Description
The Utica-Dunkirk 240008261 is an OEM silicone O-ring sized #234, engineered as a direct replacement seal for compatible Utica-Dunkirk boiler and hydronic heating equipment. Silicone construction provides excellent resistance to heat, compression set, and the demanding operating conditions found in residential and light-commercial boiler systems, helping maintain a leak-free seal over the long service life of the equipment.
Key Features
- OEM Utica-Dunkirk replacement part — ensures proper fit and performance
- Silicone (SLCN) material construction for superior heat and chemical resistance
- Standard #234 O-ring sizing for precise, reliable sealing
- Designed for use in boiler and hydronic heating system applications
- Helps prevent fluid leaks and maintain system efficiency
Product Specifications
- Brand: Utica-Dunkirk
- Part Number: 240008261
- Material: Silicone (SLCN)
- O-Ring Size: #234
- Application: Boiler / Hydronic Heating Systems
Application
This silicone O-ring is intended for use in Utica-Dunkirk boilers and hydronic systems requiring an OEM-spec #234 seal. Always verify compatibility with your specific equipment model before installation. Replace worn or damaged O-rings during routine maintenance to prevent leaks and protect system components.







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