Worcester Bosch Elbow Flow Assembly Heat Exchanger 8716117063

The Worcester Bosch elbow heat exchanger flow assembly, part number 8716117063, is a directional fitting that sits on the flow side of the heat exchanger in Worcester Bosch Greenstar i ErP System appliances. It forms part of the sealed hydraulic circuit, guiding water at the heat exchanger connection point. As a gas appliance component, it is supplied as a Worcester Bosch spare and is listed under part type Elbows.

• Visible weeping or dripping at the elbow where it meets the heat exchanger connection
• Damp staining, crusting or limescale trails around the fitting on the appliance casing or pipework
• A gradual loss of system pressure that cannot be traced to any other joint or component
• Corrosion or pitting on the elbow body, particularly where it seats against the heat exchanger
• Water tracking down the flow pipework during a service or pressure test

• Check the GC number and appliance serial plate against the compatibility list to confirm the correct variant for your boiler
• Confirm the part number on the existing fitting or in the appliance documentation before ordering
• Note the alternative part number 1031133 when cross-referencing older stock or paperwork
• This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.