The Wema Fuel/Water Sender Unit S3 (1 ¼” BSP male thread) is a premium sensor crafted for precise monitoring of fuel and water tanks on marine vessels. Constructed from Stainless Steel AISI 316, it ensures durability in harsh marine conditions. Compatible with both 12V and 24V systems, this unit offers standard resistances of 0-190 ohm for European gauges and 240-30 ohm for American gauges. Its ISO8846 certification guarantees accurate fluid level readings. With a 0.5m cable and a Ø 55mm flange size, installation is convenient. Trust the Wema Fuel/Water Sender Unit S3 for reliable and accurate fluid level data in your tanks.