Series 3 models typically require different internal components

this 20170802AS collector box cover prevents exhaust leakage and maintains proper pressure switch fluctuations

Key Benefits: Universal Compatibility: Approved for use with most fluorinated refrigerants and a wide array of oils

Failure is typically caused by silica or carbon buildup on the metal rod or microscopic cracks in the ceramic housing

There is no technical difference in fitment or function

ASCO 302-273 Rebuild Kit Els PW 17895 Series 3 models typically requireThe ASCO 302 273 rebuild kit is a comprehensive maintenance solution engineered for 3 way solenoid valves within the 8300 and 8314 series. This kit is critical for restoring peak flow performance and sealing integrity in high cycle industrial applications. It features high grade NBR (Nitrile) elastomers and precision machined internal components that withstand rigorous pressure differentials. By replacing the core assembly, springs, and seals,