0093909000417

Williams

Model 1403822

Internet #100055560

Store SKU #860999

Store SO SKU #1000676582

14,000 BTU/Hr Direct-Vent Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat

$582.00 /each
  • Heavy-duty cast-iron burners
  • No electricity required; great during power outages
  • Durable, ceramic-coated combustion chamber increases efficiency

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Product Overview

Attractive styling, economical and safe heating comfort with this popular home furnace. Compact, space saving direct-vent heaters feature low cost installation and come equipped with all vent material. Heat only the room you're in while saving fuel costs in unused areas. This furnace's design features a sealed combustion chamber, making it great for garage or workshop heating. No electricity required, great during power outages. It is direct vented with a Matchless pilot igniter, automatic thermostat and safety controls.

  • All vent material included
  • Thermostat included; may be mounted on the wall or on the furnace cabinet
  • Natural gas; may be converted to propane gas with purchase of conversion kit model number 8939, available at HVAC supply houses
  • Rated for elevations up to 2,000 ft.
  • Automatic temperature and safety controls
  • Matchless pilot igniter
  • Attractive, soft-white finish
  • Vent cap equipped with built-in bird guard
  • Sealed combustion uses no room air for combustion
  • Great for garages
  • Optional blower accessory part number 2303

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Customer Questions & Answers

24 Questions25 Answers

Customer Questions & Answers

14,000 BTU/Hr Direct-Vent Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat
14,000 BTU/Hr Direct-Vent Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat

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3 answers

How large of a vent hole is needed ??

This question is from 14,000 BTU/Hr Direct-Vent Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat
Asked by
Pittsburgh, Pa.
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October 29, 2015
In the Williams 14,000 btu wall mount natural gas vented heater
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Answers (3)

Asked by
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July 26, 2016
Answer: 
9" diameter.
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Asked by
Victor NY
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October 30, 2015
Answer: 
9 inches
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Asked by
Victor NY
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October 30, 2015
Answer: 
The hole needs to allow a 9 inch pipe to pass through.
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3 answers

Do you sell the propane model as well?

This question is from 14,000 BTU/Hr Direct-Vent Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat
Asked by
Mt. Morris NY
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September 15, 2015
Is that heater available from the factory already set-up for propane?
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Asked by
Victor NY
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October 30, 2015
Answer: 
Yes they do, just change the burner.
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Asked by
Suburban Philly
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October 3, 2015
Answer: 
Williams makes a dedicated propane conversion kit, # 8939. No idea if HD can obtain it for you as a special order.
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September 29, 2015
Answer: 
Thank you for your recent inquiry with The Home Depot. This heater comes from the factory set up for natural gas only. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot.
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2 answers

how many square feet does this unit heat

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April 21, 2016
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Asked by
Northwestern PA
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Home Improvement Profile: DIYer
May 6, 2016
Answer: 
Technically, about 400 sq. ft. I use it to heat about half that: one 12x10 room and one 8x8 room. The unit is attached to the far wall of the larger room. It will bring both rooms up to temperature moderately quickly, depending on several factors. The smaller room always remains somewhat cooler, of course.
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April 22, 2016
Answer: 
This will heat a room that is 400 to 600 square feet.
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2 answers

What prevents rain from entering the heater through the vent?

This question is from 14,000 BTU/Hr Direct-Vent Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat
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December 17, 2015
I have purchased this unit and inspected it carefully, and from what I can see there is nothing to prevent rain from entering the intake or exhaust vents, flowing along the ducts, and from there falling into the heater. The ducts are completely horizontal and have nothing protecting their exposed ends from the rain. The cap on the end of the ducts is vertical, and several inches away from the ends of the ducts, and, as such, provides absolutely no protection from rain. In addition, the collar around the outside end of the exhaust vent will easily catch rain and hold it, since it has no drain hole on the bottom. This seems like a recipe for promoting rust.

I contacted the manufacturer about these issues and was told that nobody had ever mentioned them before. They had no answers to offer. This greatly concerns me.

