Pumps for MFTCW 140, MFTCW199
Boiler Pumps (Primary) MFTCW140, MFTCW199
MFTCW 140 = FT1222 (Hard wired with strain relief bushing attached) .
MFTCW 199 = FT1798 (Molex connector plugs into pump, short patch cord included) .
* These two pumps are identical in mounting, size, head , GPM and can be interchanged if NEEDED !
Both pumps are Three Speed Pumps .

** Please note the wiring "connection" change defined above !
Related Articles
Arctic Heat Pumps SERVICE MANUAL EVI DC INVERTER AIR TO WATER HEAT PUMP Rev.1
Arctic Heat Pumps Service Manual-EVI DC Inverter Air to Water Heat Pump (rev.1) *Attached*
Booster Pump (Grundfos CMBE identification for reference) to replace with Davey Pump.
CMBE model description CMBE 5-31-I-U-C-E-D-F. I pulled this from a CMBE Technical Brochure and thought it would be helpful if you’re sizing against a spec that includes the option extensions for any CMBE model. Also, it can help you get an idea of ...
Generation 2 Laars MFTCW Dip Switch Settings
See attachments for Laars MFTCW Generation 2 Dip Switch Settings .
Understanding Armstrong Twin, DualArm, and Tango Pump Options
Armstrong's multi-motor pump configurations offer unmatched flexibility for HVAC and hydronic systems that require redundancy, energy savings, and space efficiency. These configurations feature two motors in a shared casing with a single inlet and ...
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, ...