Baxi combi boiler in perfect working order 5 for sale bargain. We have a complete staff of professional licensed plumbing and mechanical installers, as well as service technicians there is a secretary in the office from 8:00 a.m - 4:30 p.m., monday through friday to answer all calls. A powerful solution to clogged drains! double trouble for the blocked drains! This is an excellent option for those without gas mains supply, the.