Xylem 310488 SWA-42S Snap Switch Assembly for Series 42S Boiler Controls

The Xylem 310488 is a genuine McDonnell & Miller SWA-42S snap switch assembly designed specifically for Series 42S boiler control systems. This critical replacement component ensures reliable switching operation in low-water cutoff and liquid level control applications for steam and hot water boilers.

Key Features:

• Direct replacement snap switch assembly for McDonnell & Miller Series 42S controls
• Engineered for commercial, industrial, and residential boiler applications
• Manufactured by McDonnell & Miller, a trusted Xylem brand with decades of boiler control expertise
• Provides dependable switching action for safety and operational control
• Factory-tested for quality and reliability

McDonnell & Miller, a Xylem brand, is recognized as an industry leader in engineering and manufacturing boiler controls, liquid level controls, low-water cutoffs, and flow switches. This snap switch assembly maintains the high standards required for safe boiler operation in demanding heating applications.