Boiler Servicing, Maintenance and Repair
Harpenden, St.Albans, Hemel Hempstead, Welwyn Garden City, Watford and Tring

3 Star Insurance

3 Counties Heating can provide an insurance scheme which will cover all maintenance, servicing and repairs to your central heating system for a set amount every year.

This service is subject to an inspection from one of our central heating engineers.

Annual Boiler Servicing Contracts

All annual services are carried out to a standard schedule unless instructed otherwise. Our central heating engineer will ask you about the performance of the appliance and if you have any problems, referring to manufacturer’s instructions if they are available.

Our Service Includes:

• Isolate the gas and electrical supply to the appliance
• Dismantle the appliance to gain access to the combustion area and controls
• Inspection and cleaning

Our Central Heating Engineer will:

• Check the heat exchanger surface
• Check the main burner
• Check the pilot burner
• Check the fan, removing any dust from the impeller
• Check and replace where necessary all safety devices
• Check all water, electrical and gas connections for soundness and safety
• Check flue ways, air intake ducts and flue terminal
• Check and confirm ventilation requirements
• Carry out a flue flow test and spillage test if the appliance has an open flue
• Check the burner gas pressure or heat input against manufacturer’s data
• Check all combustion chamber seals for soundness
• Check the stability of the appliance and any retaining devices
• Check the working gas pressure
• Carry out an efficiency test on the boiler