Zonefirst SPRD-20X12 Damper 30067439-890 Reliable Signal Output: Delivers a

Reliable Signal Output: Delivers a consistent 20-28 mV millivolt signal to prevent nuisance pilot outages and service calls

Key Benefits: High-Temperature Resistance: Performance-rated up to 300°F for use in residential and commercial steam systems

Designed for compatibility with specific ICP heat pump units and Heil Quaker HVAC systems

it maintains a critical fixed spark gap of 1/8 inch to ensure reliable arc-over even in fluctuating residential or industrial environments

the 1F82-0261 utilizes non-volatile memory for permanent program retention even without batteries

Zonefirst SPRD-20X12 Damper 30067439-890 Reliable Signal Output: Delivers aThe Zonefirst SPRD 20X12 is a professional grade barometric static pressure regulating damper designed for precision airflow management in multi zone residential and light commercial HVAC systems. Constructed from heavy duty 22 gauge galvanized steel, this 20" x 12" rectangular bypass damper utilizes a single blade, counter balanced weighted arm mechanism to maintain optimal duct static pressure. As zone dampers close, the SPRD 20X12 automatically