Cover-Pools 050404 Kosa 2 Switch Assembly in Enclosure 120/220v 22mm for Electric & Hydraulic Automatic Cover Systems

This item has been discontinued by Cover-Pools. The most common replacement is the Cover-Pools 050504 Toggle Switch Assembly.

This sealed key switch assembly provides secure keyed control for automatic pool covers and is built for poolside installation. It fits a standard 22mm panel cutout and is compatible with many electric and hydraulic cover controllers including Kosa II and Safe T Cover II. The heavy duty enclosure improves weather resistance and prolongs switch life in outdoor environments.

• Key benefits
  • Standard 22mm keyed interface for reliable control of open stop and close functions
  • Selectable 120 220 volt operation for use with single phase cover motors
  • Weather resistant enclosed housing rated for outdoor poolside mounting
  • SPDT maintained keyed switch for positive open off close control
  • Direct replacement for common automatic pool cover control panels

• Specifications
  • Panel cutout: standard 22mm mounting hole
  • Voltage: selectable 120 220 volt single phase
  • Contacts: SPDT maintained keyed switch
  • Enclosure: weather resistant outdoor rated housing with wiring knockouts for conduit or gland
  • Compatibility: commonly fits Kosa II and Safe T Cover II systems and other brands using 22mm keyed switches

• Mounting and wiring
  • Install into a 22mm panel cutout or use the enclosure knockout for surface mounting
  • Wire line neutral and ground per local electrical code and the cover system wiring diagram
  • Connect switch output leads to the cover controller or motor relay as specified by the cover manufacturer
  • Always disconnect power before servicing and confirm voltage selection matches the cover system

• Included with part
  • Prewired 22mm keyed switch in weather resistant enclosure
  • Mounting gasket and hardware
  • Key set and installation instruction sheet

Troubleshooting and tips

• Key will not turn. Inspect for debris and ensure correct key is used
• Switch does not operate. Verify incoming power at the switch and check fuses or breakers
• Intermittent operation. Inspect wiring terminations for corrosion or loose connections and secure as needed
• Use marine grade silicone around exterior cutouts to reduce water intrusion

Safety and warranty

• Turn power off before servicing equipment and follow local electrical codes. Use a licensed electrician for line voltage wiring
• Warranty: consult manufacturer warranty terms and contact support to confirm coverage and part authenticity

If you are unsure about fit or wiring please contact support with your cover model serial number and photos of the existing switch assembly for fit confirmation and installation assistance.