Description
Weil McLain 540-202-839 WM97+/ECO 155 LP Orifice Assembly
The Weil McLain 540-202-839 is a genuine OEM Liquid Propane (LP) Orifice Assembly engineered specifically for use with the WM97+ and ECO 155 condensing boiler series. Designed to exacting manufacturer tolerances, this orifice assembly ensures precise fuel metering and consistent combustion performance, helping maintain the high-efficiency ratings these boilers are known for.
Why Use a Genuine OEM Orifice Assembly?
Using an authentic Weil McLain replacement part guarantees compatibility with your WM97+ or ECO 155 boiler. Aftermarket substitutes can compromise fuel-to-air ratios, reduce efficiency, and potentially void manufacturer warranties. This LP orifice assembly is calibrated specifically for liquid propane operation, making it the correct choice when converting or servicing a propane-fired unit.
Key Features
- Genuine Weil McLain OEM replacement part
- Designed for Liquid Propane (LP) fuel applications
- Compatible with WM97+ and ECO 155 condensing boiler models
- Precision-calibrated orifice for accurate fuel metering
- Supports optimal combustion efficiency and reliable burner operation
- Direct drop-in replacement — no modifications required
Compatible Models
- Weil McLain WM97+ Series
- Weil McLain ECO 155 Series
Part Information
- Manufacturer: Weil McLain
- Part Number: 540-202-839
- Fuel Type: Liquid Propane (LP)
- Component Type: Orifice Assembly
