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Plumbing setup for a low pressure copper cylinder with a wetback
Hot water to kitchen and laundry
Tempered hot water to bathroom
Isolation and non-return valve
Line strainer
The hot flow pipe from the wetback shall have a minimum slope of 1:20 at any point,
and an average slope of not less than 1:7.
Tempering valve
Pressure reducing valve
Isolation valve
Drip tray
Vent pipe terminating outside building
Return pipe
Low pressure indoor copper owner and installer guide: 20733-C 03-13 | 11
Riser tube
Hot flow pipe
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