Fuel Level Sensors, Level Switch manufacturer / supplier in China, offering Low Level Alarm Switch for Liquid Water Oil Diesel Tank with NBR Float NPT 1" Thread, Dual- Float Liquid Water Fuel Oil Genset Diesel Bio-Diesel Holding Tank High/Low Alarm Level Switch, Side-Mount/Top Mounting Electronic/Magnetic Stainless Steel/PP/Plastic Float Fuel/Water/Diesel/Fluid/Diesel Level Control Switch and so on.