UK Home Owners Logo  

Pipe Sizing


Pipes have to be sized to ensure that they allow sufficient water to flow through the pipes to heat the radiators and domestic hot water cylinder.

Below is outlined a very simple approach to pipe sizing for a domestic heating system. The chart indicates approximately how much heat a pumped copper pipe will convey. As you plan your system each radiator will be feed with a flow and return pipe this all connect back in parallel and as each radiator is added to the circuit you need to total the heat required to determine the size of the pipe.

Size of copper pipe

Heat conveyed based on 20degc temperature drop.


6000 watts


14000 watts


28000 watts

Decorating your home
Decorating a living room
Decorating on a budget
Insulating your home
Installing Central Heating
Renovating a bathroom
Building Work
Insurance Cover
Find Local Builders
What to do if you are unhappy with a builders work
Add to blog
Bookmark to: Digg Bookmark to: Bookmark to: Facebook Bookmark to: Reddit Bookmark to: Jumptags Bookmark to: Simpy Bookmark to: StumbleUpon Bookmark to: Slashdot Bookmark to: Propeller Bookmark to: Furl Bookmark to: Yahoo Bookmark to: Spurl Bookmark to: Google Bookmark to: Blinklist Bookmark to: Blogmarks Bookmark to: Newsvine Bookmark to: Blinkbits

Terms of Use | Privacy Policy | About us | Site Network | Contact Us
Copyright © 2009
4theUK Ltd