Description
The Laars Heating Systems S2125100 is an OEM replacement burner flange gasket designed to maintain a secure, leak-free seal at the burner flange connection on compatible Laars boilers and water heaters. Engineered to Laars factory specifications, this gasket ensures proper combustion integrity and long-lasting performance in demanding hydronic and hot water heating applications.
Key Features
- OEM Laars replacement part — engineered to exact factory specifications
- 3.0 size designation for precise fitment on compatible Laars burner flange assemblies
- Maintains a reliable, airtight seal at the burner flange connection
- Helps preserve combustion efficiency and system safety
- Direct drop-in replacement for simplified installation and reduced downtime
Application
The S2125100 burner flange gasket is intended for use in Laars boilers and heating systems requiring a 3.0 burner flange gasket. Always verify compatibility with your specific Laars model before installation. For best results, replace the gasket any time the burner flange is removed for service or inspection.
Why Choose OEM Parts?
Using genuine Laars replacement parts ensures your equipment operates at peak efficiency, maintains warranty compliance, and meets the original design standards for safety and performance. Avoid costly callbacks and system failures by specifying the correct OEM gasket every time.







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