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Small residential system main venting times for reference
Comments
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Note I said "cold starts". 😉
Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.
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Unless you run the threads in to the fitting until they touch, there's still going to be a puddle of water in there…
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A tiny one. Compare that to the puddle from a 1/4" burr in a 2" pipe with 1 in 20 pitch on every section. Additively, it'd be like putting a concentric reducer in the line
After the pipe is hot it would make no difference in timing.
Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.0
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