Dana- they are branches. I have 2 Zones but one is a separate back room/enclose sunroom that was added later with copper pipe and slant fin baseboard. The main zone with the 2 branches do have shut off valves right below where the return pipe thermometers are. I could close one and restrict its flow a little to get the temperature to match up better. Pics below
I left the boiler off all day today. PSI was around 9 at 78 degrees (taken from return pipe well). I've been messing around all week checking psi at the drain valve so a little water gets removed each time. I've been removing little amounts of air each day on upstairs radiators and I took the expansion tank off today to confirm its psi (~12 depend on which gauge I use) which removed a little water. So with that amount of water and air it could of dropped it to 9psi, or there could be a small leak. Will keep my eye on it over the next week or two to figure out if its a leak.
Thank you everyone for your time and help and if I don't post anything in the next couple days have a great New Years.
I left the boiler off all day today. PSI was around 9 at 78 degrees (taken from return pipe well). I've been messing around all week checking psi at the drain valve so a little water gets removed each time. I've been removing little amounts of air each day on upstairs radiators and I took the expansion tank off today to confirm its psi (~12 depend on which gauge I use) which removed a little water. So with that amount of water and air it could of dropped it to 9psi, or there could be a small leak. Will keep my eye on it over the next week or two to figure out if its a leak.
Thank you everyone for your time and help and if I don't post anything in the next couple days have a great New Years.