Weil-McLain 510811644 Natural Gas Pilot Replacement Kit, CG Boilers, CGa Boilers

Weil-McLain Natural Gas Pilot Replacement Kit – OEM Assembly for CG and CGA Boilers

The Weil-McLain Natural Gas Pilot Replacement Kit is engineered for direct use with CG and CGA series boilers, providing a reliable OEM solution for maintaining ignition safety and burner performance. This assembly ensures dependable pilot operation, reducing the risk of nuisance shutdowns and maintaining proper combustion control.

Professional Advantages

• OEM Fit: Manufactured to match Weil-McLain specifications for CG and CGA boilers.
• Complete Assembly: Includes main burner with pilot bracket, pilot burner, and Honeywell Q350A1305 thermocouple.
• Consistent Ignition: Standing pilot design provides steady, reliable operation under varying load conditions.
• Durable Components: Built for long service life in high-temperature environments.

Technical Specifications

• Manufacturer: Weil-McLain
• Application: CG and CGA boiler models (all sizes)
• Components: Pilot burner assembly, mounting bracket, Honeywell Q350A1305 thermocouple
• Fuel Type: Natural Gas
• Design: Standing pilot ignition system

Installation Requirements

Installation of this pilot kit should be performed by a licensed HVAC or plumbing professional. Proper gas connections, combustion adjustments, and safety testing are essential to ensure code compliance and correct system performance. While the assembly is designed for straightforward replacement, field verification of draft, ignition sequence, and flame signal is required after installation.

Contractor Notes

For Contractors: This pilot kit provides a ready-to-install OEM solution, minimizing downtime during service calls and ensuring reliable boiler performance. It eliminates the need for aftermarket substitutions, maintaining system integrity and warranty compliance.

For Skilled Installers: Ensure proper alignment of the pilot bracket and confirm thermocouple millivolt output during commissioning. A final leak test and combustion safety check are mandatory before returning the boiler to service.

Performance Benefits

• Reliable Ignition: Stable flame signal ensures continuous boiler operation.
• Extended Service Life: Honeywell thermocouple offers proven durability and precision.
• Reduced Callbacks: Contractor-grade assembly helps avoid ignition-related service issues.
• Safe Operation: Maintains compliance with boiler safety standards and operating codes.

The Weil-McLain Natural Gas Pilot Replacement Kit is a direct-fit, professional-grade solution for CG and CGA series boilers. Designed for accuracy, durability, and safety, it is the correct choice for reliable ignition and long-term performance in the field.