York S1-025-42691-000 Expansion Valve 328140-751 Reliability: Heavy-duty construction ensures stable

Reliability: Heavy-duty construction ensures stable timing under the high-temperature conditions of a boiler cabinet

reducing troubleshooting time for field technicians

For installations where the thermostat cannot be disconnected

confirm the cut-off temperature rating and mounting footprint match the existing heater assembly or plenum housing to maintain UL compliance and system safety integrity

York S1-025-42691-000 Expansion Valve 328140-751 Reliability: Heavy-duty construction ensures stableThe York S1 025 42691 000 Expansion Valve is a critical metered flow component designed specifically for high efficiency R 410A cooling systems. This TXV valve utilizes a 3 8" x 3 8" ODF (Open Directional Flow) sweat connection, ensuring a leak resistant, hermetic seal within the liquid line. Engineered to maintain precise superheat at the evaporator coil, this thermal expansion valve adjusts refrigerant flow based on heat load, preventing liquid