the kit provides the replacement TXV

Is a hard start kit required with this TXV

The A23519 is specifically designed for the EHU-600 and EHU-701 models

while 240V systems must have it removed

Supco F21413A14025C Fan Control R-407C the kit provides the replacementThe Supco F21413A14025C is a high reliability 7 inch fan control engineered for precision temperature regulation in forced air systems. Serving as the direct replacement for F563, this control manages the blower motor cycle based on sensed plenum temperatures to prevent cold drafts and optimize furnace efficiency. It features an adjustable 60 140F temperature range, allowing technicians to fine tune the fan on and fan off setpoints according to