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This O-Ring set (4ea) is used on both the straight and angled water connection sockets, for the following Hydronic S3 water heaters: B4E 20.2007.05.000, D4E 25.2933.05.0000 & 25.2943.05.0000, B5E 20.2008.05.0000, D5E 25.2934.05.0000 & 25.2942.05.0000.
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🇺🇸 Ship from USA · On Agora since 2025
$15.20