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This Class 2 transformer serves as a reliable power supply for driving relays
The VM3221 modulating valve utilizes Erie PopTop technology
while the 3/16" diameter probe maintains structural integrity across its 24-foot span
As a direct replacement for various Trane and American Standard units
ZoneFirst MZA2 Zone Adder Freon This Class 2 transformer servesThe 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