York S1-401000 Filter Drier 321894-706 What is the difference between

What is the difference between 32001605-003 and 32001605-003/U

the 312817AA is built to withstand the rigors of mechanical rooms while maintaining low-hysteresis movement for accurate valve positioning

As a critical maintenance assembly

Engineered for the rigors of industrial refrigeration

Maintains system pressure integrity during idle periods

York S1-401000 Filter Drier 321894-706 What is the difference betweenThe York S1 401000 is an OEM C 162 liquid line filter drier designed for high performance moisture and acid removal in residential and commercial split systems. This 16 cubic inch drier utilizes a high capacity desiccant blend to protect the expansion valve and compressor from contaminants that lead to oil breakdown and system failure. Featuring 1 4 inch SAE flare connections, the S1 401000 ensures a leak proof seal and straightforward installation