Servicing procedures

There are many different boilers on the market these days.

Below is a general procedure for carrying out a service on a open flue central heating boiler. Note that some of these procedures may not be applicable to your boiler type but is a good guide to the right services.

Please not this is only a guide to how a boiler services should take place and only should be carried out by a corgi registered installer

Step 1
Carry out preliminary checks
Light the boiler and put in to full operation and that all functions are working properly
Check that the right ventilation has been provided
Check flue terminal location and free of defects
Look for signs of spillage (if applicable)

Step 2
Servicing procedures
Isolate gas
Remove casing
Remove the main burner assembly and clean and check,
(a) main burner
(b) injectors
(c) electrodes
(d) thermocouple
(e) gas valve
(f) pilot
Clean the flue ways
Check and clean the fan (if applicable)
Re-assemble the appliance
Check appliance seals and joints (if applicable)

Step 3
Final checks
Ignition of boiler
Electrics
Safety device working properly
Controls working properly
Gas connection
Flue flow test (if applicable)
Spillage test (if applicable)
Burner pressure too manufacturers instructions
Gas rate set too manufacturers instructions
Leave the site clean and tidy condition

Boiler Servicing & Repairs
Central Heating Design & Installation
Power Flushing
Under Floor Heating
Solar Power Hot Water