York S1-025-49690-000 Kit 318973-401 When diagnosing high-static issues or

When diagnosing high-static issues or motor failure

Its slender profile allows for straightforward installation using standard deep-socket wrenches

What is the maximum fluid temperature for the nitrile seal

Engineered as a direct replacement for Fasco D817

this assembly ensures the proper static pressure required for safe venting and efficient heat exchanger operation

York S1-025-49690-000 Kit 318973-401 When diagnosing high-static issues orThe York S1 025 49690 000 is an essential OEM kit containing a high capacity 12. 5 ton thermostatic expansion valve (TXV) integrated with a precision 14 tube distributor. Designed for large tonnage commercial HVAC systems, this York expansion valve assembly ensures optimal refrigerant metering across multiple circuits to maintain superheat stability. The valve features an 86. 5 PSIG adjustable setting, allowing technicians to fine tune system