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3 Common Reasons for Boiler Repair

Boilers may operate in different ways than most other heating systems. They are still imperfect, however, and that results in their occasional need for repairs. Below, we’ll take a look at three of the most common reasons for boiler repair, and what can be done about it.

Kettling

Over time, minerals in the water can build up in the heat exchanger of your boiler. After a few years, these minerals can form deposits large enough to actually restrict or even block the flow of water through your boiler’s heat exchanger. This causes a massive buildup in pressure, as the water evaporates and expands inside the heat exchanger. The result is a rumbling sound, called “kettling.” If left alone, this condition can cause extreme damage to your boiler. If your boiler is making this kind of noise, turn it off and call a professional immediately.

Pilot Light Won’t Stay On

If your pilot light won’t stay on, chances are you have a bad thermocouple. The thermocouple is a metal wire that acts as a sensor for the pilot light. When it senses the heat from the pilot light, it opens the gas valve to keep fueling the flame. A bad thermocouple has often lost the ability to sense the heat from the pilot light. As a result, the gas valve stays closed and smothers the flame.

Boiler Keeps Turning Off

If your boiler keeps turning itself off shortly after being turned on, it is likely that something in the system is triggering a safety measure. Usually, these measures trigger when the system is in danger of overheating or even exploding. Honestly, though you’ll need an HVAC professional to determine the exact cause for you. It is quite possible that your boiler is overheating or experiencing a pressure spike. It is equally possible, however, that a malfunctioning thermostat or blocked water line is the cause. Either way, it’s not something you should ignore.

If you are experiencing problems with your boiler, call Robbins Heating & Air Conditioning. We provide boiler repair services throughout Fountain, CO.

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