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then thread the new operator onto the existing valve base
5" mounting footprint makes this a versatile replacement for many OEM configurations
Engineered with a durable porcelain bushing and a high-grade iron core construction
this 025-30891-000 HVAC part provides the exact OEM fit and conductivity required to prevent intermittent power loss and ensure the safe operation of the primary power circuit
Resideo ZD16X18TZ Damper 321894-709 then thread the new operatorThe Resideo ZD16X18TZ is a robust 16" Wide X 18" High parallel blade zone damper engineered for precision airflow control in residential and light commercial HVAC zoning applications. Built with a high grade extruded aluminum frame and blades, this unit is designed for long term durability and low leakage performance. The synchronous motor is a 24Vac power closed spring return open actuator, ensuring a fail safe normally open position during power