I just connected my angle SharkBite valves on the supplies under the sink. Getting ready to connect it to the lines on the faucet and I was just wondering if it is standard procedure to use PTFE on the threads before connecting? I can't find anything about it on Google.
You can use something for lubricant, but you don't need a sealant on a compression fitting. Most likely (hopefully) you will be using SS braided supply lines. They have a rubber washer inside that doesn't require thread sealant.
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