Serving all counties throughout the entire state of connecticut! You are responsible for maintaining or repairing any drains inside the boundaries of your property. I was skeptical about the baking soda and vinegar treatment the first time i read about it, but sure enough, it works! Combi boilers don’t need hot water cylinders, and so require less space in your home. For a one-off repair, call baxi directly to get a quote or why not consider added protection for your baxi boiler with a repair & protect.