The opening of the cap appears to be facing the side rather than facing down. My concern is that wind driven rain will be forced into the cap.
Thank you for your question on the model 437 roof cap for high capacity fans. The 437 is designed to be installed on sloped (not flat) roofs and the opening should be pointing down. Since this unit has a built-in spring-loaded backdraft damper, it should help keep water out, but since it is not installed properly, you may have leakage. Please contact the Technical Service Department at 800-637-1453 if you need further assistance.
Date published: 2016-08-26