thanks to your info my water hammering problems were cured by reducing the pump speed but now the water pressure guage fluctuates .5bar up+down when pump ruuning is this normal .its a mynute 20se with trv\\\'s on all rads but 1 in bathroom. 
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.
Are you a trade or supplier? You can create your listing free at DIYnot Local
