Resideo ZD6X22TZ Damper 322838-753 While the internal temperature selector

While the internal temperature selector logic is the same

this SPST normally open switch simplifies field installations by eliminating the need for complex interlock wiring with the furnace blower

Why is my blower wheel rattling even after cleaning

Minimizes downtime with a reliable automatic reset function that restores operation after cooling

it allows for the simultaneous control of two separate circuits

Resideo ZD6X22TZ Damper 322838-753 While the internal temperature selectorThe Resideo ZD6X22TZ Damper is a professional grade parallel blade zone damper engineered for precise airflow control within forced air HVAC systems. Featuring a heavy duty extruded aluminum frame and blades, this 6" W x 22" H rectangular damper is designed for long term durability in high demand residential and light commercial environments. The 24Vac synchronous motor is mounted on the 20" side, providing a reliable power closed spring return open