Did you know that by replacing your old boiler with a new condensing boiler you could save up to % on heating bills? you could save even more with the correct controls! Drain cleaners and maintainers. Making sure pipes have proper slope and the job is done right! If you suspect the blockage is on the public wastewater side and you are not connected to a septic tank then please contact irish water. Their work is superb but i wish they.