Description
Product Overview
The Xylem McDonnell & Miller 310468 (Model SWA158S) is a genuine OEM snap switch assembly designed as a direct replacement component for the McDonnell & Miller 158S Series low-water cutoff controls. Engineered to restore reliable switching performance in hydronic boiler systems, this assembly ensures your boiler protection control operates safely and accurately.
Key Features
- Genuine Xylem McDonnell & Miller OEM replacement part
- Designed specifically for the 158S Series low-water cutoff controls
- Snap-action switching mechanism for fast, positive response
- Restores proper low-water cutoff function to protect boiler equipment
- Direct drop-in replacement for simplified installation
- Durable construction for long-term reliability in demanding hydronic applications
Application
This snap switch assembly is intended for use with McDonnell & Miller 158S Series low-water cutoff and pump controllers, commonly installed on steam and hot water boilers. Low-water cutoffs are critical safety devices that shut down the burner when water drops below a safe operating level, preventing costly boiler damage and potential hazards. Replacing a worn or faulty snap switch restores the control’s protective function without requiring full unit replacement.
Specifications
- SKU: 310468
- Model Number: SWA158S
- Compatible Series: McDonnell & Miller 158S
- Part Type: Snap Switch Assembly
- Brand: Xylem McDonnell & Miller
Why Choose Genuine OEM Parts?
Using genuine Xylem McDonnell & Miller replacement components ensures compatibility, maintains the integrity of your safety control, and supports the performance standards your boiler system depends on. Aftermarket substitutes may not meet the original design tolerances required for reliable low-water cutoff operation.
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