Free freight for online orders over $200
Weather Tight NEMA 4 enclosure.
External Power Disconnect Switch.
Indicator Box for Exterior Mounting.
Formerly MI220 box. Now sold as MI Rn3/4
Meter indicator boxes were developed in the 1990s for use on military bases. The intent was to provide an outdoor indicator of a running radon fan system*. It is recommended that these boxes be installed by a LICENSED ELECTRICAL CONTRACTOR under supervision of a CERTIFIED RADON PROFESSIONAL. ALWAYS FOLLOW LOCAL ELECTRICAL CODES. CORDS LIMITED TO 6’. NEVER RUN CORDS THROUGH WALLS WITHOUT CONDUIT. FOLLOW ANSI/AARST RADON STANDARDS & NEC WHEN NO LOCAL CODES ARE PRESENT
MI Rn3 Indicator Box for Exterior Mounting (box only), for use with Rn3 fan. Please note THIS IS NOT A LOW VOLTAGE SYSTEM
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