The pump is also cooled by the heating water...with out the heating water @ 70c the pump would become much hotter..as you will know if you have ever touched one that is poorly installed!
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