Replacing old RS central heating thermostat

Chunkywils · 15 Feb 2013

Hi, just wondering if it's possible to replace an old RS thermostat with a new Siemens digital thermostat? My vokera 80 boiler has a timer for water and heating control but this is always set to cOnstant so my heating is controlled by my thermostat. If I buy a Siemens digital thermostat will it be an easy swap? There are 4 wires to my stat according to the diagram 1live 2 neutral and 1 earth.
Any help or advice would be appreciated!
Cheers

OwainDIYer · 15 Feb 2013

more likely 1 live, 1 switched live, 1 neutral, 1 earth.

what exact models of boiler and roomstat please.

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Replacing old RS central heating thermostat

Chunkywils

OwainDIYer

DIYnot Local

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