Xylem 304300 FS1-17 Replacement Switch Assembly SPDT

The Xylem 304300 FS1-17 is a genuine replacement switch assembly designed specifically for FS1 series high sensitivity liquid flow switches. This replacement switch assembly is compatible with FS1, FS1-W, FS4-3D, FS5, FS6, FS8-W, and AFE-1 flow switches. The switch features single pole, double throw (SPDT) configuration, providing reliable electrical switching capability for flow control applications.

Key Features:

• Genuine OEM replacement switch assembly for FS1 series flow switches
• Single pole, double throw (SPDT) snap switch design
• Restores electrical switching function to existing flow switches
• Compatible with multiple McDonnell & Miller flow switch models
• Designed for high sensitivity flow detection applications
• Suitable for HVAC, hydronic systems, and industrial process applications

This switch assembly is ideal for applications in air conditioning, heating systems, water flow monitoring, fuel oil systems, and process work involving viscous liquids and oils. The SPDT configuration allows the switch to make or break an electrical circuit when flow stops or starts, providing essential protection and control for boilers, pumps, and other fluid handling equipment.