Mike and i are still in love with our bathrooms — and would recommend avon plumbing without hesitation! You are responsible for maintaining or repairing any drains inside the boundaries of your property. With a new energy efficient boiler? Compare quotes from several installers to make sure you get the best deal, and look for companies that have been in business for several years and have positive customer reviews. We used kil block on the bathroom waste the result was amazinggreat product.