Description
Overview
The Xylem-McDonnell & Miller 325500 is a genuine OEM replacement head gasket designed specifically for use with the 150 Series low-water cutoff and pump control units featuring raised flange head configurations (Model Number 150-14H). This precision-engineered gasket ensures a reliable, leak-free seal between the head and body of the control unit, maintaining the integrity of your hydronic or steam boiler system.
Key Features
- Genuine OEM replacement part from Xylem-McDonnell & Miller
- Designed for 150 Series low-water cutoff and pump control units
- Compatible with raised flange head units (Model Number 150-14H)
- Includes mounting holes for secure, properly aligned installation
- Ensures a tight, leak-free seal for reliable boiler system operation
- Manufactured to OEM specifications for consistent fit and performance
Application
This head gasket is the correct replacement component when servicing or rebuilding McDonnell & Miller 150 Series controls with raised flange heads. Proper gasket replacement is essential to maintaining safe boiler operation and preventing water or steam leaks at the control head interface.
Compatibility
- McDonnell & Miller 150 Series low-water cutoff and pump control units
- Raised flange head units — Model Number 150-14H
Part Information
- SKU: 325500
- Model: 150-14H
- Brand: Xylem-McDonnell & Miller







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