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Brands T - Z

Manuals, parts lists, wiring diagrams for HVAC equipment:

Free downloadable manuals for Air Conditioners, Boilers, Furnaces, Heat Pumps.

Here we provide free downloadable copies of installation and service manuals for heating, heat pump, and air conditioning equipment, or contact information for the manufacturers who can provide that information for nearly all major brands of HVAC equipment.

Our sample parts illustration above is for a Lennox air handler.

We include links to contact information for each manufacturer or producer of these air conditioners, heat pumps, furnaces, boilers and related equipment, parts, and installation, repair, wiring diagrams, manuals.

We include immediate downloads of example installation & repair manuals and wiring diagrams for air conditioners, heat pumps, and heating equipment from a variety of manufacturers as well as contact information to obtain the exact manual or wiring diagram for your unit.

InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website.

- Daniel Friedman, Publisher/Editor/Author - See WHO ARE WE?

Heaters, Furnaces, Air Conditioners, Furnaces, Boilers: parts, manuals, help, Group 4, Brands T-Z

Wiring diagram for Sears window air conditionre - exampleFree Furnace, Heat Pump, Air Conditioner Installation & Service Manuals, Wiring Diagrams, Parts Lists

Below we provide HVAC manufacturer contact information and direct links to free downloadable installation, service, and users manuals, focusing on hard-to-find manuals for older models or discontinued equipment.

We also provide links to the manufacturer's current model lists and literature.

Our sample wiring diagram just above is for a Sears window air conditioner.

Note: for page loading speed this index to HVAC manuals is spread across several pages, but all of the individual companies are listed in this HVAC MANUALS MASTER INDEX

Velocity Pantom-XL boiler cited & discussed at InspectApedia.com

Windsor Furnace, illustrated at InspectApedia.com

Note: for page loading speed this index to HVAC manuals is spread across several pages, but all of the individual companies are listed in this HVAC MANUALS MASTER INDEX

Before paying for a furnace or boiler or air conditioner manual, see if it is already listed here or at the manufacturer's website.

If you have trouble finding a mechanical system installation or service manual, CONTACT US and we will research it for you at no charge.

Also see MANUALS for HEATING & A/C SYSTEM CONTROLS for a list of free downloadable PDF files of common heating system controls used on boilers, furnaces, heat pumps.

HVAC data tag decoding: For help in decoding air conditioner, boiler, furnace, heat pump, water heater data tags and determining the age, model, or specifications of that equipment, see

In those articles we provide documents with extensive equipment data tag decoding information, both free, and for purchase from other sources.

AtReferences or Citations we provide more contact information, links to current model list information, product specifications, and installation/operation manuals for each manufacturer.

Free Furnace, Heat Pump, Air Conditioner Installation & Service Manuals, Wiring Diagrams, Parts Lists

Below we provide HVAC manufacturer contact information and direct links to free downloadable installation, service, and users manuals, focusing on hard-to-find manuals for older models or discontinued equipment. We also provide links to the manufacturer's current model lists and literature.

Note: for page loading speed this index to HVAC manuals is spread across several pages, but all of the individual companies are listed in this index found at the start or end of each index page. See our

MANUALS & PARTS GUIDES - HVAC and some other appliances - home, Master Index

Before paying for a furnace or boiler or air conditioner manual, see if it is already listed here or at the manufacturer's website. If you have trouble finding a mechanical system installation or service manual, Contact Us and we will research it for you at no charge.

Also see MANUALS for HEATING & A/C SYSTEM CONTROLS for a list of free downloadable PDF files of common heating system controls used on boilers, furnaces, heat pumps.

HVAC data tag decoding: For help in decoding air conditioner, boiler, furnace, heat pump, water heater data tags and determining the age, model, or specifications of that equipment, see

In those articles we provide documents with extensive equipment data tag decoding information, both free, and for purchase from other sources.

AtReferences or Citations we provide more contact information, links to current model list information, product specifications, and installation/operation manuals for each manufacturer.

Watch out:  you might successfully find parts, manuals, wiring diagrams for Sears (at left), Singer or other HVAC equipment brands by searching for "Companyname Parts" online.

