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 Nottinghamshire.
No hot water or heating?
Thermor heating breakdowns repaired fast by Gas Safe engineers. Available seven days a week across Nottinghamshire.
Heating
Professional Thermor cylinder water heater and gas water heater repair service in Mansfield. 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 Nottinghamshire.
Heating
Professional Thermor heat radiator and heat panel repair service in Mansfield. 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 Nottinghamshire.
Heating
Professional Thermor bathroom radiator repair service in Mansfield. 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 Nottinghamshire.
Climate Control
F-Gas certified engineers for Thermor air conditioning, cassette ac and ducted ac. Installation, fault diagnosis and refrigerant handling across Nottinghamshire.
Air conditioning not cooling?
Thermor climate control repairs by certified engineers. Same-day response available across Nottinghamshire.
Climate Control
Professional Thermor ducted ac repair service in Mansfield. 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 Nottinghamshire.
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 Nottinghamshire.
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 Err02 mean on a Thermor electric radiator?
Error Err02 indicates the digital control or thermostat has overheated. Allow the radiator to cool down for 30 minutes before restarting. Ensure there is adequate ventilation around the control panel. If the error persists, contact a qualified engineer.
What does error code W.52.4 mean on a Thermor Aeromax Split heat pump water heater?
Error W.52.4 indicates abnormal compressor synchronisation. This is related to the inverter protection system. A qualified engineer should check the compressor wiring according to the installation diagram and verify that the compressor starts correctly.
What does error code W.22 mean on a Thermor heat pump water heater?
Error W.22 (including W.22.1 and W.22.2) indicates the evaporator probe is defective or reading outside acceptable parameters. This requires professional diagnosis. Contact a qualified heating engineer to inspect the sensor connections and replace if necessary.
What does error code W.3 mean on a Thermor heat pump water heater?
Error W.3 indicates the water temperature probe is defective or reading outside acceptable parameters, typically showing an abnormal 85°C reading. Check all sensor connections and ensure proper positioning. Verify the ohmic value of the probe. If everything appears normal, the temperature sensor needs to be replaced by a qualified engineer.
What does error code W.11 mean on a Thermor heat pump water heater?
Error W.11 means the thermodynamic water heater has not received the off-peak hours impulse from your electricity meter. Check that your off-peak hours contactor is functioning correctly and verify the wiring between your meter and the water heater.
Frequently Asked Questions
Is the Cozytouch app free to use?
Yes, the Cozytouch application is completely free to download and use. There are no subscription fees.
How can I save energy with my Thermor electric radiator?
Use Eco mode at night and during short absences. Set living areas to 19°C rather than higher. Use programming features to match heating to your occupancy patterns. Ensure furniture or curtains do not block the radiator, as this can reduce efficiency by over 30%.
What is Frost Protection mode and when should I use it?
Frost Protection (also called HG or Hors Gel) maintains the room temperature at approximately 7°C to prevent freezing. Use this mode when you are away from your home for more than 48 hours during cold weather.
What are the installation requirements for an ambient air heat pump water heater?
An ambient air heat pump water heater must be installed in an unheated, non-habitable, frost-free room with a minimum volume of 20 cubic metres. The room temperature should remain between 5°C and 35°C throughout the year. Suitable locations include garages, utility rooms, or cellars.
What temperature should I set my Thermor electric radiator to?
The recommended temperature for living areas is 19°C, and for baby rooms 18°C. The Comfort temperature can be set from 12°C to 28°C on most models. For bedrooms, a slightly lower temperature of 16-17°C is often more comfortable for sleeping.
Areas We Cover in Nottinghamshire
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.