there is no polarity to observe for the two lead wires

4 FLA at 120V) to handle HVAC repair requirements in both residential and commercial steam systems

Remote Sensing: Features terminals for one indoor or outdoor remote sensor to provide balanced temperature averaging

Key Benefits Corrosion-Resistant Construction: The 316 stainless steel probe and housing offer maximum longevity when exposed to aggressive water chemistries

As a standard technician-grade part

IO Hvac Controls ZP4-ESP-KIT Control Kit 323613-751 there is no polarity toThe IO HVAC Controls ZP4 ESP KIT is a professional grade 4 zone control panel designed to streamline complex forced air installations. Engineered for high performance HVAC zoning systems, this universal panel supports single stage, multi stage, heat pump, and dual fuel equipment with up to 3 stages of heating and 2 stages of cooling. By integrating advanced Electronic Static Pressure (ESP) logic, this kit effectively eliminates bypass dampers when