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SPI 10A505, Model SMD-5H-M, Outdoor alarm with large light, audible horn, 15′ mercury alarm float, 6′ power cord, alarm test switch, and horn silence
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SPI 10A504, Model SMD-5H-30, Outdoor alarm with large light, audible horn, 30′ mechanical alarm float, 6′ power cord, alarm test switch, and horn silence (High Level Float)
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SPI 10A502, Model SMD-5HWW, Outdoor alarm with large light, audible horn, 20′ mechanical alarm float, 6′ power cord, alarm test switch, and horn silence (High Level Float with Weight Attached)
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SPI 10A402, Model SMD-4N, Indoor/outdoor alarm with large light, audible horn, and auxiliary dry contacts (No Float Switch)
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SPI 10A400, Model SMD-4H, Indoor/outdoor alarm with large light, audible horn, 15′ mechanical alarm float, and auxiliary dry contacts (High Level)
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SPI 10A300, Model SMD-31H, Indoor alarm with audible and visual alarm, 15′ alarm float, 6′ power cord, and quick snap terminal connections (High Level)
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SPI 10A200, Model SMD-21H, Indoor alarm with audible and visual alarm, 15′ mechanical alarm float, battery back-up, 6′ power cord, auxiliary dry contacts, and quick snap terminal connections (High Level)
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SPI 20A305-E, High Amp Mechanical Pump Down Normally Open Float Switch (no plug)
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SPI 20A304-E, High Amp Mechanical Pump Down Normally Open Float Switch (no plug)
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SPI 20A303-E, High Amp Mechanical Pump Down Normally Open Float Switch (no plug)
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SPI 20A302-E, High Amp Mechanical Pump Down Normally Open Float Switch (no plug)
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SPI 20A301-E, High Amp Mechanical Pump Down Normally Open Float Switch (no plug)
