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Zone Valves
Has any worked with old AC/Heating units that use Hydronic Zone Valves to contrl the Hot and or Cold water for supplying hot or cold air depending on the season? I live in a 30 yr old condo unit that has this type of set up and it seems to be working well in the summer season. Unfortunately, I moved in between winter and spring and wasnt able to tell if the heat will work when the boiler is turned on in the winter to supple the hot water to the unit. I was told that the Zone valve may be "locked/froze" Doens anyone know how to check/change/replace this piece of hardware so ill be ready for winter?
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