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The SEPTIC PRODUCTS SMD-5H, also known as the SPI Observer 500, is an indoor and outdoor water alarm panel. It is designed to notify you when water levels exceed a defined point, activating the included mechanical drift switch. The Observer 500 features a six-foot power cord and a NEMA 4X rated, weather-resistant enclosure.
Durable and weather-resistant, the Observer 500 is perfect for alerting you to rising water levels.
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