Genuine OEM replacement temperature and hi limit sensor designed for use in Sundance and Jacuzzi spas. This in-line sensor provides reliable temperature monitoring and safety cutoff to protect heater components and maintain accurate water temperature control.

• Key features: 1/4 inch stainless probe, box end connector, 96 inch two wire lead, hi limit function, OEM quality
• Durable construction: corrosion resistant probe and sealed wiring for long life in spa environments
• Plug and play: direct replacement for compatible spa control systems with box end connector
• Safety role: acts as a secondary hi limit to shut down the heater in over temperature conditions

Technical specifications

• Probe diameter 1/4 inch
• Lead length 96 inch two conductor
• Connector style box end
• Function temperature sensing and hi limit
• Part number 6600-110

Compatibility and installation

Compatible with many Sundance and Jacuzzi spa models that use a 1/4 inch probe with box end connector. Installation is straightforward for a service technician or experienced spa owner. Always disconnect power to the spa before servicing. When replacing the sensor verify connector orientation and terminal locations match the control board or wiring harness. If uncertain refer to the spa service manual or contact our support team for model specific guidance.

Testing and maintenance

Test continuity and resistance with a multimeter to confirm proper operation prior to installation. Regular inspection of wiring and connectors helps prevent false trips and ensures reliable temperature control. Replace immediately if wiring insulation is compromised or the probe shows visible corrosion.

Why choose this sensor

OEM fit and function ensures correct operation with original spa controls. Using a genuine replacement part helps avoid compatibility issues and maintains the integrity of the heater and safety systems. For troubleshooting or part confirmation provide the part number 6600-110 and your spa model number when contacting support.