This thermistor is used in Watkins Hot Springs, Limelight and Tiger River IQ2020 control systems from 2002 to Current. The New Design is Direct Replacement for Original Model - Change is Housing was Extended Allowing the Thermistor to Sit Deeper in Water for Better Temperature Readings.
Includes:AI # 5-60-5010 / MFG # 39205
AI # 1-05-0218 / MFG # 34878
Replacement For: MFG # 39530