Canadian installations must use the equivalent Canadian-certified conversion kit to comply with CAN/CGA-B149 codes

it handles 1/2 horsepower loads at 120/240 Vac while maintaining high repeatability

the M9203-BUA-2 is the standard model with no auxiliary switches

this manual-reset inducer switch serves as a reliable furnace safety limit

Carrier HH12HA142 Limit Switch R-22 Canadian installations must use theThe Carrier HH12HA142 is a genuine OEM limit switch engineered for precision thermal protection in residential and commercial gas furnaces. This manual reset limit switch is factory calibrated to trigger at a fixed temperature of 140F (60C), functioning as a critical safety cut off that interrupts the heating circuit upon detecting an over temperature condition. Constructed for high cycle reliability in harsh furnace environments, the HH12HA142