WEIL-MCLAIN WM383700200 - ECO 155 Maintenance Kit
WEIL-MCLAIN WM383700200 - ECO 155 Maintenance Kit
Couldn't load pickup availability
Ships factory-new in original packaging.
Not sure if a compatible flange, seal kit, or accessory exists for this item? Ask our team — we're happy to help you find the right part.
TIPS Contract Vendor
Officially awarded purchasing cooperative vendor.
Why Buy From Us
Every quote personally reviewed. Direct sourcing from top manufacturers.
Ensuring peak combustion efficiency for your hydronic heating system requires consistent servicing of the fuel delivery components. The WM383700200 maintenance kit provides the factory-specified hardware needed to sustain the performance of the Weil-McLain Eco 155 boiler. By performing these scheduled service updates, you preserve the integrity of the gas delivery assembly and prevent common ignition irregularities during peak demand.
This kit targets the mechanical interfaces responsible for precise gas flow regulation and secure sealing. These components work in tandem with the boiler control board to modulate gas input accurately, ensuring the burner maintains the correct stoichiometry required for clean, reliable operation and system longevity.
Key System Performance Baselines:
- Combustion Precision: Maintains factory-set fuel-to-air ratios for cleaner burning.
- Ignition Reliability: Reduces the risk of flame failures by updating critical wear points.
- Control Responsiveness: Ensures the gas valve assembly reacts correctly to modulation demands.
⚠️ Application Profile: Recommended for annual service cycles and combustion chamber maintenance on the Weil-McLain Eco 155 residential hydronic boiler platform.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | WM383700200 |
| Model Designation | Eco 155 |
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.