The iO HVAC Controls iO-HPA is a heat pump malfunction alert that monitors heat-pump refrigerant status and triggers an audible and visual alarm if a problem is detected — protecting the compressor from damage during long unattended runtimes.

Key Features & Benefits

• Refrigerant status monitoring — watches for heat-pump malfunctions in real time.
• Audible & visual alarm — alerts occupants before damage occurs.
• Compressor protection — safeguards costly equipment during unattended operation.

Ideal For

Heat-pump installations that want early malfunction warning and compressor protection.