Compare the coil voltage (24VAC) and the Full Load Amperage (FLA) rating on the nameplate of the original component to ensure they match these specifications

Since this is a manual reset device

the low-limit range is adjustable from 30°F to 65°F

and resistive heaters

Carrier EA03SC455 TXV Valve 321702-401 Compare the coil voltage (24VAC)The Carrier EA03SC455 TXV Valve is a high capacity, 8 ton thermostatic expansion valve engineered for precise refrigerant metering in R 22 air conditioning and heat pump systems. Designed as a direct OEM HVAC replacement part, this bi metal thermostatic expansion valve ensures stable superheat control across varying load conditions to prevent compressor liquid slugging. Featuring a 5 8 inch ODF inlet and a 1 3 8 inch ODF outlet connection, it