
This heavy-duty base assembly provides the foundational structure required for proper thermal management within LGB series 3 hydronic boilers. The 383-301-007 assembly ensures that the heat exchanger and combustion chamber remain perfectly aligned, which is critical for maintaining combustion efficiency and preventing cabinet vibrations during high-fire cycles.
By distributing the weight of the cast iron heat exchanger uniformly across the floor, this Weil-McLain LGB component prevents mechanical fatigue and stress fractures that can compromise boiler integrity over time. Its robust design allows for simplified leveling during initial deployment or retrofit procedures, ensuring a secure mounting platform.
Key System Performance Baselines:
- Structural Stability: Engineered to support the full operating weight of the Size E LGB boiler series.
- Alignment Precision: Facilitates correct orientation of internal components to maintain optimal flame geometry.
- Installation Efficiency: Streamlined mounting points allow for rapid alignment during multi-unit installations.
⚠️ Application Profile: Specifically designated for commercial hydronic heating systems utilizing Weil-McLain LGB series 3 boilers (Size E) requiring structural foundation replacement or system overhaul.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 383-301-007 |
| Model Designation | LGB Series 3 |
| Boiler Size | Size E |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.