Tools & Test Equipment > Alarms & Detectors > Heat Pump Alarms > iO HVAC Controls > Heat Pump Alert, Heat Pump Malfunctioning Alarm
Heat Pump Alert, Heat Pump Malfunctioning Alarm, Designed to Detect Air-to-Air System Failure By Monitoring the "W" Voltage Signal From the Thermostat and the Temperature of the Hot Gas Line
Discontinued Available While Supplies Last
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