Hi,
I had my furnace serviced and I had the HVAC guy fit in a digital prog. thermostat from nationalgrid. (PSP721U)
He had trouble connecting the wires and finally matched with the EWC-ST-2E zone control circuit diagram. The furnace works and the thermostat seem to work fine and furnace shuts off ...
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- Tue Mar 05, 2013 8:34 pm
- Forum: Help and Advice
- Topic: Luxpro PSP721U Thermostat with EWC-ST-2E
- Replies: 1
- Views: 8950