When you only need to extend your flue by a short distance it can be both inconvenient and wasteful to purchase an entire extension piece. Thanks to Worcester shortened flue extension piece (7716191133) for times when you only need the flue to reach that...

Plume Management 1m extension (7716191083) for where the standard flue is not long enough.

The Worcester Bosch condensfit II 60/100mm long telescopic flue kit (7716191171) is the longer version of the standard telescopic flue kit.