The only solutions I can think of are 1) build a little roof above the vent, or 2) install the heater at an angle so that the vent angles slightly downward as it leaves the building, thus preventing water from flowing in. Neither of these seem like very satisfactory solutions to me. I would appreciate any advice about this potentially serious design flaw.
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July 26, 2016
Answer: 
I am not concerned about this. There is no force drawing water in to the vent.
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Asked by
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December 18, 2015
Answer: 
Clarification/correction of my question: further inspection of the ducts has revealed that there is a weep hole in the collar which will drain any water that enters the collar before it gets to the outer duct, but I see no such system for the inner (exhaust) duct, which is also exposed to the rain. So the remaining question is: what prevents rain from entering the inner (exhaust) duct and flowing into Read More
Clarification/correction of my question: further inspection of the ducts has revealed that there is a weep hole in the collar which will drain any water that enters the collar before it gets to the outer duct, but I see no such system for the inner (exhaust) duct, which is also exposed to the rain. So the remaining question is: what prevents rain from entering the inner (exhaust) duct and flowing into the heater? Read Less
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Customer Reviews

Rated 4.1 out of 5 by 77 reviewers.
Rated 4.0 out of 5.0 by tiny house heater it's not the sleekest looking heater but it's been sufficient to keep my 200 square foot tiny house in Vermont warm during the winter. April 20, 2016
Rated 5.0 out of 5.0 by Williams wall-mounted gas heater This unit was a replacement for an old heater that was ~50 years old. This unit mounts ON the interior side of an exterior wall with a 9" hole for the vent. It is intended to stand on the floor (in my case this was not possible because the floor below was a stairway). It is possible to mount a brace on the wall to support the device, although may not be recommended by the mfr. I was able to use gas fittings from the old unit (with proper inspection, for leaks, etc.) making installation much easier. Once the gas line was securely installed, I was able to light the pilot light, and started the furnace by turning up the thermostat. There have been no operational problems at start-up. The unit was delivered with the legs significantly bent during shipping, requiring some modification. The exterior cabinet was slightly bent. Installation requires putting a hole through the exterior wall, 9" diameter. I was able to use a Sawzall™ for this because the exterior wall was 5" thick at the job site. Thicker walls will be more challenging. My opinion is that the mounting to the wall could be improved (4 screws that are difficult to reach during install). The instruction manual is not very well written in some places: For example, the unit has a manual spark device for igniting the pilot light, but the instructions have no diagram showing where this is located on the gas regulator! Overall, I am very happy with this device. The biggest challenge to installation was preparing the mounting wall after removing the old device. The price, ~$580 is reasonable. The design of the unit is far better than the old device with repsect to ventilation and installation. I expect operation will be better as well. I have no experience with warranty, so I am not able to comment. July 26, 2016
Rated 5.0 out of 5.0 by So done with electric heat Previously we had a gas heater that had no vent. Fumes were pretty bad. Replaced it with an electric heater that spun the meter off the wall. Decided to try this one. Arrived quickly and no damage. Very attractive and bonus surprise was the wall mount thermostat. Very skilled husband installed it in minimal time. No noise, no fuse. He likes the pilot light. I will have to update in a month and see the difference in the electric bill but I am certain it will pay for itself in record time. March 8, 2016
Rated 1.0 out of 5.0 by Terrible customer service from Williams Purchase this heater a few days ago - ignitor was faulty and pilot light would no stay on so we exchanged. All the while called the 909 number tech support for Williams - no answer and no returned call. Exchanged heater. Pilot light on new one will stay on but when thermostat is raised above 65 degrees, pilot light goes off. Called Williams again - surprised, no answer. We are now waiting for gas company to come see if they can figure it out. Disappointed in these heaters and more disappointed in this company's customer service and tech support. We've spent more on installers and frustration than this thing is worth. Let's hope when the problem is resolved, it actually heats as it's suppose to. Would not recommend because it seems customer service support is non-existent. Maybe if first heater had worked, I would be writing a different review. January 20, 2016
Rated 4.0 out of 5.0 by good frunace The front cover was a little out of square and had to be straightened. January 28, 2016
Rated 3.0 out of 5.0 by Good furnace but.... The furnace is just right for the room it's in. However, Home Depot recommended the wrong propane conversion kit. Furnace sounded like a rocket engine. My installer caught the mistake immediately. The problem is Home Depot doesn't sell the right conversion kit. Had to contact the manufacturer to get the right one. A Williams 2939. Now it works great. December 24, 2015
Rated 5.0 out of 5.0 by Williams Direct Vent Furnace The product works perfectly...easy installation. Recommend a professional install if unfamiliar with gas products. Heats the area even better than expected. An excellent replacement for my previous space heater. December 29, 2015
Rated 4.0 out of 5.0 by Filled my needs I have a room that does not have heat ducts...hence it has a direct vent wall furnace. I checked other sites and did not find what I wanted at a price that I wanted. My brother suggested I look on your website and lo and behold you had exactly what I needed at a price I could live with. I ordered it on line on a Tuesday and got notified that it was ready for pickup on Friday....I couldn't ask for better delivery. Only trouble I had is that the push button ignition does not work and I have to use a stick lighter to light it. But...I had to use a stick lighter to light the old one. October 13, 2015
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