It's one of the few boilers we've tested which reaches the very highest efficiency tandards, matching its claims to meet the a sedbuk standard.'. Bob the plumber charges by the job, not the hour, which saves you money know the price before we do the work! There are currently no events in our calendar. The information in this section is sourced from industry representatives and professional associations it is reflective of current demands within the industry for this occupation. We can survey pipes.