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Laars Heating Systems S2012700 Gasket

Laars Heating Systems S2012700 Gasket

The Laars Heating Systems S2012700 Gasket is a critical sealing component engineered specifically for 3-burner tray configurations in high-output hydronic systems. As a veteran technician, you know that maintaining the integrity of the combustion chamber is paramount; this OEM replacement part provides the precise fit required to prevent flue gas bypass and ensure peak combustion efficiency. Designed to withstand the high-temperature cycling common in commercial and residential boilers, this burner tray gasket eliminates the risk of air leaks that lead to inconsistent flame signals or "hunting" during the ignition sequence.

This 3-burner interface is cross-compatible with several high-performance series, including the Laars Pennant (models 500, 750, 1250, 1500, and 1750) and Mighty Therm2 units. When performing a teardown for heat exchanger maintenance or burner inspection, replacing the S2012700 gasket is a standard best practice to avoid nuisance service calls. The high-grade, heat-resistant material retains its structural form under thermal stress, ensuring a reliable, airtight seal across the manifold assembly and maximizing the AFUE rating of the appliance.

Key Benefits
  • Precision Fit: Specifically die-cut for Laars 3-burner tray manifolds to ensure an airtight combustion chamber seal.
  • Thermal Resilience: Constructed from professional-grade, high-temperature composite materials to prevent degradation during extended run cycles.
  • Optimized Performance: Prevents secondary air infiltration, ensuring stable gas-to-air ratios and reducing carbon monoxide production.
  • Broad Compatibility: Essential for servicing Laars Pennant and Mighty Therm boiler and water heater series.
Common Questions

When should the Laars S2012700 gasket be replaced?
Standard HVAC maintenance protocols dictate replacing this gasket whenever the burner tray is pulled for cleaning or inspection. Once the assembly is torqued, the gasket compresses to form a seal; reusing a compressed gasket significantly increases the risk of gas leaks.

What are the symptoms of a failing burner tray gasket?
Look for soot patterns around the burner tray perimeter, "whistling" sounds during the induction phase, or erratic flame rectification signals. These often point to a compromised burner gasket allowing unmetered air into the combustion zone.

Does this part require adhesive during installation?
No. For the S2012700, do not use glues or RTV silicone. Ensure both the burner tray and the mounting surface are cleaned of old debris with a wire brush or scraper to achieve a flat, metal-to-metal-style seal through the gasket material.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$12.60
Laars Heating Systems S2012700 Gasket—
$12.60

Product Information

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Description

The Laars Heating Systems S2012700 Gasket is a critical sealing component engineered specifically for 3-burner tray configurations in high-output hydronic systems. As a veteran technician, you know that maintaining the integrity of the combustion chamber is paramount; this OEM replacement part provides the precise fit required to prevent flue gas bypass and ensure peak combustion efficiency. Designed to withstand the high-temperature cycling common in commercial and residential boilers, this burner tray gasket eliminates the risk of air leaks that lead to inconsistent flame signals or "hunting" during the ignition sequence.

This 3-burner interface is cross-compatible with several high-performance series, including the Laars Pennant (models 500, 750, 1250, 1500, and 1750) and Mighty Therm2 units. When performing a teardown for heat exchanger maintenance or burner inspection, replacing the S2012700 gasket is a standard best practice to avoid nuisance service calls. The high-grade, heat-resistant material retains its structural form under thermal stress, ensuring a reliable, airtight seal across the manifold assembly and maximizing the AFUE rating of the appliance.

Key Benefits
  • Precision Fit: Specifically die-cut for Laars 3-burner tray manifolds to ensure an airtight combustion chamber seal.
  • Thermal Resilience: Constructed from professional-grade, high-temperature composite materials to prevent degradation during extended run cycles.
  • Optimized Performance: Prevents secondary air infiltration, ensuring stable gas-to-air ratios and reducing carbon monoxide production.
  • Broad Compatibility: Essential for servicing Laars Pennant and Mighty Therm boiler and water heater series.
Common Questions

When should the Laars S2012700 gasket be replaced?
Standard HVAC maintenance protocols dictate replacing this gasket whenever the burner tray is pulled for cleaning or inspection. Once the assembly is torqued, the gasket compresses to form a seal; reusing a compressed gasket significantly increases the risk of gas leaks.

What are the symptoms of a failing burner tray gasket?
Look for soot patterns around the burner tray perimeter, "whistling" sounds during the induction phase, or erratic flame rectification signals. These often point to a compromised burner gasket allowing unmetered air into the combustion zone.

Does this part require adhesive during installation?
No. For the S2012700, do not use glues or RTV silicone. Ensure both the burner tray and the mounting surface are cleaned of old debris with a wire brush or scraper to achieve a flat, metal-to-metal-style seal through the gasket material.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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