Description
The Weil McLain 383-700-249 is an OEM blower kit designed specifically for the ECO and WM97+ high-efficiency condensing boiler series, size 110, Stage 2 configuration. This factory-engineered replacement kit ensures your Weil McLain boiler maintains proper combustion airflow, optimal draft performance, and reliable operation throughout its service life.
Product Overview
Engineered as a direct-fit replacement for Weil McLain ECO and WM97+ boilers, this blower kit (Kit-S Blw) is matched to the size 110 platform and Stage 2 (S2) operation. Using genuine Weil McLain components helps preserve the boiler’s efficiency ratings and ensures compatibility with existing controls and venting systems.
Key Features
- OEM blower kit designed for Weil McLain ECO and WM97+ boiler series
- Sized for the 110 model platform
- Stage 2 (S2) configuration for multi-stage combustion control
- Direct-fit replacement — no modifications required
- Supports proper combustion airflow and draft performance
- Helps maintain boiler efficiency and reliability
Compatibility
- Weil McLain ECO Series boilers — Size 110
- Weil McLain WM97+ Series boilers — Size 110
- Stage 2 (S2) blower applications
Why Choose OEM Weil McLain Parts?
Using factory-specified components like the 383-700-249 blower kit ensures your boiler continues to operate at its rated efficiency and meets manufacturer warranty requirements. Aftermarket substitutes may compromise combustion performance, venting integrity, and long-term reliability. Trust genuine Weil McLain parts for every service call.







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