Place Your Order by 1 pm for Same-Day Shipping

Place Your Order by 1 pm for Same-Day Shipping

America's Heating & Cooling Store ®, Est 2002
Free Shipping
Your Location:

14,000 BTU, 76% AFUE, Direct-Vent Wall Furnace, Top Air Outlet, LP, No Electricity Required

14,000 BTU, 76% AFUE, Direct-Vent Wall Furnace, Top Air Outlet, LP, No Electricity Required

Model: Williams 1403821 (Item No. 633638)

Sale
Actual product may vary from photos.

Model: Williams 1403821 (Item No. 633638)

Now $61999

Was: $830.99

Savings: $211.00

Or as low as

The Williams 1403821 (Item No. 633638) is no longer available for sale.
Express Pay Available
highlights

This Williams 14,000 BTU Direct-Vent Wall Furnace, 76% AFUE, LP has some cosmetic damage incurred during shipping. Unit has subtle denting on the front / left side. For detailed photos please click 'See Additional Images' above. This Williams 14,000 BTU Direct-Vent Wall Furnace, 76% AFUE, LP meets the full manufacturer's specifications, comes with the full manufacturer's warranty, and includes Alpine's premium guarantee.

For product specs and photographs of product in its original condition, click here.

IMPORTANT: As of 2019, Williams no longer offers high-altitude models.  If you live above 2000 feet, be sure to purchase the high altitude kit listed in Accessories.  The kit contains a selection of orifices that cover elevations up to 8,000 feet.

 

Attractive styling, economical and safe heating comfort is achieved 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 included. Unit comes from factory set up for LP.

 

Important Safety Notice:  The surface temperature of wall furnaces can exceed 200 degrees Fahrenheit. Avoid touching the furnace while it is in use. If children will be present, provide a physical barrier to prevent accidental contact with the furnace.

Please read this additional Important Safety Notice.

Standard Features

  • No electricity required
  • "Matchless" pilot igniter
  • Easy installation - all vent material included
  • All vent caps include built-in "Bird Guard"
  • Long-life, creamic-coated combustion chamber
  • Automatic temperature and safety controls
  • Sealed combustion chamber requires no room air
  • Attractive, durable, soft-white, scratch-resistant finish

 

Please note: a thermostat does not come with this unit; you can buy the thermostat separately under part number P32662016. Alternately, any standard millivolt thermostat can be used. 

 

Specs
System Information
Base Altitude Range
0-2000 ft.
Fuel Type
Liquid Propane
Ignition Type
Matchless Pilot
Equipment Type
Wall Furnace
Features
Exhaust Venting
Direct-Vent
Efficiency
Efficiency
73 %
Efficiency (% AFUE)
65 %
Performance
Base Heating Capacity
14000 BTU
Effective Heating Capacity (BTUs)
10200
Electrical Information
Electrical Requirements
None (Self-Generating)
Product Dimensions
Width
18 Inches
Depth
7 1/8 Inches
Height
26 3/4 Inches
Product Weight
56 lbs
Important Measurements
Maximum Wall Thickness
24 inches
Warranty
Parts Warranty
1 Years
Combustion Chamber Warranty
10 Years
Certifications
Meets Canadian OEE Standards
No
Accessories

Enjoy free shipping on any accessories purchased with the Williams 1403821 (Item No. 633638).

Air Boosters & Specialty Fans
Tjernlund AS1
Tjernlund AS1
Room-to-Room Ventilator, 120 VAC Hardwired, 75 CFM
$17499
Thermostats
Honeywell TH6110D1005
Honeywell TH6110D1005
FocusPro 6000 Universal Programmable Thermostat - One Stage Heat One Stage Cool (Standard Screen)
$11999
Honeywell TH4110U2005
Honeywell TH4110U2005
T4 Pro Programmable Thermostat with stages up to 1 Heat/1 Cool Conventional Systems
$6999
Reviews
Let's Talk
Get expert assistance from our team
Call our product specialists at: (800) 865-5931
Mon-Fri 7am-7pm, Sat 10am-4pm CT
© Copyright 2002-2025, Alpine Home Air Products
Privacy Policy