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Posted by tk03 on March 27, 2009 at 17:53:53:
In Reply to: Taco ZVC 404 Zone Valve Control posted by Bob Rap on March 25, 2009 at 12:20:43:
Either way is OK but as you stated maybe a little easier to wire the Taco as it is a zone valve relay. The end result is the same, troubleshooting easier.