Audible Alarm sounds and light turns red when pressure in pipe drops below threshold. Otherwise, light remains green. System indicator of fan performance NOT RADON LEVEL
Battery Op. Alarm set point < .25″ wc
Out of stock
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Top Selling Check Point Mitigation Alarm
Audible pressure alarm for radon system.
See more modern alarm options: RSA1, Fantech Alarm, or radonsystemalarm plug in (see our YouTube channel)
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