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Two system thermostats one circ
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Roy_2
Member Posts: 14
I have 2 systems - one a wood boiler and the second a geothermal water to water.
There are 2 thermostats in each of 2 zones one for the wood and one for the geo. They each call the respective unit on but I need them to start the radiant circ. They have separate transformers so I can't just wire them together I know there must be a 2 input isolated relay so I could have 1 or the other or both calling and pulling in the circulator.
Anyone know the relay I am looking for or even if there is such a beast.
Thanks
There are 2 thermostats in each of 2 zones one for the wood and one for the geo. They each call the respective unit on but I need them to start the radiant circ. They have separate transformers so I can't just wire them together I know there must be a 2 input isolated relay so I could have 1 or the other or both calling and pulling in the circulator.
Anyone know the relay I am looking for or even if there is such a beast.
Thanks
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