I haven't used them on my HVAC sensors. I use them on my vacuum/pressure tank. As long as they don't leak under vacuum and up to 50psi.
๐ UView 560000 Combustion Leak Tester: A Reliable Tool for Efficient Diagnosis
9 Review
๐ฌ๏ธ UView Airlift Cooling Checker 550000
9 Review
Robust Robinair (RG3) Portable Refrigerant Recovery Machine, 115V, 60Hz -Efficiently Recovers Liquid and Vapor Refrigerant
9 Review
๐จ Robinair (15115) VacuMaster Single Stage Vacuum Pump - For Efficient Single-Stage Vacuuming, Delivers 1.5 CFM
9 Review