Resideo ZD12X18TZ Damper 321894-706 Built for a balanced port

Built for a balanced port operation

High Thermal Stability: The Class F insulation protects against internal heat soak

Broad Compatibility: Fits various Lochinvar Knight and A

Key Benefits Steam-Rated Performance: Engineered with PTFE seals and brass construction to withstand consistent 125# steam pressure

Can this be used in 120V systems

Resideo ZD12X18TZ Damper 321894-706 Built for a balanced portThe Resideo ZD12X18TZ Damper is a professional grade 12" x 18" zone damper engineered for high performance airflow management in multi zone residential and light commercial HVAC systems. This parallel blade zone damper features a heavy duty extruded aluminum frame and rigid aluminum blades, ensuring structural integrity and a low leakage seal (less than 1% at 0. 5 in. WC) that maximizes system efficiency. Designed as a power closed spring return open