New Boiler, Best Practice If you are looking for a new boiler and checking websites for prices and your having salesman round for quotations you will hear different advice. Some people will say you have to do this and some say you don’t. It’s confusing and you don’t know who is right! The main subject for this is the topic of a Powerflush or MagnaCleanse. What’s the difference?Here’s what you need to know:Price - The main difference is the price. A cleanse of the system ...