Ariston Chaffoteaux gaskets, O-rings, seals and washers are used in most boilers to provide a seal and prevent the loss of air, gas and water. Many of the O-rings, gaskets, seals and washers are specific to a certain location within the appliance and are extremely rarely interchangeable due to size and thickness. They allow the system to be sealed, reducing the probability of leakage.

Brand Name	Chaffoteaux