Description
The Lochinvar & A.O. Smith 100287071 is a genuine OEM replacement K Gasket designed for the water tube assembly on select Lochinvar and A.O. Smith boiler and water heater models (series 56–156). Engineered to exact factory tolerances, this gasket delivers a dependable, leak-free seal that helps maintain system efficiency and extend equipment service life.
Key Features
- Genuine OEM replacement part — ensures proper fit and performance
- Designed for water tube assemblies on Lochinvar & A.O. Smith units (series 56–156)
- Provides a reliable, leak-free seal to protect system integrity
- Manufactured to factory specifications for long-lasting durability
- Direct drop-in replacement for fast, straightforward installation
Compatibility
- Compatible with Lochinvar and A.O. Smith boiler and water heater models in the 56–156 series range
- Refer to your equipment’s service manual or parts list to confirm fitment before installation
Product Details
- Brand: Lochinvar & A.O. Smith
- Part Number: 100287071
- Part Type: K Gasket, Water Tube
- Series: 56–156







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