I have always used and seen 15mm pipe to radiators. I see JG have a manifold that goes from 22mm to 4 x 10mm. Is this OK and has anybody used it? Is 10mm to radiators OK?
You can use 10mm, 8mm, even seen 6mm (but not 4mm, yet!)
It obviously has a higher resistance than 15mm, so it depends on the lengths and flows required.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local