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Discuss Close coupled tee's, who else has tried it ? in the Plumbing Jobs | The Job-board area at PlumbersForums.net

chris watkins

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Plumber
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This one has been in for a year now, it sorted out there existing heating system which had a pump on pump trying to get the water to circulate around the bottom to floors.
Only went there to investigate plastic pipework which had blown apart twice.
 
I know that mate looks like flow and return are tee'd into the same pipe tho?

Yes left horizontal pipe is the common return

Right horizontal pipe is the common flow
 
35mm top is the flow to system, bottom is the return so it is a two pipe. UPS2 25-80 on the flow just on the other side of the wall feeding an S plan with column rads over 5 floors.
Someone had put the Alpha to do the whole system, then added the 25-80 after the 28mm heating zone valve and walked when it didn't work leaving customer without heating to the main living areas.
They then had a full Evo system installed so they could shut off the upper floors to try to get the heat to the lower ones but still didn't work.
Silly buggers also removed both thermostats from the unvented cylinder & replaced with a prob cos apparently they were not required any more!!!:mad:
 
No, that was the alpha. What you can't see in the photo is the 25/80 on the top 35mm pipe (flow) in the side loft, to the right.
This does the system the alpha dose the boiler.
Only used the alpha as it had already been installed (set Min).
You could use your 15/50 on speed 1 in place of this & buy a ups2 15-50/60 for the system set on variable. I would guess at speed 2 as you have lost the boiler resistance.
 

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