Heating controls wiring
Can any smart thermostat replace an existing programmer?
Give the equipment model details before purchasing or booking installation. Compatibility depends on the heating system, controls and wiring.

Heating controls wiring — planning the work
For heating controls wiring, identify the affected circuit or proposed addition before agreeing work. Existing condition, supply arrangements and testing can influence the specification and the extent of the job.
More questions
about this service.
Can a new thermostat work with any heating system?
Supply model numbers and existing wiring information before the connection is planned. Compatibility varies between controls and systems.
What should be covered at handover?
Check operation, test results and relevant handover documentation.
Heating controls wiring by area
Select a place to view this service for that location. Please provide the postcode when you enquire.