ZoneFirst ZDSM-32X20 Damper 30067439-890 66 amps on the secondary

66 amps on the secondary side

verify the gas valve is receiving 24VAC and that the pilot orifice is not clogged with debris or "bug guts" which are common in outdoor units

technicians should verify the condition of the existing fan blade to prevent vibration-induced shaft wear and always match the 4

Inspect the 016514F pilot ignitor for carbon buildup or cracked insulation that could be stealing the spark or grounding out the rectification signal

For technicians performing scheduled maintenance or addressing internal leakage

ZoneFirst ZDSM-32X20 Damper 30067439-890 66 amps on the secondaryThe 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