Quote:
Originally Posted by shorod
... You could release the wire from the connection at the DATC that signals the DCCV and see if the DATC is intentionally providing voltage to the valves. ...
-Rod
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Rod - Just to make this clear.
Power to valve = valve closed and no heat.
No power to valve = valve opened and full heat.
You want the DATC to be providing "voltage" to the valves.