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- The ultimate combination of
ventilation back-up and alarm
system together in one product.
Wired in parallel with your
existing ventilation control
and phone dialer, the S3
provides an alarm contact and back-up
security. - Adjustable to any major
control on the market. - On power outage, the S3 alerts
a phone dialer and then the
12 volt DC battery provides
power for ventilation stage
relays. - Contains 3 inside
temperature sensors. - Contains 4 output stages(one
heat and three cooling) - Operates vent inlets and
tunnel machine during power
outages.
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