Product details:
Restricted: This item is only approved for purchase by Business Accounts. Male/crimped, female/uncrimped ends connect to rigid or flexible round duct. 1 wc rated. Model is 2-wire installation with a third wire option.Features galvanized steel with single-blade damper, which closes off tightly against gasket for minimal leakage
Designated as power closed/spring return open damper for use with Honeywell Zoning Systems
Can be field-converted when used as an independent zone or for fresh air intake
Rated to operate up to 1-inch wc