It's hard to find a licensed plumber on a remote island in the Azores as most professionals simply do not show up. That's why I consider DIY (DIM), which is very hard to receive correct and complete advise how to do it.
Good morning everyone. Does someone know is my INSUATHERM 150 L unit operating under pressure or without pressure? This is my unit after 11 years of operation (without maintenance - I wasn't aware). It's leaking rusty water in drops. Is something missing or incorrectly installed? Could one...