ZoneFirst SPRD-20X8 Damper Els PW 17895 which can lead to overheating

which can lead to overheating or erratic control behavior

which is critical for maintaining linear heat output in terminal units like fan coils and baseboards

including Intertherm

The brown PVC jacket is not only durable but also sunlight resistant

ZoneFirst SPRD-20X8 Damper Els PW 17895 which can lead to overheatingThe ZoneFirst SPRD 20X8 is a heavy duty barometric bypass damper engineered for precise static pressure regulation in multi zone residential and light commercial HVAC systems. This 20" x 8" mechanical unit utilizes a field adjustable weighted arm to facilitate effective bypass air management without the requirement for complex electronic controls or wiring. As zone dampers close and duct pressure rises, the ZoneFirst SPRD 20X8 automatically opens to