Mechanical failure is usually driven by a detached or unbalanced blower wheel impacting the internal walls

The sensor features a 1/4-inch male quick-connect terminal for rapid field installation and is rated for extreme thermal environments to prevent premature ceramic cracking or signal loss

Each pressure switch is calibrated to a specific set point

and BE32640001

IO Hvac Controls ZPA-OTS Sensor 319852-301 Mechanical failure is usually drivenThe iO HVAC Controls ZPA OTS is a critical NTC Type III thermistor designed for precise ambient monitoring and balance point control in residential and light commercial zoning systems. Rated at 10K Ohms @ 77 F, this sensor integrates directly with the iO HVAC ZP3 HPS ESP, ZP4 ESP, and ZP6 ESP zoning panels. By detecting real time outdoor conditions, it allows contractors to set specific high and low balance points, managing when a system should lock