Mandatory submission by PUB Licensed Plumber:
1. New installation
2. One-to-One replacement
3. Replacing of pipes/accessories between the water source and storage water heater
Fitting requires:
1. Service Valve comes with backflow prevention (SS636:2018 Clause 7.1.8)
2. Double Check Valve (known as Non-Return Valve) (SS636:2018 Clause 6.5.2)
3. Pressure Relief Valve (SS636:2018 Clause 6.5.2)
4. Earth bonding clip (SS638:2018 Clause 411.3.1.2L)
Picture of Electric Storage Water Heater Installation
