As part of our role as a lead local flood authority, we have produced a. Very pleasant experience with asap plumbing and mechanical, just had a combi boiler installed by asap not only did we get a good price on the install but the techs do a great job and are a pleasure to deal with, dont waste your time calling anyone but asap. Forget the rest you're the best! thank you.". The most visible, and arguably one of the most important, variety of plumbers are those who service all the homes in a community.