Aopin Water Level Sensor Switch, 2 Pc., Stainless Steel, Liquid Level Sensor Product Features ?Specification?: Max Switching Current : 0.5 A ; Max Breakdown Voltage : 220V ; Max Carry Current : 1.0 A ; Max Pressure: 100 PSI / 248?F (120?C) ; Wire Length : 300mm ; M10 Metric Thread. Model: ZS12010:. ?Application?: Liquid level sensor is a device used to sense the liquid level in the storage tank. This product can be used for liquid level sensing, alarm, signal transmission in water dispensers, water purifiers, water heaters, coffee machines, small refrigerators and other home appliances. Specially used for fish tanks, water pumps, cooling barrel, ponds, agricultural equipment, cistern alarm, sump filter aquarium swim pool, garden, well, water towers and other fields. ?HIGH QUALITY MATERIALS?: The liquid level switch is made of high quality stainless steel as a whole, seamless laser welding, no burrs, compact durable. High temperature resistance. Stainless steel even can work at temperatures up to 248?F(120C). The maximum pressure resistance of the stainless steel float can reach 30kg/cm2. Contacts are plated with rhodium, its life span can reach 2 million times. Switch liquid controller can be installed above or on side of the liquid level as required. ?HIGH SENSITIVITY?: Our ring magnet inside the float accurately controls the on and off of the reed switch. Sealing gasket can prevent water from leaking from the mounting hole. High temperature resistant wire copper plated with silver, surface braided layer insulation, high temperature resistant, prevent oxidation, greatly extending the service life. Connection part adopts waterproof solid glue, which has better waterproof performance and good sealing effectand to protect the safety of users! ?DIY CAN BE ADJUSTED?: Normally Closed (NC) and Normally Open (NO) can be adjusted manually, you need to use a vise to pull down the circlip under the float switch, Then adjust the direction of the float to realize the conversion between "NC" and "NO". The normal state is "NC". The liquid with high viscosity, generally should choose a larger outer diameter Float. If you want to control a large liquid range, you can use 2 different length combinations, or buy a double float level switch. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!