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Figure 1
1. Cold water inlet
2. Hot water outlet
3. Gas supply manual shut-off valve
4. Sediment trap
5. Union - ground joint type
6. Gas control
7. Temperature & pressure relief valve
8. Floor drain
9. Drain pan (if used)
Figure 3
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 as convenient. If pressure relief
valve is used, select one with a setting 25 psi. below
rating at tank.
10. Water supply to meter
11. Water supply to home
12. Water meter with backflow preventer
13. Overflow
14. Pressure relief valve
15. Expansion tank
seal tightly
11
15
14
12
13
10
8
9
7
1
2
3
5
4
6
6”
Figure 2
12
6
1/4
SHEET METAL
SCREWS
3”
3”
3”
MAINTAIN 26”
FOR ACCESS
Option 1
Option 2
DRAFT
HOOD