The C-303 features 3/8" SAE flare connections

Key Benefits: Optimal Performance: Regulates R410A flow to match heat load

preventing common localized failures like nuisance lockouts or short-cycling

For technicians performing a York AC repair

Aaon R54600 Limit Switch 319848-301 The C-303 features 3/8" SAEThe Aaon R54600 Limit Switch is a critical safety component designed for high limit temperature monitoring in commercial HVAC systems. This L280 30F 3" limit switch features a 280 degree Fahrenheit cutout and a 30 degree differential, ensuring precise thermal protection for heat exchangers and blower assemblies. Engineered for Aaon rooftop unit parts replacement, this SPST (Single Pole Single Throw) fixed temperature control operates on an open on