The Myers sump alarms are designed as high liquid level alarm systems. The SA-1 and OSA-1 alarm systems are engineered specifically for sump pump basins, holding tanks, sewage systems, lift pump chambers, and non-potable water systems.

• Installs in minutes
• Quick-connect terminal block
• Corrosion-resistant construction
• Indoor: NEMA 1 enclosure;
• Outdoor: NEMA 4 enclosure
• Audible and visual (OSA-1) alarms
• Includes three power modes: 120V power source, 9V battery source (battery not included), 120V with 9V back-up (SA-1)
• Works during power failure (SA-1)
• UL and CSA listed power supply