Description
The Weil McLain 383-900-110 is an OEM service board kit designed specifically for Weil McLain Commercial EverGreen boilers in the 70–155 model range, Series 1. This replacement kit ensures your commercial hydronic heating system is restored to factory specifications, maintaining safe and efficient boiler operation.
Product Overview
This service board kit is engineered as a direct OEM replacement for the control board assembly used in Weil McLain Commercial EverGreen (EVG) Series 1 boilers. Designed for commercial applications, it supports the demanding performance requirements of larger hydronic heating systems and provides a reliable path to restoring full boiler functionality.
Key Features
- OEM Weil McLain replacement service board kit
- Compatible with Commercial EverGreen (EVG) boiler models 70 through 155
- Designed for Series 1 (S1) configurations
- Supports commercial hydronic heating applications
- Restores factory-specified control board performance
- Engineered for straightforward service and installation
Compatibility
- Boiler Line: Weil McLain Commercial EverGreen (EVG)
- Model Range: 70–155
- Series: Series 1 (S1)
Why Choose OEM Weil McLain Parts?
Using genuine Weil McLain replacement components ensures compatibility, maintains warranty integrity, and delivers the performance reliability your commercial heating system demands. Avoid costly downtime by keeping critical service parts on hand.







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