For the most part, you can trust technicians to diagnose and repair any issues with your heater. Local technicians know the ins and outs of boilers already, and there is little you need to know about aside from the basics of keeping your boiler maintained. But a big part of this should involve keeping boiler corrosion under control.
Corrosion can be a death sentence for your boiler. Here’s what you should know about how corrosion affects a hydronic (hot water) system, as well as what you can, and should, do about the problem.