ZoneFirst ZDSM-32X20 Damper Freon allowing the switch to sense

allowing the switch to sense the negative pressure generated by the draft inducer via a flexible silicone or rubber tube

Flow Precision: Calibrated with a 3

primarily used in low-temperature refrigeration applications using R-22

and Frigidaire split systems

this mechanism ensures the automatic

ZoneFirst ZDSM-32X20 Damper Freon allowing the switch to senseThe ZoneFirst ZDSM 32X20 is a heavy duty rectangular zone damper designed for high performance airflow management in residential and commercial HVAC systems. Featuring parallel blade construction, this 32" wide x 20" high unit utilizes a 24Vac synchronous motor for reliable power open and power closed operation. Engineered with an extruded aluminum frame, the ZDSM 32X20 provides superior structural integrity and corrosion resistance compared to