Tado smart thermostat v3 wiring help please
Hi all I have a vaillant ecotec plus 825 boiler which had a v smart thermostat working on it up until this morning when it failed. Bought the the tado to substitute it however the man I. The shop said it would be a direct replacement which is not the case the old smart thermostat was wired in with 2 cable in the bus connector the tado needs a different wiring solution. Can anyone help me please.
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