Sensors and Switches › Gecko Temp sensor replacement 10ft, 3/8"dia, 4-pin, Used after 5/03 34-0203D-36-K Image 1 of 3 Image 2 of 3 Image 3 of 3 Gecko Temp sensor replacement 10ft, 3/8"dia, 4-pin, Used after 5/03 34-0203D-36-K Sale Price: $29.00 Original Price: $49.99 Temperature Sensor For 6200, 6220, 6230, 6330, 7500, 9700 Control systems. After 05/200336” lead length Quantity: Add To Cart Added! Temperature Sensor For 6200, 6220, 6230, 6330, 7500, 9700 Control systems. After 05/200336” lead length Customers also purchased Sundance temp sensor 800 series with Box End, with out O-Ring 6600-167 Sale Price: $42.88 Original Price: $54.99 Sale