Meets all standards for audible & visual alarms. RSA1 by RadonAway. Manometer measures large pressure drops indicating system problems (usually a broken fan). Alarm beeps can tell you if your battery is low, if you have a bad radon fan, or if your system needs diagnostics for other reasons.
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Top Selling RSA1 Radon System Alarm
battery powered, indicator light and sound, vacuum sensing, easy installation
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