But keep in mind that the "Companyname Parts" provider that appears might have nothing to do with the original company, name, or brand. It's worth a call to be sure that the part number or manual are ordering is really for the equipment that you are repairing or servicing. And as we just noted above, usually you can get the information you need from the manufacturer, for free.

If your HVAC equipment is older and is one of the brands whose name has a complex history, and if you can determine the year of manufacture of your equipment it will assist you in tracking down which company is most likely to currently stock parts or manuals for that product.

To determine the age of your equipment, see AGE of AIR CONDITIONERS & HEAT PUMPS or AGE of HEATERS, BOILERS, FURNACES.

Tappan HVAC Equipment: Tappan Heating & Air Conditioning Manuals & Parts

Unlike some of the other HVAC manufacturers and suppliers listed here, Tappan, a Nortek Global brand, does not make it easy to find the company address, nor telephone number (though we provide those below) nor email, nor online downloads for manuals for their air conditioners, heat pumps or furnaces. The company has a wide product line, and at least the Tappan company's website (Nortek Global HVAC LLC) offers a contact page.

TAPPAN: Became SJC Corp. in 1979 with name Frigiking Tappan. In 1982, SJC sold Janitrol line to Goodman Mfg. Tappan name revived by Nordyne in 1998 under license from White-Westinghouse.

Tecumseh Products Company - HVAC Compressors & Condenser Units

Tecumseh compressor & condenser model number decoder (C) InspectApedia.com

Tecumseh Products Co., produces HVAC condensing units, reciprocating compressors, rotary compressors, scroll compressors used in air conditioners and heat pumps and other refrigeration equipment.

Tecumseh Product Designation Codes

The Tecumseh product designation or model identification code given as the model number on the unit data tag or data plate is a character string that provides information about the product type, features and capacity.

Tecumseh Service Guides & Manuals

Tecumseh Reciprocating Compressor Model AW5513B-NA3G at InspectApedia.com

Illustration: Tecumseh's Reciprocating Compressor, Model AW5513B-NA3G

 

Texaco Oil Burners & Heating Equipment

Texaco Fuel Chief Heater Bloomsburg PA (C) Inspectapedia Curtis

Looking for a manual for a Texaco Fuel Chief heater with Powrmatic sticker

Looking for any information on a green Texaco Fuel Chief suspended/hanging cabinet heating unit.

Texaco Fuel Chief logon on an oil burner Heater Bloomsburg PA (C) Inspectapedia Curtis

It has a PowRmatic uh-140 sticker at the back of the cabinet and a red Texaco Fuel Cheif model "TFR" MP 2256 burner.

Texaco Fuel Chief oil burner fire marshal label (C) Inspectapedia Curtis

It has fire marshal inspection sticker dated 3/27/74 shown above. Below: Side view of the Texaco oil burner.

Webster Electric two stage fuel unit on a Texaco oil burner (C) InspectApedia.com

Thank you in advance for any information as I have found very little.

Texaco Fuel Chief Heater Bloomsburg PA (C) Inspectapedia Curtis

The lines are currently cut to it but I believe it runs. It is located in Bloomsburg, Pennsylvania USA. The garage was built early 70s. - On 2021-08-19 by Curtis Harner -

Moderator Reply: who made Texaco oil burners?

While the Texaco Oil and gas stations were a US Wide oil company oil burners made under that brand were produced by other oil burner manufacturers and re-branded with the Texaco label.

Texaco oil burner (C) InspectApedia.com

Above: a Webster Electric two stage fuel unit (oil pump) on this Texaco oil burner. Notice that this is a fairly modern fuel unit as it's a 3450 rpm unit.

Above: Texaco Fuel Chief Model TFR High Speed oil burner with a flame retention burner, label giving the recommended oil burner nozzle sizes.

Texaco, founded as the Texas Fuel Co. in Beaumont Texas in 1902 after oil was discovered at the spindletop well. An oil drilling company (Producers Oil Co.) was formed as an affiliate. Texas Fuel and Producers Oil merged to become Texaco, later expanding to absorb other oil companies such as Indian.

