Laars & Teledyne-Laars Boiler Manuals, parts lists, wiring diagrams for HVAC equipment:

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

Photo at page top: Laars controller TCM E2344300 showing the controller's dip switches, courtesy of InspectApedia reader Anthony.

Laars / Teledyne-Laars Contact Information

"Teledyne Laars" is an obsolete heating & water heater equipment company name; the company is currently "Laars Heating Systems".

• Contact Laars Heating Systems: Laars Heating Systems Company - U.S. [A subsidiary of Bradford White Corporation], 20 Industrial Way, Rochester NH 03867 USA,
  
  Laars Customer Service Telephone: 800.900.WARM (800.900.9276), option 2,1 
  
  Laars Heating System Parts Service Telephone: 800.900.WARM (800.900.9276), option 4.
  
  Laars Canada Heating Systems Company - Canada: 1869 Sismet Road, Mississauga, Ontario Canada L4W 1W8 Tel: 905-238-0100
  
  Laars Canada Heating Systems Co., 9 Bridgen Gate, Halton Hills, Ontario Canada L7G 0A3 Tel: 905-203-0600
  
  Laars Canada Heating Systems Co., 1869 Sismet Rd., Mississauga, Ontario, Canada LHW 1W8
  
  Website: ww.laars.com Tel: 800-9900-9276
  
  Other Laars Manuals to install, operate, start up or service Laars equipment are provided by the company at
  
  https://www.laars.com/document-downloads/manuals-install-operate-start-up-service
  
  Also see BRADFORD WHITE WATER HEATER AGE & MANUALS for contact information for Bradford White Corporation

• Other (possibly now obsolete) Laars Boiler Co. addresses:
  
  480 S. Service Road West, Oakville, Ontario, Canada L6K 2H4 (416)844-8233 FAX (416) 844-2635
  
  6000 Condor Drive, Moorpark, CA 93021 (805) 529-2000 FAX (805) 529-5934

Laars / Teledyne-Laars Boiler Manuals

• LAARS Endurance EBP EDP EDN BOILER IO MANUAL [PDF] Document 1187D
• LAARS Endurance EBP EDP EDN BOILER PARTS LIST [PDF] Document 1187B
• LAARS MagnaTherm BOILER / WATER HEATER INSTALLATION & OPERATING INSTRUCTIONS [PDF] Document 1276G (not dated), retrieved 2025/10/19,
  Modulating Boiler Models: MGH1600, MGH2000, MGH2500, MGH3000, MGH3500, MGH4000
  Water Heater Models: GV1600, MGV2000, GV2500, MGV3000, MGV3500, MGV4000 - (local copy filed as Laars-1276G-NH2.pdf)
• LAARS MASCOT 1.330 BOILER IO MANUAL [PDF] includes Mascot Boiler Venting Change for the Mascot HT 1.330 & 330 18 May 2009
• LAARS MASCOT II BOILER MANUAL Models LMH LMC [PDF] Document 1230A
• LAARS MINI-THERM RESIDENTIAL GAS-FIRED BOILERS JVH JVS IO MANUAL [PDF] Sizes 50-225, Document 1254B, retrieved 2020/02/27 original source: https://www.laars.com/images/uploads/products/1254C-NH.pdf
• LAARS MINI-THERM RESIDENTIAL GAS FIRED BOILERS JVH JVS USERS INFORMATION MANUAL [PDF] retrieved 2020/02/27 original source: https://www.laars.com/images/uploads/products/1026W-NH.pdf
• LAARS Mini-Therm II RESIDENTIAL GAS FIRED BOILERS JVS, JVT 50-225 IO MANUAL [PDF] Sizes 50-225 retrieved 2020/02/27 original source: https://www.laars.com/images/uploads/products/1025Y-NH.pdf
• LAARS Mini-THerm II JVT & JVS PARTS List & Parts Explosion Diagram [PDF]

Below: the Laars Min-Combo-II Residential Gas-Fired Space/Water Heater boiler

• LAARS Mini-Combo II GAS BOILER/WATER HEATER Models MCT, MCS [PDF] Document 8001F, retrieved 2025/10/19, local copy saved as Laars-8001F-NH.pd

• LAARS Mini-Therm JX RESIDENTIAL GAS BOILER IO MANUAL [PDF] Sizes 50-200 MBTU/h, Document 1478A, retrieved 2025/10/19, local copy saved as Laars-1478A-NH.pdf

 

• LAARS MIGHTY THERM2 BOILER MT2H / WATER HEATER MT2C IO MANUAL [PDF] retrieved 2020/02/27 original source: https://www.laars.com/images/uploads/products/1231D-NH.pdf
  
  See HOT WATER QUANTITY IMPROVEMENT
  

 

• LAARS XL2-XL-3 HEATER MANUAL [PDF] Models DP2000& DP3000, Laars Heaters, Waterpik Technologies, Inc.,
  480 S. Service Road West, Oakville, Ontario, Canada L6K 2H4 (416)844-8233 FAX (416) 844-2635
• TELEDYNE LAARS MODEL JF Mini-Therm OIL FIRED BOILER MANUAL [PDF] Doc. 1045C,
• TELEDYNE LAARS MODEL XL-3OIL HEATER Parts Explosion [image file]

Also branded as Jandy Laars XL-nn oil fired swimming pool heaters.

Also see the extensive collection of Laars Manuals at Boston Heating Supply: https://bostonheatingsupply.com/laarsresidentialmanualsdocuments.aspx (October 2025)

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