Hi guys,
I've moved into a house which has recently had an unvented cylinder installed.
The house is a mid-80s build. The original setup seems to be that the cold supply to the storage tank in the loft is 15mm. There were then 2 outlets 22mm from the tank - 1 fed all of the cold taps and the other to the vented hot water cylinder in the airing cupboard.
When the unvented cylinder has been fitted, the 15mm cold supply has been used to feed both the 22mm pipe which distributes cold around the house and the cylinder's 22mm input (via a 15-22mm reducer). The cylinder's output is also 22mm.
Everything is working well but there is more of a pressure/flow drop when we have 2 outlets running than we used to get in our previous new build house.
I am wondering if I should replace the 15mm feed pipe between the supply to the house and the unvented cylinder with 22mm or even 28mm.
Would this allow a higher flow rate and thus less noticeable difference when running multiple outlets?
Or am I barking up the wrong tree?
Cheers in advance for help!
I've moved into a house which has recently had an unvented cylinder installed.
The house is a mid-80s build. The original setup seems to be that the cold supply to the storage tank in the loft is 15mm. There were then 2 outlets 22mm from the tank - 1 fed all of the cold taps and the other to the vented hot water cylinder in the airing cupboard.
When the unvented cylinder has been fitted, the 15mm cold supply has been used to feed both the 22mm pipe which distributes cold around the house and the cylinder's 22mm input (via a 15-22mm reducer). The cylinder's output is also 22mm.
Everything is working well but there is more of a pressure/flow drop when we have 2 outlets running than we used to get in our previous new build house.
I am wondering if I should replace the 15mm feed pipe between the supply to the house and the unvented cylinder with 22mm or even 28mm.
Would this allow a higher flow rate and thus less noticeable difference when running multiple outlets?
Or am I barking up the wrong tree?
Cheers in advance for help!