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Williams 4505622A

45,000 BTU Floor Furnace, 70% Efficiency, Natural Gas

(7 Reviews)

Have It Installed

Professional installation now available in Ashburn, VA!

  • Free online quotes
  • No home visit
Learn More
In Stock and Ready to Ship. (If ordered by 1 p.m. CST M-F, ships same day. All items on your order must be in stock for same-day shipping.)

Services

Williams floor furnaces use no above-the-floor room space as it unobtrusively and efficiently circulates warm air, and does it without the aid of a blower. These models are fitted with an automatic floor-register grill temperature control and non-electric pilot to ensure continuous heat - even during power outages.

Floor furnaces operate very quietly. These models offer affordable solutions for limited-space floor plans, remodels, remote cabin locations and new construction.

In order to operate on LP gas, a separate conversion kit must be purchased. (Please see the Accessories tab above.) Please read this Important Safety Notice.

Design Features

  • No electricity required
  • "Matchless" pilot ignitor
  • Easy installation
  • Combustion chamber lifts out for easy servicing
  • Long-life and quiet heavy-duty burner
  • Wall-mounted thermostat included
  • Natural and propane gas models (LP Conversion kit available)
  • Automatic temperature and safety controls
  • Resettable vent-limit safety switch

Heating Capacity

The amount of heat, rated in BTUs that the item can produce.

Heating Capacity
45000 BTU
Effective Heating Capacity (BTUs)
31500
Efficiency (% AFUE)

The percentage of energy converted into output by the unit. The remaining percentage is lost during the conversion process. The higher the efficiency, the lower the operational cost.

Efficiency (% AFUE)
57 %
Thermal Efficiency

The percentage of the heat generated by combustion that goes into heating. The remaining percentage goes out the flue. The higher the efficiency rating, the lower the cost of operation.

Thermal Efficiency
70 %
Equipment Type
Floor Furnace
Floor Opening
24.5 W x 32.37 D inches
Flue Pipe Diameter

This refers to the size of the flue pipe needed, and not necessarily the actual connection size on the furnace. Flue diameter is based on length of run and number of elbows used. Please read the installation instructions carefully to ensure correct diameter flue size for your application.

Flue Pipe Diameter
4
Product Weight
147 lbs
Meets CSA Standards

Canadian Standards Association

Meets CSA Standards
Yes
Meets Canadian OEE Standards

Standards established by Canada's Office of Energy Efficiency.

Meets Canadian OEE Standards
No
Width
24 Inches
Depth
32 Inches
Height
28 1/2 Inches
Heat Exchanger Warranty
10 Years
Parts Warranty
1 Years
*Any accessories purchased with the Williams 4505622A, are eligible for free shipping.
DIGITAL THERMOSTATS
Product Image
Honeywell TH6110D1005

FocusPro 6000 Universal Programmable Thermostat - One Stage Heat One Stage Cool (Standard Screen)

$54.99 Qty:
WALL FURNACE LP CONVERSION KITS
Product Image
Williams 8953

LP Gas Conversion Kit for Williams 450 Series Top Air Outlet, Top-Vent Wall Furnace

$46.20 Qty:
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