Heil Quaker ICP R02R002 Limit Switch 322055-301 Should I replace these O-rings

Should I replace these O-rings every time the compressor is opened

making it a critical part of a comprehensive HVAC maintenance strategy for R-22 legacy equipment

and 48HJD008 models

Do I need to use RTV or sealant with this gasket

preventing leaks and performance drops

Heil Quaker ICP R02R002 Limit Switch 322055-301 Should I replace these O-ringsThe ICP R02R002 Auto Limit Switch is a precise OEM replacement part engineered for technical reliability in Heil Quaker and International Comfort Products (ICP) heating systems. Designed as a normally closed safety control, this component features a 7 inch insertion length to monitor internal plenum temperatures accurately. It is factory set with a 140? F open temperature and a 120? F close temperature, ensuring the system shuts down if overheating is