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andygts



Member Since: 16 May 2015
Location: Yorkshire
Posts: 334

United Kingdom 2013 Range Rover Autobiography SDV8 Luxor
Central heating plumbing debate?

When the weather warms up a little and stays warm I'm going to redo the radiator piping. I've currently got a mixture of feed and return and a dodgy version of a single pipe system.

Three bedrooms and bathroom are single pipe and shockingly cold rooms, the rads get teppid at best.

Living room, dining room kitchen and hall are now twin pipe system but 15mm.

When I bought the house it had twin and single system in but only the hall rad was on a feed and return. Every other room was on a single pipe circuit but not an IN and OUT, they were tee'd off and back into ring.

I did a quick fix on the living room, kitchen and dining room by using the hallway feed and return which bizzarly runs within feet of the other rads on route to the hall so no idea why it hadn't been done.

Anyway to the debate.

I want to just re do everything under the floor with 22mm plastic pipe / speedfits, reduce to 15mm and connect to the existing copper legs of the rads in a simple ladder run type arrangment using the valves to balance the system.

My Dad keeps argueing that the first rad on the feed should be last on the return circuit pretty much doubling the amount of pipe.

My arguement is it won't be much different as the rad stats and balancing will even it out and although his logic is understandable I don't think the extra cost will see drastic benefit.

Googling it seams to bring back diagrams of my version but he's still adament that he's right.

Any plumbers care to share their 2p?

PS it's a bungalow aswell so all on 1 level. Current
2013 Range Rover Autobiography SDV8
2001 Porsche 911 Turbo
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Previous
2007 Range Rover Vogue SE TDV8
2002 Range Rover HSE TD6
+ Many other non LR products

Post #507311 4th Mar 2019 2:20pm
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Bushy30



Member Since: 03 Jun 2018
Location: Oxfordshire
Posts: 1097

United Kingdom 2011 Range Rover Vogue SE TDV8 Galway Green

Never thought I'd be answering a question like that on here.

If your flow and return coming from the boiler runs to the first rad and then onwards -- and you tee from the FnR's at the first rad, then effectively that first rad *is* first on the flow and last on the return -- all depends which end of the system you look at it from -- but that would be the 'standard' way of doing things.

Hope that helps

Bushy Current: 2011 FFRR Vogue SE 4.4 TDV8
Previous: -
2004 FFRR Vogue 4.4 V8 with LPG
1997 P38 4.0 SE with LPG
1997 P38 4.6 Vogue with LPG

Post #507313 4th Mar 2019 2:26pm
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