She says she followed the instructions by pouring just two drops in her drain. Combi/combination boiler - a boiler that heats water instantly when you turn on a hot tap it does not need a water storage cylinder or water tanks in the loft. Thank you for the clear and practical advice it’s saved me stress, time and money! Close all air bleed valves on your radiators, then close the drainage valve and remove the hose by holding the hose up you will.
Added: 2020-05-13 | Comments: 0 | Category: one