
Optimizing gas-to-air ratios is foundational to maintaining peak boiler efficiency, and the Weil-McLain WM560528987 natural gas main burner orifice is engineered to provide the exact metering required for stable heat output. Serving as the primary flow-control device within the burner manifold, the WM560528987 ensures that fuel delivery adheres to the strict combustion standards required for your heating system.
This orifice regulates the volumetric flow of natural gas based on supply line pressure to maintain a stoichiometric mixture. By stabilizing the flame geometry, the component facilitates complete combustion, which minimizes soot accumulation and prevents ignition inconsistencies throughout the firing cycle.
Key System Performance Baselines:
- Combustion Precision: Maintains the required stoichiometric ratio for clean, efficient fuel consumption.
- Flame Geometry: Promotes a consistent flame pattern to prevent localized hot spots and thermal stress.
- Flow Regulation: Meters natural gas delivery to match specific burner manifold design pressures.
⚠️ Application Profile: This orifice is used in residential and commercial Weil-McLain boiler systems specifically configured for natural gas service, acting as the primary restrictor for manifold-to-burner fuel delivery.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | WM560528987 |
| Manufacturer | Weil-McLain |
| Component Type | Natural Gas Main Burner Orifice |
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Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
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