Description
The Laars Heating Systems 20401201 is a natural gas (NG) burner with pilot assembly, engineered as a direct OEM replacement for compatible Laars heating equipment. Designed to restore dependable ignition and consistent combustion performance, this assembly integrates the burner and pilot components into a single, ready-to-install unit — simplifying the service process and minimizing equipment downtime.
Key Features
- Natural gas (NG) configuration for compatibility with standard gas supply systems
- Integrated pilot assembly for reliable ignition sequencing
- OEM-quality construction engineered to Laars Heating Systems specifications
- Drop-in replacement design for straightforward installation
- Helps restore full heating output and combustion efficiency
Applications
- Replacement burner and pilot assembly for compatible Laars boilers and water heaters
- Ideal for residential and light commercial hydronic heating systems
- Suitable for use by licensed HVAC and plumbing technicians performing burner service or maintenance
Why Choose OEM Laars Parts?
Using genuine Laars replacement components ensures your equipment operates within its original design parameters, supporting safe combustion, optimal efficiency, and long-term reliability. The 20401201 burner with pilot assembly is the correct factory-specified part for applicable Laars models, helping you avoid compatibility issues associated with aftermarket alternatives.
Important Note
- Verify compatibility with your specific Laars model before ordering
- Installation should be performed by a qualified technician in accordance with local codes and the manufacturer’s instructions







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