The baking soda and vinegar works, the vinegar reacts with the baking soda forcing it to expand and break the clog. If you do need a plumber, we recommend you choose a member of an approved contractors’ scheme (see below) this will take away the headache of finding a plumber and you can be sure they have the necessary skills and training to undertake any water-related repair. Offering full-service marine and industrial boiler repair services, our boiler repairmen are.