In 2000 Texaco was purchased by Chevron Corporation, in a transaction completed in the following year - 2001. Some of Texaco's interests in other rands (Equilon & Motiva) were sold to Shell Oil Co.

The oil fired equipment illustrated above lists

Texaco Unit Heaters and Texaco oil burners and other heating equipment like unit heaters, furnaces, boilers, were manufactured by other companies including:

Identify the Powermatic Oil Heater with a Texaco Oil Burner

My brother sent me this photo until I get home from work to get more.

If it's hard to read here's what I can make of it.

PowRmatic Oil-Fired Heating Unit
Model UH 140. 115/1/60 HZ
Input 1/? GPH. BTU. 140,000
Overall Raying 12 amps or less
Manufactured by PowRmatic Inc.
Finksburg, MD
Underwriters Labratories iInc.
Oil-Fired Unit Heater No. P 1004?

Underwriters Laboratories label on a Texaco Powermatic oiul burner (C) InspectApedia.com Curtis Harner

On 2021-08-19 by Curtis Harner -

by Moderator

Nice - actually impressive that this burner has performed well for so long. It would be helpful to see a sharp photo of the burner and equipment and closer photos of any data tags.

See details about PowrMatic or PowerMatic

at POWERMATIC HEATERS

"Texaco" the oil company, didn't actually manufacture oil burners.

Your Texaco TFR oil burner is a re-branded Beckett AF model oil burner for which we provide IO and service manuals

at BECKETT OIL BURNERS & CONTROLS

Also see TEXACO OIL HEATERS

There are, on occasion, spare parts and burner kits sold by online vendors for the TEXACO TFR-3 oil burner like the one in your photo.

Is my old Texaco oil burner or my PowrMatic unit heater valuable?

Wow thank you for all of this. Very interesting indeed. I could not find even half of the info you've provided. I will be home in about 2 hours and will get those pictures for you. Thank you again.

Very cool history behind all of this. Also I believe it is still operating but imagine would need a tune up.

Would you know if this has any monetary value? Don't think I'd ever sell it but you never know. On 2021-08-20 by Curtis Harner -

by Moderator

Can't say much about value, but the photos of old equipment and service tips and manuals are often helpful to other readers.

Those old burners, yours is probably what we call a "slow speed" using a1725 RPM motor, were ultimately replaced on otherwise serviceable boiler or furnaces with newer high-speed (3450 rpm) motors and burners, requiring of course more careful tuning and adjustment. So most of the old boys are gone now.

But if the boiler isn't cracked or holed, it's usually possible to clean and service an older low-speed burner.

 

Texas Furnace Company (AllStyle Coil Company)

 

Therma-Flo Water Heaters

Boiling water noise diagnosis at ThermaFlow Everhot water heater

I have a ThermaFlow everhot tankless all copper water heater. It sounds like there is boiling water inside the tank.

Could there be a leak inside? Is this normal? Thanks, On 2019-10-15 by George

by (mod) - not normal, here are some things to check

George,

If the heater were boiling water it'd be at 212F (more or less) and you'd sure know that at the hot water tap.

A common cause of the clanking and burbling "boiling water" sound in water heaters is scale formed on the heater's bottom and perhaps other internal surfaces.

See our discussion of heater scale and its removal and prevention in a series of articles beginning at

WATER HEATER NOISE

Also see OIL BURNER CLANKING RATTLING NOISE

For other readers: ThermaFlow makes water heaters, not building heating boilers. So we are not considering the noise made by air in hydronic heating system boilers or pipes.

 

 

Thermco Energy Systems Water Source Heat Pumps


Titus HVAC

Torridheet

TORRIDHEET: Last listed in 1972.

