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Posted by HeatPro on December 28, 2007 at 13:40:16:
In Reply to: Re: booster or indirect with new peerless boiler posted by Joe Brix on December 27, 2007 at 22:45:01:
As the hot water will be used as described, I prefer to have a relay to prevent the indirect pump run while the thermostat is calling for heat. That way, the indirect will use the residual hot water from the boiler after a heating cycle over several hours.
The system 2000 and Peerless controls pump the remaining hot water to their indirect from a boiler after the heating cycle to improve the efficiency of the boiler instead of wasting that heat from 210F down to the restarting of the burner on a heat cycle.