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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
Compliance and Safety: Meets rigorous standards for commercial installs
this unit provides sufficient amperage to support complex control strings in commercial rooftop units and air handlers without the risk of nuisance tripping or thermal overload
Genuine Hydrotherm OEM parts ensure precise mounting hole alignment and gasket sealing
reducing truck stock requirements for multiple brands
Zonefirst SPRD-20X12 Damper 30067439-890 Compliance and Safety: Meets rigorousThe 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