3Pack Water Heater Protection Switch Key benefits Prevents dry starts: the switch automatically keeps the filter closed when the tank is dry, preventing heatingelement damage and costly repairs. Extends appliance life: by stopping the heater from running without water, it reduces wear and extends the lifespan of seasonal and regularly used units. Safer materials: constructed from lead materials and built to meet applicable safety standards for safer household and commercial use. Reliable electrical performance: rated for 16 A and 250 V AC with a singledirection circuit type to deliver consistent electrical flow to your heater. What it does Automatically detects lowwater conditions and closes the filter to stop the heater from operating without water, protecting the tank and heating components. Provides a compact, durable switching solution suitable for small heaters and auxiliary tanks where drystart protection is required. Specifications Pack: 3 switches Electrical rating: 16 ampere, 250 volt AC working capacity Circuit type: singledirection Material: lead construction (meets safety standards) Size: 0.79 x 1.42 inches (2 x 3.6 x 3.6 cm) Practical applications Seasonal cottages, vacation homes, and cabins: prevents damage during periods of inactivity or winterization. RVs, boats, and mobile units: protects compact water heaters and tanks that may run intermittently. Workshop or garage tanks and small residential heaters: adds drystart protection to auxiliary or replacement units. Installation and fit Compact design fits neatly within most water heater setups that use a singledirection circuit switch. Sold as a 3pack for replacements, spares, or multiple installations. Why customers choose this switch Straightforward protection that prevents a common cause of water heater failure. Lead construction and adherence to safety standards for peace of mind. Clear electrical ratings and compact size make it an easy, effective addition to seasonal and everyday heating systems.