Description
The Xylem-McDonnell & Miller 310462 Snap Switch Assembly (Model SWA150S) is a genuine OEM replacement component designed specifically for use with the McDonnell & Miller 150S Series low water cut-off controls. This snap switch assembly ensures your boiler’s low water cut-off operates with the precision and reliability that McDonnell & Miller products are known for, providing critical protection against low water conditions that can cause serious boiler damage.
Product Overview
The SWA150S snap switch assembly is the factory-specified replacement for the switching mechanism within the 150S Series low water cut-off. When the original snap switch shows signs of wear, failure, or inconsistent operation, replacing it with this genuine OEM assembly restores full functionality and maintains the safety integrity of your boiler system.
Key Features
- Genuine OEM replacement snap switch assembly for McDonnell & Miller 150S Series low water cut-offs
- Engineered for precise, reliable switching action to protect boiler systems from low water conditions
- Direct drop-in replacement — no modifications required
- Manufactured to original factory specifications for consistent performance
- Supports safe boiler operation by ensuring accurate low water cut-off response
- Compatible with the McDonnell & Miller 150S Series low water cut-off controls
Application
- Replacement snap switch for McDonnell & Miller 150S Series low water cut-off controls
- Suitable for steam and hot water boiler systems
- Ideal for commercial and residential hydronic heating applications
Specifications
- SKU: 310462
- Model Number: SWA150S
- Compatible Series: McDonnell & Miller 150S Series
- Brand: Xylem-McDonnell & Miller
- Component Type: Snap Switch Assembly







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