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Old 08-04-2012, 09:22 PM   #16
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Thermostat to control two systems?


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Originally Posted by stickboy1375 View Post
but if your heat loss is too great, you'll never heat your house either.
Thats why on boiler set ups, I make it so both can run at the same time. Saves money on oil.

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Old 08-04-2012, 09:43 PM   #17
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Thermostat to control two systems?


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Thats why on boiler set ups, I make it so both can run at the same time. Saves money on oil.
Thats a nice feature, I have a furnace, so I dont have that option. It's either one or the other, im guessing it has to to with head pressure? not being able to remove the heat from the heat pump?


I wasnt 100% sure the OP had a boiler, but I think I would modify my drawing a bit, and install a two stage t-stat to kick the boiler on only when necessary, and still keep the heat pump running... fun part of drawing diagrams.

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Last edited by stickboy1375; 08-04-2012 at 09:53 PM.
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