piping advice

ralman

I have 7 supply and 7 return monoflo tees that are capped on my system. I have been reading and have been advised to remove these tees. Are there any problems going to be created with flow throughout the rest of the system if I remove them?

Empire_2

Hummm

Where are they capped? Are they still in the system?. Are you just passing water thru them to the next baseboard? More info required.

ralman

They are capped at various places throughout the loop.

They were capped by previous owners when cast iron baseboards were removed. Some have pipe plugs, others have short pipes with caps on them, one set has 8 foot pipes with caps on the ends. I have been advised on this forum to remove or connect the monoflos together with pipe, with removal being the better of the two options. If I understand what I have read here, this will reduce pressure and turbulence in the main run but it will reduce head pressure in the loop. I am wondering if this will cause flow problems in other baseboards or if it will improve the system overall.

Empire_2

I would

Remove the moniflow tee's. Leaving them in will lower overall system pressure further down the line and since the monos are actually a restriction, (Delt P) it would require more head to overcome this resistance and maintain rated flow. The pump you have may be ok, but you have to make sure. If I have a pump that delivers 20gpm because that's what the system requires, @ say 5.5 ft of head system works fine.. (this being a series 100 B&G pump) and I were to add more valves fittings and other restrictions, in order to acheive my 20 gpm i would need to increase my pump head to accomplish this. I would have to move up 1 size in pump selection. At this rate the pump would not deliver the 20gpm anymore because the resistance to flow is to great. I'm sure some of these gentlemen in the wall can correct me if I am incorrect. Hope this helped.

snip

two diffrent systems

I have a house that has two steam systems, one is a counterflow and the other is a sigal pipe system, can i tie them together to one boiler.

ed wallace

2 differant systems

why would you want to do that the boiler thats firing will now be undersized and the off boiler will act as a heat sink

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