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Posted by Dave on December 03, 2005 at 10:32:42:
In Reply to: Re: Change in my repiping/buffer tank schedule posted by Joe Brix on December 03, 2005 at 08:37:53:
: With such a large mass of water, you shouldn't need to bring all that water up to 180° anymore, unless it get's extremely cold out and the air handlers need it.
+++Joe, I'll set the boiler to 150 and see how long it takes to reheat the DHW.
As far as keeping the buffer at 150, I know our boiler cannot see temps below 140 due to condensation issues with the copper tubes. I was thinking of having the tank aquastat turn on the boiler at 150 and have the boiler shut down at 170. Is that enough of a differential for savings on natural gas?
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