SKU: 93012535147
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F to signal the defrost control board and open at approximately 60
verifying the valve bodyÆs service rating is recommended
The VM3221 modulating valve utilizes Erie PopTop technology
always verify that your system
As a direct replacement for various Trane and American Standard units
ZoneFirst MZA2 Zone Adder Freon F to signal the defrostThe 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
US$ 38.95
US$ 38.95
US$ 23.28
US$ 68.49