FT301/399
Importance of Combustion Analysis and Proper Set Up and Adjustments on all Heating Equipment !
Importance of Combustion Analysis and Proper Set Up and Adjustments on all Heating Equipment! All heating equipment manufacturers REQUIRE proper combustion set up, adjustments and readings utilizing a properly calibrated combustion analyzer . LAARS ...
Recommended Boiler Pump for Laars Mascot FT 301 & 399
Recommended Boiler Pump for Laars Mascot FT 301 & 399 For optimal performance with the Laars Mascot FT 301 and 399 boilers, Rathe Associates recommends using the following Armstrong circulator pumps: ✅ Recommended Armstrong Pumps: Laars Mascot FT ...
25-11 FT Series 301-399 Accessories
LAARS FT 301/399 We are pleased to announce that we now offer a BACnet gateway kit and common vent kits for the FT Series 301-399 boilers. The gateway can be used with BACnet MS/TP, BACnet IP, Modbus TCP and Metasys N2 protocols. Up to four boilers ...
LAARS MFTCW, MFTHW, FTCF, FTHF- 80, 100, 140, 199 Internal Pump Noise -Harmonic Noise
LAARS MFTCW, MFTHW, FTCF , FTHF-80,000, 100,000, 140,000. 199,000 BTU's. A "HARMONIC", "HUMMING" noise may be noticed when the internal primary/secondary pump is running. This noise can radiate/disperse thru out the home and can be very annoying, ...
Clearing existing error codes on LAARS FTCW, FTHW,FTCF,FTHF during NEW INSTALLATION
It has been noticed that during a few NEW installations of LAARS FTCW,FTHW,FTCF,FTHF (ALL SIZES AND MODELS) there may be existing error codes from manufacturing that were not cleared at the factory prior to boxing the unit. These existing error codes ...
LAARS MFTCW, MFTHW, FTCF, FTHF Won't achieve HIGH Temperature. Boiler won't go into high fire.
An Outdoor Temperature Reset Supplied with the Boiler MUST MUST MUST be used. The D.O.E (department of energy) regulations regarding outdoor temp. reset DOES affect this boiler in most all serial # date of manufacturer #'s ! It has been noted that ...
LAARS/Bradford White FT Models Circuit Boards with FT# and R# (current 11/2024)
LAARS/BRADFORD WHITE FT Circuit Board Part #'s with FT #'s and R#'s. ALL Models and Sizes. MFTCW140NA1XN Generation 1-Serial # F15000000-F18000308 COMBI WALL 140 CURRENT # MODEL # OLD # PREVIOUS # R2080601 MFTCW140 FT1900 FT1900 *SET DIP SWITCHES FOR ...
LAARS FT Series WALL and FLOOR All models and sizes default temperatures
It has been noticed and we have been alerted that the parameters for CH HIGH and CH LOW , MAY now be factory defaulted as 130F high and 86F low. In any case be sure to go thru the parameters and check BOTH HIGH and LOW limit on CH AND DHW on all ...
LAARS LT199NXX1/LT199PXX1 Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING PARTS No. Description Part Number 1 Exhaust Vent Duct Assembly ST1224 1-1 Exhaust Vent Cap Assembly ST1225 1-2 Exhaust and Intake Packing ST1190 O-75 O-Ring P75 (10 pcs.) ST1244 O-7 O-Ring P7 (10 pcs.) ...
LAARS FTHW199 Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING ASSEMBLY No. Description Part Number P-3 3/8” Packing FT3062 7 Vent Pipe Collar Assembly FT3015 7-1 Stainless band (Ø100) FT1603 7-2 Packing FT1604 7-3 3-inch Vent Pipe Collar FT3016 7-4 O-Ring P75 ...
LAARS FTHW140 Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING ASSEMBLY No. Description Part Number P-3 3/8” Packing FT3062 7 Vent Pipe Collar Assembly FT3015 7-1 Stainless band (Ø100) FT1603 7-2 Packing FT1604 7-3 3-inch Vent Pipe Collar FT3016 7-4 O-Ring P75 ...
LAARS FTHW100 Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING PARTS No. Description Part Number P-3 3/8” Packing FT3062 7 Vent Pipe Collar Assembly FT3015 7-1 Stainless band (Ø100) FT1603 7-2 Packing FT1604 7-3 3 inch Vent Pipe Collar FT3016 7-4 O-Ring P75 FT1609 ...