Toshiba Air Conditioners

Triangle Tube Heating Equipment Manuals & Contact Information


Unico Electric Furnaces

Unigas Oil Burners

Unitary Products Group HVAC Equiment Manuals & Contact Information

Unitary Products Boiler Data Tag (C) InspectApedia.com

The U.S. Unitary Products Group (website http://www.upgnet.com/site/welcome.asp ) markets air conditioning and heat pump equipment under the following brands:

United Technologies, UTC Climate, Contols, & Security

United Technolgies, or UTC, is a conglomerate corporation based in Connecticut in the U.S. that includes also Otis, Pratt Whitney, Sikorsky, UTC Aerospace Systems, and UTC Climate, Controls & Security

United Technologies, UTC Climate, Contols, & Security
US/Canada Customer Service Carrier Customer Relations
P.O. 4808, Carrier Parkway
Syracuse, N.Y. 13221
United States
1.800.CARRIER (1.800.227.7437)

UTC Corporate Headquarters
United Technologies Corporation
United Technologies Building
Hartford, CT 06101

(860) 728-7000

Website: http://www.utc.com

ICP International Comfort Products, owns or distrubutes Arcoaire, Comfortmaker, Day&Night, Heil, KeepRite and Tempstar HVAC equipment.

ICP, International Comfort Products website: http://www.icpusa.com/
ICP is in turn, is part of

UTC Climate, Controls & Security at https://www.ccs.utc.com/ccs/en/worldwide/contact-us/
UTC in turn is a unit of

United Technologies Corp.

UTC United Tecnologies HVAC Age Decoder

UTC or United Technologies HVAC equipment manufacturing date is usually encoded in the serial number


YYWW567890

or in the serial number format

XYYWW56790

(ignore the first alphabetic character, pick up the first four numeric digits, and decode them as YYWW as we illustrate here.

Use the first four numeric digits that form YYWW where YY is year of manufacture and WW is week of manufacture in that year.

The remaining numeric digits, usually 5, form a unique serial numer or manufacturing sequence number of the equipment.

This same manufacturing date encoding appears in most HVAC equipment distributed under the ICP brands of:

Arcoaire, Comfortmaker, Heil, ICP, International Comfort Products, Inter-City Products, Keeprite, Tempstar, and UTC, United Technologies Inc.,

UTC HVAC Manuals

See these brands and equipment information sources for product manuals, starting at ICP given below:

Utica Boilers - contact information

Utica Boilers P.O. Box 4729 Utica, NY 13504-4729 USA Fax: (315) 797-3762 Homeowner Assistance Call: 866-847-6656 Wholesaler & Contractor Customer or Tech Support Call: 800-325-5479

Utica provides a useful document - Utica Radiation Tables - that allows a homeowner or heating service technician to determine the heat output of a traditional cast iron radiator, measured in square feet of radiation for column, tube, and wall-type heating radiators.

 

Utica heating gas boiler, m/n uh15b096fvn - On 2015-02-26 by TONY

Looking for info on 1950's Utica boilers - On 2015-04-02 y John

 

Venmar HRVs and ERVs Heat Recovery & Energy Recovery Ventilators

Viessmann Manufacturing Co. Vitrodens & Vitola Boiler Manuals

(Sometimes mis-spelled as Veissman Boiler Co. as you'll see in our reader question below.)

Veissman or Viessman or Viessmann boiler serial number age decoder

How can I tell how old a Veissman AR Serial number 18595741 is? On 2015-01-25 by Anonymous

More recent Viessman boiler age coding in the serial number: XXXYYWWZZZ

Older Viessman boiler age format in the S/N: YY123456

Really? We haven't found that all Viessman boiler data tag serial numbers are easily decoded, so you may need to contact the company directly.

Happily Viessmann U.S. provides this

VIESSMANN SERIAL NUMBER LOOKUP [Website at Viessmann] for all Viessmann products including the company's boilers and water heaters and collar collectors - 2025/12/06

 

Velocity Boiler Works / Velocity Boiler Manuials

 

Warden King Boilers - history, age, photos

Warden cast iron boiler with a FLame-Master gas burner. The boiler appears to be covered with asbestos. (C) InspectApedia.com Star

Photo above: a Warden King cast iron boiler (Warden King Boiler ?) with a Flame-Master gas burner. The boiler appears to be covered with asbestos.

In its original installation this Warden King boiler was a coal-fired heater. The top cover was opened to clean the heat exchanger portion of the boiler, the middle chamber was the original combustion chamber, and the bottom chamber was originally where coal ash could be removed from the boiler.

This particular boiler, converted to a natural gas burner, is discussed at WATER FEEDER VALVE / PRESSURE-REDUCER FAQs while other Warden King boilers were also converted to burn heating oil or diesel oil.

