A veteran tech will check for igniter resistance using a multimeter

it is designed to stimulate and regulate both stages by adjusting refrigerant flow in response to the thermal load detected within the system

Precision Superheat Control: Automatically adjusts refrigerant flow to prevent evaporator freeze-ups and ensure maximum heat transfer

Does this unit come with required gaskets or mounting hardware

With a 0-15 PSI operating pressure range and resilient soft seating for bubble-tight shutoff

Laars Heating Systems FT1407 Fan Assembly 328140-751 A veteran tech will checkAs a field technician, you know that maintaining precise fuel to air ratios in high efficiency condensing boilers is critical for avoiding lockout codes and incomplete combustion. The Laars Heating Systems FT1407 Fan Assembly is the direct OEM replacement for the Laars Mascot FT series, including the MFTCW140NA1XN and MFTHW140NA1XN models. This robust combustion blower assembly is engineered to regulate the forced draft airflow required by the burner,