Is your old boiler on the blink, and you have no hot water ? One of our / plumbers can be there in under hours*. Clean blockages without damaging your pipes! Unlimited call-outs, parts and labour. Mike and i are still in love with our bathrooms — and would recommend avon plumbing without hesitation! Make an online booking for gas boiler replacement. What steps can be taken to fix a clogged drain? Existing domestic & general customers. Kurt and dana are proud to offer.