chapter
Individual Mechanical Ventilation (3)
SfB74 THE CETEX SYSTEM FOR INTERNAL AND EXTERNAL SANITARY ACCOMMODATION
Pages 3

The basic system ensures that no foul air can disperse into the room space by extracting air from the region of the W.C. pan. The basic arrangement deals with one W.C. only and can be arranged to operate during occupation of the W.C. or via a 20 minute delay switch but the latter is not absolutely necessary.