LAARS FTCW199 Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING ASSEMBLY No. Description Part Number O-6 O-Ring P6 FT2092 15 Vent Pipe Collar Ass’y FT3015 15-1 Stainless band (Ø100) FT1603 15-2 Packing FT1604 15-3 3 inch Vent Pipe Collar FT3016 15-4 O-Ring P75 FT1609 ...
LAARS FTCW140 Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING ASSEMBLY No. Description Part Number O-6 O-Ring P6 FT2092 15 Vent Pipe Collar Ass’y FT3015 15-1 Stainless band (Ø100) FT1603 15-2 Packing FT1604 15-3 3 inch Vent Pipe Collar FT3016 15-4 O-Ring P75 FT1609 ...
LAARS FTHF199N Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING ASSEMBLY No. Description Part Number 1 Air Intake Collar Ass’y (filter type) FT3010 1-1 Stainless Band (199 Only) FT1603 1-2 Packing FT1604 1-3 3-inch Air Intake Collar FT3011 1-4 Air Filter FT3012 1-5 ...
LAARS FTCF199N Parts List and Exploded View
Commonly Ordered Parts and Parts Number CASING PARTS AND ASSEMBLY No. Description Part Number 1 Air Intake Collar Ass’y (filter type) FT3010 1-1 Stainless Band (199 Only) FT1603 1-2 Packing FT1604 1-3 3-inch Air Intake Collar FT3011 1-4 Air Filter ...
LAARS FT Series Boiler Integration with Google Nest Thermostats.
LAARS FT Series Integration with Google Nest Thermostats. Attached is the wiring diagram for Google NEST Thermostat with Laars FTHW, FTCW, FTHF wall hung and floor boilers. *Please note that the FTHW and the FTHW DO NOT HAVE 24v output terminals ...
Laars FT Series Boiler Integration with Ecobee® Smart Thermostat
Attached is the wiring diagram for Ecobee Smart Thermostat with Laars FTHW, FTCW, FTHF wall hung and floor boilers. *Please note that the FTHW and the FTHW DO NOT HAVE 24v output terminals wherein the FTHF DOES have 24v output terminals to power the ...
LAARS LT Water Heater
Laars is excited to announce the expansion of its residential water heating product offering with the LT Series tankless condensing water heater. The LT Series is the Next Level in Tankless Innovation! The LT Series is offered in standard and ...
LAARS LT Water Heater Features and Accessories
The LT Series tankless gas water heaters have proven to be reliable and durable products in residential and commercial applications. Laars Heating Systems remains focused on offering high-quality products and services to support the needs of our ...
LAARS FTCW , FTHW -ERROR 40 (gas leak detected)
ERROR 40 (gas leak detected) error code comes on to screen of LAARS FTCW , FTHW (seen on 199 so far BUT all sizes might be affected ) . As of right now we believe the serial # range is 2022-2023 but could possibly be more. The boiler will be in a ...
LAARS MFTHW DHW Priority with an Indirect Tank and Zone Panel
ATTACHED is a SAMPLE wiring diagram for wiring a DHW Indirect (notice the additional "RIB" relay as an add on, NOT supplied)with MFTHW boiler(s). This addresses the ability of using a DHW sensor in the indirect tank while maintaining DHW PRIORITY ...
Laars FT Series Gas Orifices -Natural and LP
Please see attached Excel Sheet Laars FT Series Gas Orifices-Natural and LP Boiler Model # Gen 1 or Gen 2 Wall and Floor BTU Size-140 and 199
Tripping GFCI - FT Series Floor Boiler or Combi (FTCF199 or FTHF199) Installed with Zone Control
Tripping GFCI - FT Series Floor Boiler or Combi (FTCF199 or FTHF199) Installed with Zone Control. Applicable Products: FT Series Floor Standing Models FTCF199 and FTHF199 Problem Statement: When using zone controllers with FT Series Floor-Standing ...
LAARS FT 301/399 I/O Manual
LARRS FT 301/399 I/O Manual Introduction Piping Wiring Programming Error Codes Troubleshooting Parts CLICK ON ATTACHMENTS TO VIEW
LAARS FT 301/399 Cascading Instructions
LAARS FT 301/399 Cascading Instructions Cascade cables Cascade programming Click on attachment to view
Laars FT 301/399 Proper DHW Operation-Indirect Water Heater
DHW on FT-399 (Indirect Water Heater Heater Operation) Dip switch 3 on printed circuit board we can select the following: ON: Smart priority: Boiler pump and DHW pump on at the same time until firing rate is > (greater than) 80%, then boiler pump is ...
