How to wire the NRG Lex so that the pump of zone A and Zone B will run when the stove thermostat calls

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This wiring schematic showes how to wire the NRG Lex so that the pump of zone A and Zone B will run when the stove thermostat calls. This means that when the stove is hot, Zone A & B will take the heat from the stove and heat the building.

The boiler will not be affected by this wiring arrangement.

Posted in NRG LEX.