The iO HVAC Controls ZPA-OTS is an outdoor temperature sensor that pairs with ZP3-ESP, ZP3-HPS, and other iO zone panels to enable outdoor-air reset and heat-pump balance-point control for smarter, more efficient operation.

Key Features & Benefits

• Outdoor-air reset — adjusts system response to real outdoor conditions for efficiency.
• Heat-pump balance-point control — optimizes heat-pump and auxiliary-heat changeover.
• Broad iO panel compatibility — works with ZP3-ESP, ZP3-HPS, and other iO zone panels.

Ideal For

iO zone-panel installations that want outdoor-air reset and smarter heat-pump balance-point control.