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1. COLD WATER INLET
2. HOT WATER OUTLET
3. GAS SUPPLY MANUAL SHUT-OFF VALVE
4. SEDIMENT TRAP
5. UNION - GROUND JOINT TYPE
6. FLOOR DRAIN
7. TEMPERATURE & PRESSURE RELIEF VALVE
8. GAS CONTROL
9. WATER SUPPLY TO METER
10. WATER SUPPLY TO HOME
11. WATER METER WITH BACKFLOW PREVENTER
12. OVERFLOW
13. PRESSURE RELIEF VALVE
14. EXPANSION TANK
6”
4
5
6
8
1
7
3
2
SEAL TIGHTLY
10
14
13
11
9
12
OPTION 1
OPTION 2
Figure 2
Location of pressure relief and/or expansion tank if a check
valve or pressure reducing valve is in the cold water supply to
the house.
Use OPTION 1 or 2 whichever is more convenient. If pressure
relief valve is used, select one with a setting 25 psi below valve
rating at tank.