Below: a Warden King coal grate shaker and the bottom boiler ash pit, excerpted from a outube video "Viking Junior hand fired coal furnace alternative ways to heat on the cheap" by Keto. https://www.youtube.com/watch?v=GCxgVEmU2Zc

Warden King cast iron coal boiler, coal grate shaker at Keto's youtube video, cited & discussed at InspectApedia.com

...

Warden King cast iron coal boiler, coal grate at Keto's youtube video, cited & discussed at InspectApedia.com

Warden King Boiler History - the "Grand Old Name in Heating"

Rogers & King produced cast iron produucts, originally making cast iron building railings and potash kettles. Popular names included the Warden King Viking boiler series, Spence's Hot water boiler (1874), and Daisy Stoves.

1852 The St. Mary Foundry, bankrupt, had its tools sold auction and the foundry was then leased by its foreman, George Rogers, and Warden King, from Montreal, forming the Rogers and King Co.

1855 The original St. Mary Foundry lease expired, leading Rogers and King to move their foundry to Craig Street in Montreal.

1856, Rogers & King foundry opened at 85 Craig St. in Montreal, Canada.

The foundry made cast iron products including potash kettles, shugar coolers, and in a completely different direction, cast iorn railings and circular stairways. The company went on to produce heating boilers, stoves, and cast iron waste piping.

1866 Rogers & King produced their first heating boiler the "Beehive".

1867 the company name was changed to Warden King, officially registerd in 1867 as a manufacturer of cast iron boilers, pipes, radiators and other products in Montreal, Canada.

1870 in response to reports of the hazards of steam boiler explosions Warden King touts their boilers as completely safe. Example research:

1886 Warden King released the Daisy heating boiler sold in Australia, Canada, France, Germany, Great Britain, South Africa, and the U.S. In an era of growing concerns for steam boiler explosions, King advertised their boilers as "as harmless as the tea kettle on the kitchen stove".

The HARTFORD LOOP [Article at InspectApedia.com] which proved the best solution to preventing steam boiler explosions was not found on steam boilers for another 49 years, prevented water loss and drastically reduced boiler explosions

1887 Rogers & King Co. name changed to Warden King and Warden's son James Cochrane King entered the business.

1888 Warden King was named Warden King & Son honoring James Cochrane King, Warden King's son. (Warden King passed away in 1895.)

1907 Warden King & Son Ltd. federally chartered in Quebec; James Cochrane King was president; The company also produced cast iron waste piping. The company moved its operations to Maisonneuve and while the company continued to produce heating boilers and stoves, its business focused on cast iron wastepipe.

1926 Warden King Ltd. was purchased by Crane Limited. Originally a U.S. company, Crane Co.'s Canadian operations had been operating in Winnipeg, Manitoba since 1906, producing boielrs, radiators, and other plumbing components.

1940s Warden King still in business, including production of the Warden King Viking Junior boiler.

1980s Warden King boilers continue to be produced and sold by Crane, such as the Warden King Viking Junior multi-section cast iorn boiler still providing either steam or hot water heat.

2008 Crane was bought by American Standard;

2022 Crane Supply the company's distribution/sales arm, was bought by the Deschenes Group

- Original source: Western University Libraries - http://www.lib.uwo.ca/programs/companyinformationcanada/ccc-wardenking.html (dead link in 2025)

How old is my Warden King Ltd. Steam Boiler

Could you tell me approx how old this boiler is from info below: Thanks. I want to know if it is time to change, how old is this boiler and is it at the end of its life.
Montreal Que Canada - On 2018-10-02 by howard

Warden King Limited
Max. W.P. LBS
Steam15
Water 30

Number on boiler 3-28-A3

by (mod) - Warden King Limited boiler

John,

I'm only guessing but your boiler may be from 1928.

Look for a data tag with more nformation on your heating system. You can usually see the brand, the model, and if the date of manufacture isn't right on the tag it will be encoded in the serial number.

The size of the unit or heating capacity in input and output BTUs per hour will also be given.

