Thermor Appliance Repair Service
Specialist repairs using genuine Thermor spare parts


Heating
Gas Safe registered engineers for Thermor electric water heater, boiler, cylinder water heater, gas water heater, heat radiator, heat panel and bathroom radiator. Fault diagnosis, part replacement and annual servicing across West Midlands.
No hot water or heating?
Thermor heating breakdowns repaired fast by Gas Safe engineers. Available seven days a week across West Midlands.


Heating
Professional Thermor cylinder water heater and gas water heater repair service in Solihull. Certified technicians with genuine spare parts and a written warranty.
No hot water or heating?
Thermor heating breakdowns repaired fast by Gas Safe engineers. Available seven days a week across West Midlands.


Heating
Professional Thermor heat radiator and heat panel repair service in Solihull. Certified technicians with genuine spare parts and a written warranty.
No hot water or heating?
Thermor heating breakdowns repaired fast by Gas Safe engineers. Available seven days a week across West Midlands.

Heating
Professional Thermor bathroom radiator repair service in Solihull. Certified technicians with genuine spare parts and a written warranty.
No hot water or heating?
Thermor heating breakdowns repaired fast by Gas Safe engineers. Available seven days a week across West Midlands.


Climate Control
F-Gas certified engineers for Thermor air conditioning, cassette ac and ducted ac. Installation, fault diagnosis and refrigerant handling across West Midlands.
Air conditioning not cooling?
Thermor climate control repairs by certified engineers. Same-day response available across West Midlands.

Climate Control
Professional Thermor ducted ac repair service in Solihull. Certified technicians with genuine spare parts and a written warranty.
Air conditioning not cooling?
Thermor climate control repairs by certified engineers. Same-day response available across West Midlands.

Renewable Energy
MCS-accredited installation and repair for Thermor heat pump. Heat pump diagnostics, refrigerant handling and efficiency optimisation.
Heat pump underperforming?
Specialist Thermor renewable energy engineers. MCS-accredited service across West Midlands.
Why Thermor Appliances Need Specialist Repair
Thermor appliances incorporate advanced proprietary systems that require certified engineers with brand-specific training to diagnose and repair correctly.
Thermor appliances use integrated electronic diagnostics. Our engineers connect directly to Thermor control boards using brand-specific tools to read fault codes and pinpoint issues accurately.
Every repair uses genuine Thermor spare parts sourced directly from authorised distributors. Original components ensure compatibility, performance and longevity — backed by a manufacturer warranty.
Thermor appliances must meet strict UK safety regulations. Our certified engineers follow Thermor service procedures and test every repair to BS EN standards before sign-off.
Many Thermor appliances feature Wi-Fi connectivity and smart home integration. Our engineers can diagnose firmware issues, reset connectivity modules and restore remote control functionality.
Common Thermor Error Codes
What does error code W.30.2 mean on a Thermor heat pump water heater?
Error W.30.2 indicates the heat pump is underperforming and not heating water efficiently. Ensure adequate ventilation around the unit and check for obstructions. Contact a qualified heating engineer for diagnosis if the error persists after a power cycle.
What does error code 7 mean on a Thermor electric water heater?
Error 7 indicates the ACI anti-corrosion protection system has malfunctioned. Restart by cutting power for 1 minute and check visible connections if accessible. If the error persists, contact a qualified engineer as professional replacement of the ACI components may be needed.
What does error code W.15 mean on a Thermor heat pump water heater?
Error W.15 indicates the water heater has lost its date and time settings, typically after a power cut or if the internal battery is depleted. Re-enter the date and time in the settings menu. If the error recurs frequently, contact a qualified engineer.
What does error code W.29 mean on a Thermor heat pump water heater?
Error W.29 indicates the compressor discharge temperature is too high, exceeding 110°C. This can be caused by a sensor drift, lack of refrigerant, compressor issues, or installation problems. Contact a qualified heating engineer to check the evaporator cleanliness, refrigerant charge, and air circulation.
What does error code Err10 mean on a Thermor electric radiator?
Error Err10 indicates a communication fault between the motherboard and thermostat control. Cut power for 2 minutes, then restart. If the error persists, contact your installer or a qualified engineer as this indicates an internal electronic fault.
Frequently Asked Questions
How much energy can I save with a heat pump water heater compared to a traditional electric model?
A heat pump water heater can reduce your hot water energy costs by up to 75% compared to a traditional electric water heater. The electricity consumption is approximately three times lower because the heat pump extracts energy from ambient air rather than generating heat directly from electricity.
How do I programme my Thermor towel rail timer?
Set the switch to the programming mode (clock symbol). Use the plus and minus buttons to set the day, then press OK to confirm and move to hours and minutes. Repeat to set when you want the towel rail to switch on and off. Programming allows up to 3 Comfort periods per day across 7 days.
What are the different operating modes on Thermor heat pump water heaters?
Thermor heat pump water heaters typically offer four main modes: Auto mode uses energy sources optimally with the heat pump prioritising operation before electric backup; ECO mode uses renewable energy only and adapts to your consumption patterns; Manual mode allows you to set hot water quantity independently; and Absence mode reduces activity during scheduled periods away.
Why is my Thermor towel rail not heating up?
First check the thermostat is set to the desired temperature and functioning correctly. For electric models, check the fuse in the wall switch. If the controller appears to work but no heat is produced, the heating element may have failed.
What features does the Cozytouch app offer?
The app allows you to check real-time room temperature and remaining hot water levels, adjust settings remotely, display electricity consumption by week, month, or year (including cost estimates), and manage absences by programming when appliances should operate.
Areas We Cover in West Midlands
Thermor appliance repair service across the ten largest towns in the county
Other Groupe Atlantic Brands
Appliances from other brands in the same corporate group are also repaired
Book a Thermor Repair
Specialist Thermor engineers. No-obligation quote.