iO HVAC Controls iO-HPA IO Heat Pump Malfunctioning Alarm Realtree and add a whole new

and add a whole new level to safety…along with the ability to twist them to expose the entire probe for more traditional feel while testing”- S

12 to 1000V

easy to carry and use

Klein Tools 44218 Cable Skinning Utility Knife w/Replaceable Blade

iO HVAC Controls iO-HPA IO Heat Pump Malfunctioning Alarm Realtree and add a whole newiO 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