terminal G must be connected to an additional reference electrode that is as long as the lowest sensing probe to ensure a complete electrical path

Zero Differential Operation: The piloted diaphragm design allows the valve to open and close reliably without requiring a minimum pressure drop

Can I use the WT8840A1500 for LP conversions

The MK-4601 features an 11 square inch diaphragm

Carrier 340620-720 TXV Kit Replacement 318973-401 terminal G must be connectedThe Carrier 340620 720 TXV Kit is a genuine OEM thermal expansion valve engineered for precise refrigerant metering in high performance HVAC systems. This Carrier TXV replacement part is the direct logistical successor to the 340620 755, ensuring a drop in fit for technicians servicing Carrier DU50HFA units and specific NRTP series evaporator coils. Unlike generic alternatives, this HVAC refrigerant valve maintains the exact superheat settings