An excellent primary- secondary

Mark Eatherton1

THE most comprehensive single source of information I've ever seen on P/S piping. He didn't miss ANYTHING that I can see. Thanks Siggy.

I'm going to have to get permission to distribute it for educational purposes.

ME

hr

article and drawings

is at the www.hydronicpros.com Technical Corner currently. Check it out. Nice to review and learn some more variations. Thanks for sharing the info, Siggy.

hot rod

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Josh M.

I really like the parralel primary secondary. I use it on everything. I can really get great control of my delta T.

hr

savy contractors

would be wise to print and file these gems!

hot rod

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Bill_14

He is a master

that makes it fun to learn more.

Kal Row

yeah

and you have to put all the sping checks where he tells you to, i had emailed him about that once, and his answer in effect was, cold water drops like a rock, even within one pipe, a spring check garantees a stop to it