Baxi O-Ring 19.8mm x 3.6mm 7810709

This is a Baxi O-ring with a 19.8mm diameter and a 3.6mm cross-section, supplied as a pack of 10 under part number 7810709. It is a sealing component used at joints and connections within Baxi Combi 2 appliances, where it forms a watertight seal between mating surfaces. O-rings of this type are consumable items and are typically renewed during servicing or repair work.

• Visible water weeping or a drip at the joint the O-ring seals
• The O-ring is flattened, cracked, split or perished
• The rubber has hardened or lost its elasticity
• A leak appears at the connection after the appliance has been serviced or stripped down
• Scale, debris or physical damage is present on the O-ring when it is removed

• Confirm the appliance model matches one of the Baxi Combi 2 models listed above
• Check the part number 7810709 against the manufacturer's parts list for your appliance
• Measure the old O-ring to confirm the 19.8mm diameter and 3.6mm cross-section are correct for the joint
• Consider how many O-rings the job requires, as this part is supplied in a pack of 10