Laars FT 301/399 Primary Pump Selection
FT Pumps - Commercial 301 + 399 From page 49 of the Laars FT 301-399 I/O Manual <<page 49 .pdf>>
Laars FTCF Floor Boiler Holiday Mode (Yom Tov)
All our LFTCF199NA1XN units PRESENTLY in OUR stock are set up with the new printed circuit boards that include the “Holiday Mode” AND Standard Mode on one circuit board. The unit can be used in Standard or Holiday mode. We have discontinued the ...
Primary/Secondary Piping, Piping GUIDELINES and Use of Sensor with Indirect Water Heater Installations.
Recent additions to Laars FT I/O Manuals: Primary /Secondary Piping Guidelines. Use of Sensor with Indirect Water Heater Installations. IO manual pages 45 and 46 attached. Click on attachments.
Cascading the Laars FT Series Floor and Wall HEATING ONLY Boilers
Cascading the Laars FT Series Floor and Wall HEATING ONLY boilers. https://www.laars.com/images/uploads/products/1349C.pdf
Laars FTCF Floor "Holiday Switch"
Laars FTCF Holiday Switch . Yom Tov. Operation and approval. Articles attached.
Generation 2 Laars MFTCW Dip Switch Settings
See attachments for Laars MFTCW Generation 2 Dip Switch Settings .
Laars FT Circuit Board Revisions
Circuit Board Part #'s and Revisions June 3, 2020 KR FLOOR New # Model Old # R2080600 MFTCF140 FT1616 (REV .04) SFN# R2080603 MFTCF199 FT1898 (REV 1.01) SFN# COMBI WALL 140 New# Model Old# R2080601 MFTCW140 FT1900 (Serial # F1500000-F1800308) ...
Laars FT (wall , floor ) Natural Gas AND LP Combustion Analysis Result #'s .
Laars MFTCW, MFTHW, FTCF AND FTHF ALL SIZES Combustion Analysis Result #'s streamlined for best results: All Adjustments are to be performed and tested in LOW FIRE ONLY NATURAL GAS LOW FIRE CO2 Carbon Dioxide= 8.5%-8.8% O2 Oxygen=5.5%-5.8% Excess ...
Laars FT -MFTHW , MFTCW SERVICE VIDEOS "quick links" .
Laars Service videos "quick links" : Laars Service Videos Sunday, November 4, 2018 7:54 AM https://www.laars.com/videos/mascot-ft-blower.-how-to-remove-and-inspect-blower-and-access-the-gas-scree ...
Laars MFTCW and MFTHW Circuit Board Part #'s with Revisions and Serial #'s
Circuit Board Part #'s and Revisions June 3, 2020 KR FLOOR New # Model Old # R2080600 MFTCF140 FT1616 (REV 1.01) SFN# R2080603 MFTCF199 FT1898 (REV 1.01) SFN# COMBI WALL 140 New# Model Old# R2080601 MFTCW140 FT1900 (Serial # F15xxx000-F18xxx308) ...
Laars MFTHW Heat Only Cascade Instructions
Laars MFTHW Cascade Instructions for wiring and programming: https://www.laars.com/images/uploads/products/1349B-NH.pdf Laars MFTHW Cascade Wiring VIDEOS: https://www.youtube.com/watch?v=c_Z2PaIov0M Laars MFTHW Cascade Programming VIDEOS: ...
Laars FT Blower Fan Models , Combi MFTCW and Heat Only MFTHW
Blower(Fan) models Thursday June 11, 2020 7:00 AM MFTCW140= FT1407 (Serial #'s F1800309-Present) (Two Vacuum Tube APS -closed barb) (Revision 24) *New Style* MFTCW140= FT1405 (Serial #'s F1500000-F1800308) (Single Vacuum Tube APS-open barb) (Revision ...
Mascot MFTCW DOMESTIC WATER RECIRCULATION
ATTACHED depicts a typical MFTCW COMBI domestic recirculation piping diagram from Laars. *Please note that a sensor OR timer may be utilized for domestic hot water recirculation pump operation*
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