Things Every Homeowner Knows About Hiring HVAC Companies
Thursday, 2 June 2022
What's this - locking caps?
Hi - recently came to know that locking nuts are required in the 2 service ports for the outside unit? Otherwise won't pass inspection!?
source
https://hvac-talk.com/vbb/threads/2239397-What-s-this-locking-caps?goto=newpost
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