Description
The Weil McLain 383-700-240 is an OEM modulating control assembly kit (Kit-S Asy Mod-C) designed specifically for the WM97+ series of high-efficiency condensing gas boilers. This genuine Weil McLain replacement part ensures your WM97+ boiler’s modulating control system operates at peak performance, maintaining the precise firing-rate adjustments that make the WM97+ one of the most efficient boilers on the market.
Product Overview
The WM97+ is a wall-hung, fully condensing gas boiler known for its modulating burner technology, which continuously adjusts heat output to match building demand. The modulating control assembly is a critical component in this system, governing the communication between the boiler’s control board and the modulating gas valve or burner assembly. Replacing a worn or failed modulating control assembly with this genuine OEM kit restores factory-specified performance and helps protect the long-term reliability of your WM97+ installation.
Key Features
- Genuine Weil McLain OEM replacement part for the WM97+ condensing boiler series
- Modulating control assembly (Mod-C) supports precise, variable firing-rate operation
- Engineered to factory specifications for seamless drop-in replacement
- Helps restore full modulating efficiency and boiler responsiveness
- Supports the WM97+ platform’s high-efficiency, low-emission performance
- Kit format includes all necessary assembly components for a complete repair
Compatibility
- Designed for use with Weil McLain WM97+ series condensing gas boilers
- Consult Weil McLain documentation or your distributor to confirm compatibility with your specific WM97+ model and serial number range
Why Choose OEM Parts?
Using genuine Weil McLain replacement components ensures your boiler continues to operate within its designed parameters. Aftermarket substitutes may not meet the precise tolerances required by the WM97+ modulating control system, potentially affecting efficiency ratings, warranty coverage, and long-term reliability. Trust Weil McLain OEM kits for mission-critical boiler repairs.







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