If you need it for the whole house then you want to get a pump rated for that, usually brass ended intended for continuous use. They only run when they detect flow in the pipe.
Be careful though, if you use hot water from a cylinder that is also fed from the loft cistern then depedning on the outlet used the hot may need pumped too to keep the suppies balanced.
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