HydroQuip Temp Sensor 34-0203 for 6100 7100 710 9100 MSPA

HydroQuip Temperature Sensor HYD34-0203 or 34-0203 for spas Prior to 5/03. 

This is the original, old style version of the 34-0203 sensor with 3/8" bulb and 10ft. long cord.

Gecko Temperature Sensor 4P3W, W/M/T, 10FT, 3/8”

Temp sensor for 6100,7100, 710, 9100, 8400, 8600, 9400 & 9600 systems prior to 5/03, 2" bulb length, 3/8" diameter bulb, 10' wire length, 3 wire, 4 pin connector.

Hydro Quip / Gecko Temperature Sensor 10 Foot cable - old style (4th Position Open) . For MSPA4, MSPA5, TSPA, WH-3 4 Pin, 3 Wire connection with 3/8 inch diameter temperature Bulb.

Replaces 9920-400125 and 34-0203 , 34-0203-K,340203 , 5-60-6018 , 5-60-7006 , 613169 , 9286-08 , 9920-400125 , 9920-400747 , 9920400125.