How to maximize the life of your boiler part II

work photos 200As we discussed in our last blog, the importance of “water quality” is critical for the long-term system performance. But what exactly is water quality? This is water that has been chemically treated to prevent scale, corrosion and harmful pH levels for example. This is important in closed and open loops systems and the reason for this is because the oxygen contained in the water will create corrosion over time inside the metal pipes of the heating system.

When fresh water is introduced into the system, the oxygen and air will come out of solution when it is heated. The air separators will bleed the air out (if working and serviced properly), but if not, the air will go in the highest part of the system. There it will get air-bound in the radiators, balancing valves and other components, even the pumps creating cavitation, heating, and noise among other problems.

When the corrosion and scale is formed it just keeps getting worse and literally will coat the piping and reduce its size in half until there is no flow or heat transfer. The boiler and every component in the system will have the same fate if not detected and corrected on time. The worst part is that this is the most overlooked problem for most contractors because is difficult to diagnose.

Closed loops are not fed with fresh water as much once the system is filled up, but what if you have a leak in the system? Then you are constantly introducing water as well, and the same problem of corrosion will happen.

So if you have corrosion and scale problems on your boiler system you might think that there is no other solution than to replace the entire piping and boiler and spend major money, right?. . . Wrong, there are still solutions that can be done without breaking your bank.  You just have to call the professionals at Midwest Heat Mechanical Inc. And make your next project. . . . . . . . . . . . . . . a success.


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