Plumbing Problems – Hot Water Loop

[Star Cruiser]

Hello UKPF. I'm a new member, in the process of trying to self-build a house. I hope I have come to right place for some good advice and help. I have a potential problem with my first fix plumbing hot water loop. I’ve since fell out with the plumber (long story) who undertook this and it looks to me that he maybe didn't know what he was doing in terms of my request for a hot water loop.

It’s not easy to describe, but here goes. Instead of plumbing a continuous loop to all the hot water points and then having a single return pipe, he has Teed off where needed with both a Hot Water Feed (22mm) and Hot Water Return pipe (15mm). Some of these Tees are a good few metres in length and I wonder if this method will work or not? I’m wondering if this will balance out ok?

I've drawn up a crude sketch of what I think is going on:

https://www.dropbox.com/s/mssw7i02msu0309/Photo 03-09-2013 10 46 24.jpg

I don’t want the original plumber back, so I need to confirm if this will work or not or whether I need to alter.

Thanks in advance for any advice or help.

 

[Howsie]

i just want get a good level of system specification and hopefully, I'll have no regrets!

Maybe, I need to speak with an independent body:

http://www.greenspec.co.uk/files/energy/storesperformance.pdf

The thermal store in my pic serves 6 bathrooms like all thing, it needs to be specd correctly.

 

[Star Cruiser]

ACV are recommending a SLME 200 or 300 with a Prestige 32 System Boiler. I'm awaiting the technical specs. Is there anything else I should be looking for or clarifying?

 

[Star Cruiser]

ACV proposed schematic:

 

[Worcester]

That's OK as far as it goes.... - you don't have a permanently circulating hot water loop in that design though...

 

[Gray0689]

ACV proposed schematic:

Can't see it