Resideo ZD20X6TZ Damper R-134A ANSI Class 250 Rating: Designed

ANSI Class 250 Rating: Designed to handle high static pressures in commercial building envelopes

5 on the PDTO port

With a dedicated 150 psi pressure relief setting and a 210°F temperature threshold

The higher VA rating simply means it can handle a larger electrical load

For veteran technicians servicing water source heat pumps

Resideo ZD20X6TZ Damper R-134A ANSI Class 250 Rating: DesignedThe Resideo ZD20X6TZ is a professional grade 20x6 zone damper engineered for precise airflow management in multizone forced air systems. This rectangular parallel blade damper features an extruded aluminum frame and blades, ensuring a rigid construction that prevents bowing under high static pressure. Operating on a 24Vac synchronous motor, the unit utilizes a power closed spring return open configuration, making it the industry standard for normally