Its backup memory function is a vital onsite asset

significantly reducing troubleshooting time on rooftops or in mechanical rooms

Its masterfully contoured design ensures effective HVAC drainage

This 4 inch single acting draft control is precision-engineered to maintain a consistent neutral draft within chimneys and vents

excessive tape or sealant can insulate the probe and cause the control to malfunction

Resideo HZ432 Zone Panel 321894-706 Its backup memory function isThe Resideo HZ432 TrueZONE panel is a field proven forced air zoning controller designed for demanding residential and light commercial applications. Capable of managing up to four zones out of the box, this 4 zone controller supports 3H 2C stages for conventional systems and up to 4H 2C for heat pump applications, including dual fuel and electric strip heat configurations. The intuitive digital display simplifies automated commissioning and advanced