CONTENTS
3
Contents
PROJECT
42 Knysna fire’s plumbing aftermath
COVER STORY
50 Understanding testing and certification
TECHNICAL
56 What is backflow and why must we guard against it?
PERSONALITY PROFILE
58 Chris Kyle — “I’m going to miss it, but one must move on!”
REGULARS
1 Fitting thought
62 Wall of shame
63 Plunger games
71 Products
#SURPLUS WATER
2025
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[email protected] | www.iopsa.org World Plumbing Council’s
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World Plumbing Day
11 March every year
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22 March every year
ISK Sodex
2-5 October 2019. Istanbul,
Turkey
Aquatherm Moscow
Cape Construction Expo 2019 11–14 February 2020, Moscow,
Russia
11-12 September 2019,
Sun Exhibits, Grand West
September 2019 Volume 25 I Number 7
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