For technicians performing a York AC repair

once 24VAC power is applied

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

it utilizes pilot operated action to provide a high flow coefficient of 4 Cv

this 150 PSI relief valve features a thermal sensing element calibrated to activate at 210°F

Aaon R54600 Limit Switch 319848-301 For technicians performing a YorkThe 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