After looking @ Nofossil's Simplest Pressurized Storage.....I'm thinking that my Econoburn's 2 circ setup is not going to work with that layout as well as a Termovar mixing valve would work.  I believe ghost flows would be a problem if no balancing/mixing valve is used.  Is there a cheaper alternative to a Termovar valve?  I see Watts and Taco make mixing valves, but I have not idea which one would work for this type of thing.  Their's look more like anti-scald valves more than anything.
Thoughts?
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			Thoughts?
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