 

Waterbury

WATERBURY: Last listed in 1962. [citations needed]

See WATERBURY FURNACE CATALOG 1950 [PDF] for examples of Waterbury heating equipment

Wayne Oil Burners

see OIL BURNER MANUALS

 

Waterford Stanley Boilers, Cookers, Heaters

Stanley oil (kerosene) fired cooker Manual, cited & discussed at InspectApedia.comPhoto: a reconditioned Stanley Super Star from GMH, solid fuel heating cooker. The vendor, GMH Cookers in New Zealand notes that the oil boiler can support up to 12 heating radiators.

Contact & References for Stanley Cookers & Boilers

See also Oil (Kerosene) Fired Cooktop Range Troubleshooting & Repair - at

OIL & SOLID FUEL COOKERS / HEATERS

 

 

 

Westinghouse

In 1981, sold to Borg-Warner [ who own the York brand]. Along with the Westinghouse brand were included these brand names: Moncrief, Luxaire, Fraser-Johnston all now used by York International.

How old is my Westinghouse appliance?

how old? Westinghouse serial # h147546 model 4866-sg2 On 2014-12-28 by jd

Reply by (mod)

JD, it would be helpful to know what kind of appliance we're evaluating, as serial numbers and data tags and their decoding varies widely.

Without a shred of information it's a challenging question. For example, Westinghouse made a ceiling fan and a porch light, and a lawnmower as well as a halogen bulb using the same number as your Westinghouse item.

Also we can improve our guess by contextual information. For example if your appliance could date from teh 1940s then I'd guess it was a 1946 or 1947 item. Or from the 1960s, a 1975 item.

Westinghouse LP Combi unit hot water problems

We just installed a Westinghouse LP Combi unit. It's been working just fine for the past several days. However, this morning we tried to draw DHW and it was not hot. We went to look at the unit and it said ER16.

We have tried all the troubleshooting listed and more but cannot get it to work properly. Any help would be appreciated. Thank you.

Er:16 Operating Temperature Sensor detects Water

Temperature Greater than 203o F (95 oC) Press the Power button to clear the Error Code.

If Error happens again:

1. Check if dip switch High Fire setting is ON. Switches 6 and 7 should be OFF for normal operation.

2. Check if CH inlet pipe is blocked. Ensure there is enough water flowing to the appliance.

3. Check Operating Temperature sensor at CH heat exchanger outlet. If resistance is zero, replace the sensor.

4. If the problem persists, replace the main control. (Oct 1, 2016) Barb said:

Reply:

Barb, before attempting to replace the control - as the instructions suggest - I'd ask for help from a trained service tech.

She might see something that you didn't, and she might also review the safety of the system.

 

Westpointe Air Conditioner Manuals

Whirlpool Home Cooling & Heating System Manuals

WHIRLPOOL: In 1972 became Whirlpool Div. of Heil-Quaker, a subsidiary of Whirlpool Corp. The Tempstar name replaced Whirlpool after Inter-City Gas Co. bought Heil-Quaker in 1986. See Heil-Quaker.

...


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Reader Comments, Questions & Answers About The Article Above

Below you will find questions and answers previously posted on this page at its page bottom reader comment box.

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs

On 2021-01-11 by DENNIS

How old is the whirlpool heat pump model# acf124xsc serial# QT1208392

 

White Rodgers Controls - Emerson White Rodgers

Moved to WHITE RODGERS CONTROLS & MANUALS - all

Witt HVAC

On 2020-03-31 - by (mod) - Witt HVAC

Chris,

If you give me a model number I'll see what we can find.

Also you can contact Witt directly

Witt Office Main
201 Thomas French Drive
Scottsboro, AL 35769-7405
Phone: 1-800-288-9488
Parts
Phone: 1-855-HTPARTS (1-855-487-2787)
Email: parts@htpg.com

On 2020-03-31 by Chris Manuel

Need a wiring diagram for a Witt condenser skid.

 

Worthington HVAC

WORTHINGTON: Became Mueller Climatrol in 1970 after being acquired by Fedders.


...

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MANUALS & PARTS GUIDES - HVAC Brands T-Z at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.


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INDEX to RELATED ARTICLES: ARTICLE INDEX to HEATING SYSTEMS

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