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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
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Description
20,000 BTU Vent Free Natural Gas Blue Flame Wall HeaterDyna Glo wall heaters are the ideal choice for safe, indoor supplemental heating. This state of the art vent free technology does not require a flue or chimney. These heaters are great for use in your home, cabin or garage. Since these heaters do not require electricity to operate, they make an excellent choice for everyday heating and emergency situations when the power goes out. Using blue flame heating technology, heat is distributed similar to
Dyna-Glo wall heaters are the ideal choice for safe, indoor supplemental heating. This state-of-the-art vent free technology does not require a flue or chimney. These heaters are great for use in your home, cabin or garage. Since these heaters do not require electricity to operate, they make an excellent choice for everyday heating and emergency situations when the power goes out. Using blue flame heating technology, heat is distributed similar to your central home heating system. This Blue Flame Wall Heater burns with 99.9% efficiency and operates on Natural Gas only. Not for sale in California or Canada. Check your local regulations on installation restrictions and requirements. DEPENDABLE: Ideal for daily supplemental or emergency use, such as power outages. ECONOMICAL: Cut heating bills by warming only occupied areas. COMFORT Manually adjust the heat setting to your desired temperature. SAFE: Built-in oxygen depletion sensor (ODS) immediately shuts down the heater if carbon monoxide or lack of oxygen is detected. CONVENIENT 1 continuous press of the battery assisted igniter makes ignition quick and effortless. VERSATILE: Includes all necessary hardware and bracket for wall mounting. UPGRADEABLE: Separately sold optional base legs (WBL100) provide the alternative of floor mounting. Separately sold optional Wall Heater Fan (WHF100) distributes heat in a quiet, yet powerful way.- California residents
- Natural Gas Ready (Field Conversion Not Permitted)
- Blue flame technology works by converting heat to warm the air the same way as a central heating system
- 10,000 BTU's/hour - 20,000 BTU's/hour variable heat output for up to 700 sq. ft.
- Variable control knob offers the most customizable heat settings: LOW - 10,000 BTU; MED - 15,000 BTU; HI - 20,000 BTU
- No electricity required allows for reliable back-up heating in case of an emergency situation
- Separately sold optional fan (WHF100) improves the amount of square footage the heat reaches in a quiet, yet powerful way
- Separately sold optional base legs (WBL100) allows for stable floor mounting
- 1 Year Warranty
- Not for sale in California or Canada
- Prior to placing your order, please check local and state codes to determine if vent-free heaters are permitted in your locality
- Operating heater above elevations of 4,500 feet could cause pilot outage.
Features
| Item Weight | 20.21 |
| Thermostat | No |
| Fuel Type | Natural Gas |
| Indoor/Outdoor | Indoor |
| Accessories Included | No |
| Color Family | Whites |
| Area Heated (Sq. Ft.) | 700 |
| Heating Product Type | Gas Wall Heater |
| Automatic shutoff | Yes |
| Remote Control | No |
| Vented | No |
| Fuel Gauge | No |
| Number of Heat Settings | Variable |
| Installation | Surface Mounted |
| Timer Included | No |
| Returnable | 180-Day |
| Power/Fuel Type | Natural Gas |
| Product Weight (lb.) | 20.21 |
| Room Size (sq. ft.) | 600-900 |
| Heat rating (BTU/hour) | 20000 |
| Heater Controls | Dial |
| Annual Fuel Utilization Efficiency (AFUE) (%) | 99.9 |
| Color | White |
| Heating Technology Type | Convection |
| Heater Type | Unvented |
| Ignition Type | Interrupted Spark |
| Product Depth (in.) | 10.08 |
| Product Height (in.) | 24.02 |
| Connection Size | 3/8 in. NPT |
| Product Width (in.) | 20.94 |
| Certifications and Listings | CSA Certified |
| Manufacturer Warranty | 1 Year Limited Warranty |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Comfortable, Durable, and Stylish
Perfect gift choice! Excellent quality socks with a variety of colors to match any wardrobe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 30, 2025
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer:
Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free.
No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them.
Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day.
Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions.
Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently.
Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game.
If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks.
5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024
★★★★★ 5
My Husband’s Favorite Socks
Size: Large, Color: (035) Steel / White / Black
The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks.
Comfortable Fit:
They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching.
Great for Everyday Wear:
Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky.
Durable & Long-Lasting:
These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly.
Reliable Under Armour Quality:
You can tell they’re well made. Consistent quality that matches what you expect from Under Armour.
Overall Impression:
When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Quality Under Armour socks
Size: Large, Color: (100) White / White / Black
Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Perfect Pairs
Size: Large, Color: (100) White / White / Black
Very comfortable, soft & affordable..
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Reviewed in the United States on May 19, 2026