Description
The Weil McLain 560-528-985 is an OEM replacement LP (propane) gas pilot orifice engineered to deliver consistent, reliable pilot flame performance in compatible Weil McLain boiler systems. Featuring a precision-drilled .010″ diameter opening, this orifice meters propane gas flow to the pilot burner at the exact rate required for stable ignition and safe operation.
Product Overview
Pilot orifices are critical components in standing pilot and intermittent pilot ignition systems. The precisely sized .010″ orifice diameter is calibrated specifically for LP/propane gas service, ensuring the correct fuel-to-air mixture reaches the pilot burner. Using the correct OEM orifice helps maintain proper flame size, prevents nuisance pilot outages, and supports safe, code-compliant boiler operation.
Key Features
- OEM Weil McLain replacement part — SKU 560-528-985
- Designed for LP (liquefied propane) gas service
- Precision .010″ orifice diameter for accurate gas metering
- Ensures stable pilot flame and reliable ignition
- Direct replacement for compatible Weil McLain boiler models
- Supports safe, efficient boiler operation
Application
This pilot orifice is intended for use in Weil McLain boilers equipped with LP/propane gas pilot assemblies. Always verify compatibility with your specific boiler model and series before installation. Consult the Weil McLain product documentation or a qualified HVAC technician to confirm the correct orifice size for your application.
Installation Notes
- For LP (propane) gas applications only — do not use with natural gas systems without proper conversion
- Installation should be performed by a licensed HVAC or gas service technician
- Verify orifice diameter and thread specifications match the existing pilot assembly
- Follow all local codes and manufacturer guidelines during installation
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