Best temp setting for an aquastat


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Old 04-30-06, 08:23 PM
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Best temp setting for an aquastat

I just installed a new Honeywell L8148A aquastat relay. In the winter I have it set at 180* shut off when I'm heating the house. This boiler also runs my boiler mate for hot water. In the summer when I'm not using the boiler for heat, all this boiler does is turn on to heat my water. Should I still leave my shut off limit at 180*? Does this seem to high just to heat my water? Can I set the temp down lower so it doesn't run as long to heat up. I read by doing this, lowering the temp just to heat a boiler mate, can save you money in the summer months. What would be a good temp to set this aquastat to, just to heat hot water?
 
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Old 05-01-06, 05:20 PM
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Boiler temp

You can try 160 or even 150. If the indirect does not get hot enough, fast enough, you may have to turn it back up. It is often a trial & error thing. You may find, especially in moderate weather, these temperatures will be ok to heat your house.
 
 

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