Weil-McLain CGi-25 Series 3 Boilers Gas Conversion Kit Model W510811260
Upgrade your Weil-McLain CGi-25 Series 3 boiler with the W510811260 Natural Gas to Propane (LP) Conversion Kit—designed to deliver seamless fuel flexibility without compromising performance. Whether you're switching to propane for availability, efficiency, or preference, this OEM-approved kit ensures a safe and reliable conversion process.
Features:
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OEM-Engineered Compatibility: Specifically designed for Weil-McLain CGi-25 Series 3 gas boilers
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Fuel Conversion: Converts from natural gas to liquid propane (LP)
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Complete Kit: Includes all essential components for a proper, code-compliant conversion
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Tested and Approved: Meets manufacturer standards for safety, performance, and reliability
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Easy Installation: Straightforward instructions for qualified HVAC professionals
What Our Experts Think
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OEM‑matched fuel conversion: The Weil‑McLain CGi‑25 Series 3 Gas Conversion Kit (Model W510811260) lets HVAC pros safely convert compatible boilers between natural gas and propane (LP) while maintaining proper combustion and efficiency.
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Precision‑calibrated components: Includes the correct jets/orifices and hardware sized for the CGi‑25 platform, ensuring accurate flame, heat output, and safe operation after conversion.
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Quality and compatibility: Designed by Weil‑McLain to meet manufacturer specifications, reducing guesswork and helping preserve performance and reliability.
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Service‑friendly layout: Parts are organized for efficient installation by a licensed technician, saving time on the job.
Product Q&A
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What is this conversion kit for?
To convert a Weil‑McLain CGi‑25 Series 3 boiler between natural gas and propane (LP) fuel.
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Will it work on other models?
No — this kit is made specifically for the CGi‑25 Series 3 platform; always confirm your exact model before purchasing.
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Does it include all parts needed?
Yes — it typically includes propane‑ or natural‑gas‑specific jets/orifices and necessary hardware for conversion.
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Can I install it myself?
No — propane/natural gas conversions must be done by a qualified HVAC or gas‑licensed technician to ensure safe, code‑compliant combustion tuning.
Maintenance Tips
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Post‑conversion combustion check: After installation, have a technician verify flame quality and combustion settings for safe and efficient operation.
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Inspect gas fittings and lines: Regularly check connections and regulators to confirm secure, leak‑free performance.
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Include in annual service: Add the converted boiler to your yearly maintenance schedule so burner, heat exchanger, and controls are routinely evaluated.
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Use OEM parts: Always use Weil‑McLain‑approved kits and components to maintain performance, safety, and warranty compliance.
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Monitor system performance: Keep an eye on pressure, temperature, and heat delivery — abnormal changes may indicate tuning needs after conversion.
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