Starting at $278.00
  • Usually ships in 2-3 weeks



  • Horizontal mounting
  • 0.6 float specific gravity
  • -40 to 368°F (-40 to 187°C) standard temperature range
  • -40 to 500°F (-40 to 260°C) high temperature range
  • 100W max switch capacity (resistive load only)
  • Up to 120 VDC, 240 VAC voltage rating


The APG FS-500 horizontal float switch features all 316L stainless steel wetted materials, user-reversible logic function, and NSF 169 and CSA approvals. Additionally, the FS-500 has options for standard or high operating temperature ranges, and three fitting configurations. The FS-500 with bulkhead mounting is rated for up to 100 psi (6.9 bar), while the switch with NPT mountings is rated for up to 300 psi (20.7 bar). The versatility of the FS-500 switch makes it ideal for OEM, water and wastewater, chemical, and specialty food equipment applications.