) with Automatic Shut-off |
| Log Set | 6 Hand-Painted Ceramic Fiber Logs |
| Mantel Finish | Slate Gray |
| Width | 114.3 cm |
| Height | 114.3 cm |
| Depth | 38.1 cm |
| Product Weight | 72.6 kg |
| Assembly Required | Yes |
| Country of Assembly | USA |
Highlights
- 32,000 Maximum BTU using Natural Gas or Liquid Propane
- Heats up to 1,500 sq. ft.
- Patented Dual Fuel Technology
- 1 Unit operates off Natural Gas or Liquid Propane
- Thermostat Control – The control automatically cycles the burner on and off to maintain a desired room temperature
- Slate Gray Furniture Grade Mantel Finish
- Dual moldings adorn the pilasters to complement the overall elegant design
- Mantel features light distressing throughout
- 6 realistic hand painted Ceramic Fiber Logs
- Vent-free gas fireplace insert
- Dual Precision Ported Vent Free gas burner
- Economical: 99.9% efficient. No outside duct or chimney needed!
- Safety Assurance: O.D.S. (Oxygen Depletion Sensor) included with automatic shut-off
- Battery assisted Piezo ignition
- Product Dimensions: 45′ W X 45′ H X 15′ D
- Product Weight: 160 lbs.
- Gas Fireplace Model Number: FDF400T-ZC
- Fireplace Mantel Model Number: CM400-2-GR
- Fireplace Insert is Assembled in the USA
- Some assembly required
- 1 Year Limited Warranty
Compatibility
Compatible with the optional QEB100 fireplace blower (sold separately). Note: Vent-free appliances do not operate at elevations above 1,371.6 m (4,500 ft) altitude.
Warranty
- 1 Year Limited Warranty
What's included
- Vent-Free Fireplace Insert – Qty. 1
- Hand Painted Ceramic Fiber Logs – Qty. 6
- AAA Batteries – Qty. 1
- Hardware Package – Qty. 1
Frequently asked questions
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Shipping And Delivering
Orders with free shipping typically take 4-7 business days to arrive. Please allow approximately 24-48 hours for quality control, processing and tracking.
Our Promise
We're committed to making your kitchen smarter - and your experience smoother.
That's why we offer hassle-free returns within 30 days of delivery.
If something isn't right, our team is here to help. Just reach out at support@strolljoy.com, and we'll make it right - fast.
Because smart cooking starts with smart service
