No formal qualifications needed. Available for emergency callouts outwith office hours for an increased rate. Baxi boiler/ pump / thermostat baxi boiler posted by diane in diy tools & materials, plumbing & central heating in romsey 30 april 2018. This serie is outgoing and will be replaced by our new serie. James kipling - kingston upon thames - may-2017. Most plumbing problems have to do with getting water out of your house-.