How can we make our services more useful for you? Unfortunately, yes we would have still attended and attempted to resolve the blockage we are more than happy to give you further advice and assistance at this point. Belong to you, the customer you'll need to call a plumber to help you with this - search. Since fitting the new boiler and controls, her fuel bills have gone now an incredible %! Is it safe to use a plunger or pressurized drain.