confirming the valve is open before the unit starts

Durable Construction: Built to withstand high-temperature cycles within the burner environment

This OEM York part functions as a fail-safe by monitoring discharge pressure and initiating an automatic shutdown if levels exceed safe operating limits

Durable Construction: Engineered with premium materials to withstand frequent cycling in demanding environments

direct-drive fit that eliminates the vibration common with universal adapters

York S1-163556 TXV Valve R-410A confirming the valve is openThe York S1 163556 TXV Valve is a critical R 410A refrigerant metering device engineered for precise superheat control in high efficiency split system evaporators. This thermostatic expansion valve features a 5 8" x 7 8" ODF solder connection and a 60 inch capillary tube, facilitating flexible bulb placement for accurate suction line temperature sensing. Designed to handle varying load conditions, the S1 163556 thermal expansion valve maintains peak