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Wiring a stepdown transformer for a digital thermostat

  12/21/2007 09:10 PM graybeard47
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Transform yourself really

 12/23/2007 01:18 PM HKestenholz Moderator

The simplest way is to connect the 115 volts of the two wires as they were used with the mechanical thermostat to the terminals of a relay, like a Taco SR501 circulator relay:

http://www.houseneeds.com/Shop/HeatingProducts/HydronicHeating/hydronicelectricalparts/relaybuy.asp

www.heatpro.us energy businessmen's knowledge

Yes, you really have to find out the MAKE and MODEL to get good answers. There IS more than one machine made.

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