Plan 9715

Self-adjusting Slot Air Inlets

This leaflet describes a simple counterbalanced inlet baffle. Outside air applies pressure to the top of the baffle; this pressure, and the mass of the baffle itself, are continuously balanced by counterweights hung on the other side of the hinge. Whenever the thermostats and fans call for a change in ventilation rate, a slight change in room-air pressure opens or closes the baffles accordingly.

Self Adjusting Slot Air Inlets Leaflet (Imperial)

(c) 2003 Canada Plan Service

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