Gecko sensor 9920-400446 9920-400643 Both of these codes are the same sensor and you will receive of them that will of course work for both codes.
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
There is one sensor that covers these 3 sensor codes : 9920-400346 9920-400262 9920-400342 You will receive the one sensor that works all.
Gecko sensor with code 9920-400125. The 9920-400125 has been used by many brands of spas like Arctic Spa, Artesian Spas, Coyote Spa, Gulf Coast, Hotspot, Hydrospa, Inspirations, LA Spas, Southwest Spas & Sunrise spas. Also crosses to a Dimension 1 Spas code 01560-80.