Worcester Bosch Flue Tube 24i 8716117020

The Worcester Bosch flue tube, part 8716117020, is a flue assembly component used on Greenstar i ErP System boilers. It forms part of the flue run that carries products of combustion away from the heat exchanger and out of the property. The tube sits behind the boiler and is a load-bearing part of the appliance's safe gas removal path.

• Visible corrosion, pitting or perforation on the flue tube wall
• Staining, damp patches or condensate tracking around the flue entry point
• Combustion readings outside the expected range, or a flue gas analyser test that fails
• Boiler lockout or flue-related fault codes appearing during operation
• Physical damage to the tube found during a service or flue inspection

• Check the GC number on the appliance data badge against the compatibility list below.
• Confirm the boiler model and variant, LPG or NG, matches one of the listed appliances.
• Inspect the flue seals and gaskets while the flue is open and renew any that are disturbed.
• This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.