iO HVAC Controls iO-HPA IO Heat Pump Malfunctioning Alarm Realtree 1 m) Standout Length: Up

1 m) Standout Length: Up to 13' (4 m) Tape Material: Steel Tape Coating: Nylon Measurement Standard: Imperial (SAE) Graduations: 1/16'' Lockable Tape: Yes Rewind Type: Automatic Hook: Double Magnetic: Yes Belt Clip: Yes Case Material: PC-ABS with TPR Overmolding Case Color: Orange/Black Overall Width: 2

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iO HVAC Controls iO-HPA IO Heat Pump Malfunctioning Alarm Realtree 1 m) Standout Length: UpiO HVAC Controls iO HPA IO Heat Pump Malfunctioning Alarm The iO HPA module is designed to detect air to air heat pump system failure by monitoring the W voltage signal from the thermostat and the temperature of the hot gas line. If there is a call for heat but the compressor fails to run after 12 minutes, a buzzer will sound. The module is equipped with an alarm switch to silence the buzzer. The Heat Pump Alert (iO HPA) notifies the homeowner or