Re: Corrosion in forced hot water heating
Posted by hj on July 28, 2003 at 16:00:33:
In response to Re: Corrosion in forced hot water heating
If the Qest is allowing oxygen to enter the system then the answer is probably yes. A proper hot water heating system is a closed system and once the air is removed from the water, either through venting or accumulation in an expansion tank, it no longer presents a corrosion problem.

: In the last couple of months, 4 air & drain valves had to be replaced in a boiler-driven residential hot water heating system because of corrosion. Could the QEST-PEX tubing used when an addition was built on the house be causing the problem? There is anti-freeze in the system as well.




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