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Pipes leaking at shutoff connectors (All of them)
So I recently just went through a tune-up of my heating system. Well-Meclain SGO Gold with 2" mains, and 1" feeds off the mains to radiators. I have about 39' of main, and a Maid-O-Mist#1 main vent on the end.
I've had the house since 2011, and had the first cleaning in October 2013.
Before the cleaning, I had done nothing to the system, and it worked great after pitching all radiators.
So then I decided to buy "We Got steam heat" and give it some TLC.
I replaced a VentRite.35 main vent with a maid-o-mist #1, so now less air coming from my radiators when it fires up. I also insulated all piping in the basement (Wish they said it shrinks about ½" per 6' before I cut and installed it).
And I put in a variable 1-5PSI and 1-30 varying pressure valve.
So you'd think things would be better now.
Well, whats happening now is that the radiators are all spitting just slightly at all the shutoffs. Not at the knuckle, but there and around the main fitting. It's nothing drastic, but you hear all of them, just like a little slight hissing/spitting and a drip from like condensation every 10 minutes or so, so not drastic.
I have a Honeywell pressuretrol 97-331a set at 1 differential, and .5 cut in. (cut in as low as I can go). The pressure gauge only says about .1psi when the system has been going at full bore for about 15 minutes. Why can't I get .5 like I desire. I hear of people getting anywhere from .5 to 2 psi, yet I only have .1, or my gauge. If I take it off and blow into it with force, it does move, so I don't think it's defective. It's one of the duals that reads from -30 - 30 and -1 to 2psi.
Water level is fine. Boiler works fine. I re-packed all the shutoffs with fresh graphite packing last winter also, before the whole heating season and no leaks.
I hear a lot of boiling water in the pipes near the boiler, that I didn't think I heard before, but might have just not been paying attention before I read the book.
Main thing I'm concerned with is I had 0 leaks before on any radiators, now they all spit just a tad. I'd rather have it back to the way it was with no leaks of course. Something had to go wrong with the boiler, as I can see one leak possible, but not all. And I would assume it's too much pressure, but it only shows .1psi. Is this to little?