thesler001
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Our house and heating system is 8 years old. Our second floor zone this winter has been getting air bubbles in it (for example, when the thermostat kicks on upstairs, you can hear a large rush of water and gurgling through the pipes in the wall) and this eventually gets worse and stops the flow of heat on the second floor. About once a week since December, we have to bleed the water and air bubbles for our 3 zones in the basement using a hose.
The system is a closed system and there are no air vents or release valves at the top floor. The water pressure for the rest of the house and plumbing is fine.
Can you give me an idea of what the problem could be - is it the expansion tank going bad? If it is not working right, will it create the air bubbles?
The system is a closed system and there are no air vents or release valves at the top floor. The water pressure for the rest of the house and plumbing is fine.
Can you give me an idea of what the problem could be - is it the expansion tank going bad? If it is not working right, will it create the air bubbles?