Carrier KAACS0201PTC PTC Kit 318423-701 This specific model features close-on-rise

This specific model features close-on-rise switch action

Flexible Control: Features adjustable high and low limits (30F to 180F) to prevent coil freeze-up or furnace overheating

05 VDC output and 1/4" NPT (F) pressure fittings

as well as VA9203 and VA9208 spring-return models

What does a 'step opening' valve do

Carrier KAACS0201PTC PTC Kit 318423-701 This specific model features close-on-riseThe Carrier KAACS0201PTC PTC Start Assist Kit is an OEM engineered solution designed to resolve compressor starting issues in residential and light commercial HVAC systems. This compressor starting aid utilizes a three terminal PTC thermistor to provide the necessary starting torque required for compressors to overcome high head pressures or tight mechanical tolerances. By increasing the electrical phase shift during the start cycle, this hard start