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The Navien 20018079A is a silicone O-ring designed for use with the NPE series condensing gas tankless water heaters. This O-ring has an inner diameter of three point one inches and an outer diameter of seventy-four point four inches. It is an essential component for ensuring the proper functioning and sealing of your water heater.
This silicone O-ring is built to maintain effective seals, preventing leaks and ensuring efficient operation of your water heater.
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