I've bought some smoke matches in order to test my flue before I call out an
Corgi engineer for an annual service on my boiler. What's the method of
using these? Should the boiler be ignited or not? Do I have to extinguish
the pilot light? At the last service I observed white smoke from the roof
vent when smoke matches were used but I cannot replicate this.
A smoke pellet should be used for a flue flow test.
Smoke matches would usually only be used to pre test a flue before using a
smoke pellet to test the flue. They don't produce enough smoke to do a
The boiler should not be running but the pilot can be on.
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.