Domestic Piping Installation
7
1. Isolation valve
2. Backflow preventer or pressure reducing valve
(May be required by code)
3. Thermal expansion tank (optional)
4 Pressure relief valve - 150 psi
5. Mixing valve
6. Check valve
3
2
5
6
1
4
1
Cold
Cold
Hot
Mix
Fig. 3 : Mini Smart Domestic Piping
