TP5000 to nest 3generation

[kripy]

i had install blue top black bottom in left

 

[CBW]

You only need Com and No.

 

[kripy]

could you confirm two wire connected to get the heating and and switch no connected i test with
turns vice with light

 

[CBW]

could you confirm two wire connected to get the heating and and switch no connected i test with
turns vice with light

Sorry, I don’t really understand what you’re asking.

 

[kripy]

for the valve to open for heating it is necessary that com and no are connected in fact

 

[ianmcd]

How hard can you make this, you have 2 wires one goes into nest NO and the other into nest COM either way round doesnt matter, couldnt be any simpler