Description
The Lochinvar & A.O. Smith 100287085 is an OEM replacement Burner Plate Insulation Door designed to maintain proper combustion chamber integrity in compatible water heaters and boilers. This component serves as a critical thermal barrier at the burner plate assembly, helping to contain heat, reduce energy loss, and protect surrounding components from excessive temperatures during operation.
Key Features
- OEM replacement part engineered to Lochinvar & A.O. Smith factory specifications
- Functions as a thermal insulation barrier at the burner plate door
- Helps maintain combustion efficiency by minimizing heat loss
- Protects adjacent components from radiant and conductive heat exposure
- Direct-fit replacement for compatible Lochinvar and A.O. Smith water heater and boiler models
- Supports safe, reliable burner operation when properly installed
Application
This burner plate insulation door is intended for use in Lochinvar and A.O. Smith commercial and residential water heating equipment. Always verify compatibility with your specific model number before ordering. For best results, replace this component as part of a routine maintenance inspection or whenever signs of wear, cracking, or heat damage are observed on the existing insulation door.
Why Choose OEM Parts?
- Ensures proper fit and function without modification
- Maintains manufacturer warranty compliance
- Delivers consistent performance and longevity
- Reduces the risk of combustion inefficiency or safety issues caused by ill-fitting aftermarket components







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