Model # W8M080-317

Internet #202771080

Store SO SKU #1000801211

Winchester 80,000 BTU 80% Multi-Positional Gas Furnace


80,000 BTU 80% Multi-Positional Gas Furnace

  • 80,000 BTU natural gas, maintenance free, electronic ignition
  • Product sold without installation or permitting
  • Equipment should be sized/installed by a qualified professional
$102330 /each
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Product Overview

Ideal for new or replacement residential or commercial installations. The W8M Series 80% efficiency multi-positional gas furnaces have a 33 in. tall cabinet and are designed for installation in up-flow, down-flow, and horizontal applications. These single stage furnaces are natural gas ready and convertible to proane (LP Gas) with the optional LP 347 conversion kit. The units are factory shipped for installation in up-flow and horizontal applications and can be easily converted for down-flow applications. All units are classified for Category I venting and may be common vented with another gas appliance as allowed by the National Fuel Gas Code. Features an electronic hot surface igniter for increased safety and efficiency, and adjustable speed maintenance free direct drive blower that never needs lubrication, and self diagnostic control module to monitor operation. The heat exchanger is constructed of tubular aluminized steel. Units are factory assembled, wired and tested to assure safe dependable and economic installation and operation. NOTE: Requires 1/2 in. input to gas valve, dedicated circuit breaker, and 120V wiring with proper polarity and ground. 5 year limited parts warranty; 20 year limited heat exchanger warranty, 10 year heat exchanger warranty on commercial applications. Dimensions: 33 in. H x 17.5 in. W x 29.5 in. D. Available in 40K, 60K, 80K, 100K, and 120K BTU Input.

  • Natural gas ready and may be converted to LP gas with optional conversions kit
  • Multi-positional design with compact cabinet height of 33 in. for flexible installation
  • Electronic hot surface ignition for increased efficiency and safety
  • Maintenance-free, multi-speed, permanently lubricated direct-drive blower motor
  • Built-in, high level self diagnostics with fault code displays standard on integrated control module for reliable operation
  • Equipment should be sized, selected and installed by a qualified professional to ensure proper installation, safe operation, adherence to federal, state and local codes and for valid warranty; see installation guide for more details
  • Professional installation recommended
  • Click here for more information
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 60,000 BTU 80% Multi-Positional Gas Furnace 80,000 BTU 80% Multi-Positional Gas Furnace 100,000 BTU 80% Multi-Positional Gas Furnace 80,000 BTU 95.5 Multi-Positional Gas Furnace
Brand Winchester Winchester Winchester Winchester
Ratings (5) (3) (2) (7)
Annual Fuel Utilization Efficiency (AFUE) (%) 80.0 80.0 80.0 95.5
Heat rating (BTU/hour) 60000 64000.0 80000.0 78000
Power/Fuel Type Natural Gas Natural Gas Natural Gas Natural Gas
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Product Depth (in.)
Product Height (in.)
Product Width (in.)


Annual Fuel Utilization Efficiency (AFUE) (%)
Energy Consumption (kWh/year)
Fuel Gauge
Gas or Electric
Heat rating (BTU/hour)
Heating Product Type
Forced Air Furnace
Heating Technology Type
Number of Blower Speeds
4 or More
Power/Fuel Type
Natural Gas
Product Weight (lb.)

Warranty / Certifications

Certifications and Listings
CSA Listed
Manufacturer Warranty
5 Years - Limited on parts / 20 Year - Limited on heat exchanger

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Customer Questions & Answers

Is this the right btu for 1700 sq ft

Cold climate / insulation is ok/ 2 story home
Asked by: Doc
if your furnace is 20 years old or older and is 100,000 btu. Todays 80,000 btu is about the same
Date published: 2017-05-23

I am interested in this unit, but it is not shipped to CA. Do you know what is the reason? Thanks.

I am interested in this unit, but it is not shipped to CA. Do you know what is the reason? Thanks.
Asked by: furnace
Due to new emissions standards in some locations in CA, and possible fines associated if equipment does not meet the standard, the equipment is not available. We are sorry for the inconvenience.
Answered by: HHP Tech Support
Date published: 2017-04-03

Does homedepot install furnaces?

Asked by: abe
Home Depot employees do not do installations. However, each Home Depot has a list of qualified and recommended contractors to install almost everything they sell at competitive local pricing. Stop in or call your local Home Depot to discuss your installation needs with a Home Depot Associate.
Answered by: jsn4085
Date published: 2017-03-11

What size plenum and return box does this unit need?

Asked by: Bsting
To answer your questions, we need to know whether the furnace will be installed in an upflow, downflow, or horizontal application, and if this is for heat only or with air conditioning. Based on a heat only, upflow application, the model RA 16 return air drop assembly can be installed on either the right or left side of the furnace. Here is the link to have a look at the RA 16: The supply outlet opening of the furnace measures 16 3/8 in. W x 20 in. D. A heat only plenum would have that inside measurement and 1/2 in. flange to attach to the top of the furnace. If you'd like to discuss sizing, the application, or have specific technical questions, please give us a call at 800-879-0123.
Answered by: HHP Tech Support
Date published: 2016-12-03
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Customer Reviews

80,000 BTU 80% Multi-Positional Gas Furnace is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Good product easy to install... Good product easy to install
Date published: 2017-04-27
Rated 5 out of 5 by from Works perfect. Started right up and warmed. Installed it myself while a local sheet metal shop made my plenums. Ran the gas line and electrical myself as well. Does what I bought it to do.
Date published: 2014-01-11
Rated 5 out of 5 by from nice product Nice product just need to access the parts if necessary instead of ordering them
Date published: 2014-05-20
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