LAARS FT 140/199
LAARS FT/Bradford White Brute Series (ALL) Burner Mounting Screws
LAARS FT/Bradford White Brute Series (ALL MODELS EXCEPT 301/399) Burner (Upper Case) Mounting Screws. The four UPPER BURNER CASE Mounting Screws are "M5x10mm Hex Washer Head Fine Thread METRIC Screws." The SAE Equivalent that can be used is ...
Blinking Display on LAARS/Bradford White FT Combi's and Heat Only .
A "blinking" display on LAARS/Bradford White FT Combi's and Heat only boilers "USUALLY " Indicates a faulty printed circuit board. But a faulty display can NOT be ruled out . The majority of the time it IS due to a faulty circuit board BUT there have ...
LAARS FTCW Displays -All sizes
The LAARS display part # FT2005 (black in color gen2 ) is backward and forward compatible with the part # FT1620 display (grey in color gen 1). The FT2005 display is the "generation 2" model utilized from serial # mid 2020-present. There is an ...
LAARS FTHW Display-All Sizes
The LAARS display part # FT2050 (black in color gen2 ) is backward and forward compatible with the part # FT1053 display (grey in color gen 1). The FT2050 display is the "generation 2" model utilized from serial # mid 2020-present. There is an ...
LWCO and High Limit Reset Types in Laars Mascot Units
LWCO and High Limit Reset Types in Laars Mascot Units Applies To: Mascot Heat Only, Mascot Combi, and LT/Instantaneous Water Heater Series Last Updated: July 30, 2025 Summary Mascot Heat Only and Mascot Combi units (all sizes) include: Auto-reset Low ...
FUSES for LAARS FT Circuit Boards
FUSES for LAARS FT Circuit Boards FT140, FT 199-Combi and Heat Only . Photo below. There are two replaceable glass type fuses mounted on the circuit board. The uppermost (top fuse) is a 10 AMP /125 Volt fuse and is for the 120V circuitry (internal ...
Popular Articles
How Many BTU's Do I Need For Snow Melt?
Important Factors In order to determine how many BTU's you require for your snow melting system, you really need to consider only a few major items. This considerations will take into account how crucial it is to have no snow and ice. It will also ...
Annual Maintenance LAARS MFTCW
Annual Maintenance of LAARS MFTCW Annual Flushing of CH Heat Exchanger as outlined in the I/O Manual Section 8 , pages 75-77. 1 https://www.laars.com/images/uploads/products/1318G-NH3.pdf For proper flushing of the heat exchanger the Laars MFTCW ...
Davey Booster Pump Troubleshooting "Cycling" Pump.
The following few steps makes it very simple to troubleshoot a "cycling" pump . A Davey Booster Pump coming on and cycling when NO water use is obvious or thought to be cycling for NO REASON. Here is a very simple way to Trouble Shoot a Cycling Pump ...
LAARS FTHF 199 CASCADE Piping and Wiring
Attached is the new cascade piping and wiring diagrams manual (publication 1349C) for LAARS FTHF 199 Floor Boiler. Pay particular attention to page 4 of this manual as this shows the position of the internal valves when PIPED cascaded ! I have ...
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, ...