Installing a Taco 571-2 zone valve


Old 12-19-07, 06:16 AM
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Installing a Taco 571-2 zone valve

I currently have 3 zones being serviced by 3 Taco 571-2 zone valves on a Burnham oil furnace. I plan to install an indirect water heater to the system. When I add another zone valve, will I have to install another transformer or will the existing one handle all 4 valves?
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Old 12-20-07, 06:49 PM
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Zone Valve

You don't want to use a zone valve for an indirect. You should use a dedicated circulator. Zone valves restrict the flow too much.
Old 12-21-07, 08:31 AM
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I agree with Grady with the exception if you get a full port zone valve it would be OK. These are hard to find in most supply Houses. If you could get one you would have to add a second transformer or replace the existing transformer with aarger VA transformer. The best way is with a circulator and proper sized piping.
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