Understand the System
Establish the boiler type, the number of zones and the controls you want to use.
Heating controls · London
Central Heating Wiring & Controls
Electrical wiring and controls for boilers, pumps, thermostats and zoned heating systems in homes and commercial properties.
- NICEIC approved
- 24/7 emergency line
- London-based, UK-wide
Simply Electrical Contractors
The Electrical Side of a Heating System, Done Properly
A central heating system depends on its wiring as much as its pipework. The programmer, thermostats, motorised valves, pump and boiler all have to be connected so that each part switches at the right moment, and a single misplaced wire can leave rooms cold or the boiler running when it should be off.
Simply Electrical Contractors wires new heating controls and puts right existing ones, working alongside your heating engineer. That covers wiring centres, room and cylinder thermostats, zone valves, smart and wireless controls, immersion heaters and the fused supply to the boiler. Work on the gas side of an appliance is left to a Gas Safe registered engineer.
Where a system has stopped responding, the controls are tested in sequence to find the part that has failed, whether that is a valve actuator, a thermostat or a connection in the wiring centre, before anything is replaced.
What to expect
A Clear Route From Enquiry to Completion
Details vary by property and service, but the process is built around assessment, explanation and appropriate testing.
Wire and Label
Controls are connected at a wiring centre and labelled so the system can be followed later.
Test Each Zone
Every thermostat, valve and timer is checked to confirm the system responds as it should.
Common questions
Useful Information Before You Enquire
For advice about a specific property, contact the team with the postcode and job details.
01Do you install boilers?
No. Boiler installation and any work on the gas side must be carried out by a Gas Safe registered engineer. We handle the electrical supply, wiring and controls and can work alongside your installer.
02Can you fit a smart thermostat to an existing system?
Usually, yes. Compatibility depends on the boiler and the existing controls, which is checked before a product is recommended.
03Why does my heating come on with the hot water?
It is often a stuck motorised valve or a wiring fault at the controls. Testing the system in sequence shows which part is responsible.
04Can a system be split into separate zones?
In many cases. Zoning needs valves and thermostats for each area as well as the wiring to control them, so the pipework layout is considered together with your heating engineer.