York S1-073-27841-002 Casing 321702-401 Featuring a standard 1/2 inch

Featuring a standard 1/2 inch NPT inlet/outlet

this rebuild kit is designed to support the ASCO 8345G001 valve series across both AC and DC voltage configurations

System Versatility: Designed to facilitate pump control

Durable Construction: High-grade media designed to withstand the high-velocity airflow of multi-speed blower motors

and one normally closed terminal (opens on rise for heating)

York S1-073-27841-002 Casing 321702-401 Featuring a standard 1/2 inchThe York S1 073 27841 002 Bottom Casing is a critical structural OEM replacement part engineered for 17. 5 inch cabinet widths. This heavy duty furnace bottom trim is manufactured from galvanized steel with a professional Champagne powder coated finish, ensuring high grade corrosion resistance and structural integrity for residential heating systems. Designed specifically as a Source 1 genuine part, it provides the precise tolerances required to