Do you want to have directions to markaryd? When you call us to report your blockage, we'll always try to let you know when we'll be able to get to you and, if it changes, we’ll try to keep you informed. Combi can you even still get traditional boilers? Some older radiators may be inefficient or have internal corrosion - which means they may need replacing ask your installer's advice. Clean blockages without damaging your pipes! Copyright stevenage borough.