LS-7 Series Float Level Switches are low-cost units ideal for high volume use in small tanks and vessels. The LS-7 plastic series features engineered plastics construction which offers broad compatibility in water, oils and chemicals. The LS-7 Zinc Alloy and/or 316 Stainless Steel series offers durability for a rugged environment. Depending on the mounting position, the float on these switches can either rise or lower with the liquid level. By rotating the switch 180 degrees, the switch operation can be Normally Open or Normally Closed.