Gecko Hi-Limit sensor 14" GECKO M-CLASS with blind 4 pin.
Gecko sensor. Clips onto MSPA circuit boards and tucks onto the heater. 107mm The older sensor code is 9920-100150. This sensor is NOT the same as the 9920-100318. The 9920-100150 was soldered onto the board and cannot be replaced.
Gecko sensor. The is the older sensor code 9920-100150. The Gecko 9920-100150 was soldered onto the board and cannot be replaced. The circuit board must be replaced. Contact us for advice. (Generic image)
Gecko sensor. Clips onto SSPA circuit boards and tucks onto the heater. 87mm
This common sensor 9920-400346 is the same as : 9920-400262 and 9920-400342. Gecko now only supply the 9920-400262 and this is what you will receive.