Product Overview
Self-Balancing CrawlSpace Control Valve Assembly (SKU#GPCCV):
5" 60-115 adjustable cubic feet per minute.
Self-Balancing CrawlSpace Control Valve attaches to the supply air ductwork of central forced air conditioning systems and regulates the recommended amount of conditioned air to sealed crawlspaces or basements. The unit includes a duct adapter, a backdraft damper, and a field-adjustable Constant Airflow Regulator.