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Posted by Heatpro on December 06, 2005 at 21:09:09:
In Reply to: Phase III with Ergomax posted by Dave on December 06, 2005 at 19:40:39:
That is one reason I'd run the domestic water through the ErgoMax first, so the water that left the Ergomax could be raised if need be at the Phase III. That way the ErgoMax could still be used as a buffer at 150F with the secondary purpose as a water heater. The Ergomax won't fall apart if the water is at 150F, it just wouldn't make the water as hot as if it were at 180F; but then the Phase III can take over. If the Phase III never has to call for heat, then all to the better. If the tanks are piped in parallel as storage for the boiler, then the one Taco 007, relay and flowcheck can be removed.
As the pipe will be 1-1/2-inch and not longer than 20 feet, there is no real difference if you piped it at the tank or in the middle of the pipe. The relationship of the system to the boiler would be the same, so no need for another check.
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