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is this considered a proper swing joint
i can.t understand why but i have been runnig into this lately on a few different steam boiler where the installer came up with his riser and then put 45 on them a close nipple and piped into his header.It s not like i,m following one company but it seems to be a think with a bunch of locale plumbers .I personally do not think or consider this a swing joint and have had 1 boiler piped this way crack and the guy slide in another one and well it s going on 2 or 3 years and has not crack again but time will tell .They also drop straight down w the equilizer into the return with no offset or swing am i as usually over thinking but i never do it that way and i never have issues and all the boilers i go and look at are either piped in this manner w 1 1/2 or 1 1/4equilizer and return piping and they have issues .i chk the i &o manuals and well they piped to the manafactures specs which are mimiuns .I really can't understand why they just can't follow a drawing in the i&o manual but i guess ya can t do that if you can t read ,theyknow how to sign that check though .Oh yeah on these 45 degreeoffset it was not in a tight spacethere was plenty of room to do a nice job peace and good luck clammy
R.A. Calmbacher L.L.C. HVAC
NJ Master HVAC Lic.
Specializing in steam and hydronic heating