ZoneFirst MZA2 Zone Adder Freon while the 3/16" diameter probe

while the 3/16" diameter probe maintains structural integrity across its 24-foot span

always verify that your system

The VM3221 modulating valve utilizes Erie PopTop technology

As a direct replacement for various Trane and American Standard units

1-watt encapsulated coil provides the reliable electromagnetic force required for 2/2 normally closed 1/4" and 3/4" general service solenoid valves

ZoneFirst MZA2 Zone Adder Freon while the 3/16" diameter probeThe ZoneFirst MZA2 is a critical expansion component designed specifically for the MZS4 Zone Control Panel, allowing for the seamless integration of two additional HVAC zones. Operating on 24VAC, this zone adder utilizes plug and play connectivity to bridge additional dampers and thermostats into the existing master control logic. For contractors managing larger residential or light commercial zoning projects, the MZA2 eliminates the need for