Its a coil of copper tube inserted into the cylinder (where the immersion heater used to be ) and uses the boiler to heat the domestic hot water, it converts a direct cylinder into an indirect cylinder
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