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Expansion tank Question
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PipingQuestion
Member Posts: 1
Can (or do you see a problem with) Tieing a HW system, and a closed loop condensor water system into the same expansion tank if the systems will be at the same glycol percentages, and pressures. The is a chance of the two systems to be runnning at the same time in the fall, and spring months. Whem sizing the expansion tank they would be both the same size.
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Expansion tanks
Each system should have its own expansion tank. The (open) potable expansion tank uses different materials than a closed-loop (boiler) expansion tank. They cannot share a common tank because you would be mixing non-potable with potable. If you mean a "condensing boiler system", the closed loop system has it's own expansion tank. The tank(s) should be sized according to total system volume.0
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