iO HVAC Controls iO-HPA IO Heat Pump Malfunctioning Alarm 48-22-1525 choosing from preferred size based

choosing from preferred size based on pipe diameter

S8610U1011

mound systems

Tajima GS-16BW GS Lock™ Standard Scale

Ideal for HVAC/R Service

iO HVAC Controls iO-HPA IO Heat Pump Malfunctioning Alarm 48-22-1525 choosing from preferred size basediO 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