Carrier KK71JY180 O-Ring 319848-301 You should verify the part
Yard notes & kiln story
Description
Carrier KK71JY180 O Ring 319848 301 You should verify the part You should verify the part number directly against the existing board in the unit or cross reference it with the service manual for York model J18ZJE36Q4DZZ10004 or similar multi stage systems 0 Cv range to prevent hunting and ensure steady state temperature management