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Spring examination preparation
Theory examination prepar
Level 3 advanced diploma
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Level 3 advanced diploma
Home
Classroom session 1
Session 2
Session 3
Session 4
Session 5
Session 6
Session 7
Session 8
Session 9
Session 10
Session 11
Session 12
Session 13
Session 14
Session 15
Apprenticeship Opportunities
Practice Theory Paper
Design
Assignments
Retrieval page
Schedule
Unvented Hot Water Infographics
Sanitation
Environmental technologies
Cold water
Sanitation
Environmental technologies
Cold water
Hot water
Practical Training
Practice theory tests
Video guidance
More
Home
Classroom session 1
Session 2
Session 3
Session 4
Session 5
Session 6
Session 7
Session 8
Session 9
Session 10
Session 11
Session 12
Session 13
Session 14
Session 15
Apprenticeship Opportunities
Practice Theory Paper
Design
Assignments
Retrieval page
Schedule
Unvented Hot Water Infographics
Sanitation
Environmental technologies
Cold water
Sanitation
Environmental technologies
Cold water
Hot water
Practical Training
Practice theory tests
Video guidance
Session 5
Advanced Cold Water© - Drawings on Air Gaps and components
AA air gap A non-mechanical backflow prevention arrangement of water fittings where water is discharged through an air gap into a receptacle which has at all times an unrestricted spillover to atmosphere. Maximum permissible fluid category against which a Type AA air gap is accepted as adequate
Air gaps and mechanical devices
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