Winchester 96% Efficiency 2-Stage Var. Speed Multi-Position Gas Furnaces

[tabby title=”Description”]
For excellent comfort control and efficiency, the TM9V Series furnace can be installed in upflow or horizontal applications and can be easily converted for downflow applications.The compact cabinet height of only 33″ makes the unit perfect for basements, closets, attics, garages and commercial applications. The furnace is air conditioning ready with an ECM variable speed blower motor for maximum comfort. All units are factory assembled, wired and tested to assure safe, dependable and economical operation. These furnaces are designed for both residential and commercial installations and make a great choice whether installing as new or replacing an old, inefficient furnace. Not approved for mobile home installation. Not approved for installation in CA per new emissions standards.

10-Year Limited Parts Warranty*
Limited Lifetime Heat Exchanger Warranty

WARNING: Cancer and Reproductive Harm –





*Please Note: To qualify for the extended 10-Year Limited Parts Warranty, the unit must be registered online at within 90 days of purchase for replacement or closing for new home construction. Otherwise, the standard 5-Year Limited Parts Warranty is in effect.

Tech Guide

User Guide

Installation Manual

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Two stage heating operation includes two stage gas valve, two stage inducer operation and variable speed ECM blower operation. Adjustable delay timer allows two stage operation with a single stage thermostat

Natural gas ready, may be field converted to LP Gas (Propane) with optional conversion kit (LP 347)

Multi-positional compact cabinet height of 33 inches

Minimal conversion for downflow application (additional clearance needed for venting)

Control board with high level self-diagnostics and fault code displays to save time on servicing and troubleshooting

Electronic hot surface ignition increases safety and efficiency

ECM variable speed drive for cooling SEER enhancement, improved comfort with optional airflow delay profiles, and continuous fan options for IAQ performance

In-shot burners and sealed combustion for safe, quiet, and efficient operation

Venting applications maybe installed as either 2 pipe sealed combustion or single pipe vent using indoor combustion air with schedule 40 PVC/ABS pipe

High tech tubular aluminized steel primary and stainless steel secondary heat exchangers

Not Certified for Mobile Home use

Certified for use in California

[tabby title=”Sizing Guide”]


You can refer to an estimate or proposal from a local contractor, refer to the size of your existing system that you may want replaced, or use the sizing estimation chart provided on this page. Use the map to determine your Region based on the location of your home. Using the equipment charts, find your Region and go down the column to locate the range that covers the Square Footage of your home. Follow the row to the right to determine the recommended Furnace for your application.



Square Footage of Your Home Furnace Model #
925-1390 1000-1500 1110-1675 1350-2035 1520-2280 TM9V060B12MP11
1390-1850 1500-2000 1675-2235 2035-2700 2280-3040 TM9V080B12MP11
1850-2310 2000-2500 2235-2790 2700-3390 3040-3800 TM9V100C16MP11
2310-2775 2500-3000 2790-3350 3390-4070 3800-4560 TM9V120D20MP11


NOTE: These tables an charts are intended to be used as a guideline only. The information is based on conventional window space (<15%), insulation and building construction. Only use these tables as a reference. When including a finished basement, use 1/2 of the finished basement square footage with the rest of the area being calculated.

[tabby title=”Models & Specs”]
96% AFUE 2-Stage Variable Speed Multi-Positional Gas Furnace Models

Hamilton Model Number 1st Stage BTU Input/Output 2nd Stage BTU Input/Output Dimensions H x W x D (in.) Available Tons Supply Outlet W x D (in.) Ship Wt (lbs.) Energy Guide
TM9V060B12MP11 39,000 / 37,000 60,000 / 58,000 33 x 17.5 x 29.5 2.0 – 3.0 16.375 x 20 122 EnergyGuideIcon2
TM9V080B12MP11 52,000 / 50,000 80,000 / 77,000 33 x 17.5 x 29.5 2.0 – 3.0 16.375 x 20 126 EnergyGuideIcon2
TM9V100C16MP11 65,000 / 62,000 100,000 / 96,000 33 x 21 x 29.5 2.5 – 4.0 19.875 x 20 145 EnergyGuideIcon2
TM9V120D20MP11 78,000 / 75,000 120,000 / 115,000 33 x 24.5 x 29.5 3.5 – 5.0 23.375 x 20 156 EnergyGuideIcon2

*Please Note: 5 Ton/2000 CFM applications require two (2) side air returns.

Optional Furnace Accessories

Item No. Description Weight (lbs.)
LP 347 LP (Propane) Conversion Kit for all Gas Furnaces 1
RA 16 Return Air Drop Assembly (Upflow Applications Only) 50
WKDP 20 Universal Trim to Fit Plenum – 20″ x 20″ x 47″ (for Heat Only Applications) 28
CB 414/514 Combustible Base for 14.5″ Downflow Applications – Heat Only* 8
CB 417/517 Combustible Base for 17.5″ Downflow Applications – Heat Only* 9
CB 421/521 Combustible Base for 21″ Downflow Applications – Heat Only* 10
CB 524 Combustible Base for 24.5″ Downflow Applications – Heat Only* 11

*Please Note: Combustible Base is only required for downflow, heat only applications where the surface is combustible (ex. wood sub-floor).


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