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SYSTEM SENTINEL
POWER
THERMOSTAT
IGNITION
PILOT VALVE
MAIN VALVE
ECO
®
Temperature & Pressure
Relief Valve
To
Gas
Supply
Manual
Gas
Shut-Off
Ground Joint Union
Thermostat
Cap
Gas Valve
Air Gap 6"
Sediment Trap
Hot Outlet
Cold Water
Inlet
Shut-Off
Valve
Refer to Venting section
on pages 8-11 in this manual.
NOTES:
1.) The gas supply piping must be adequately
supported and aligned to minimize loads
(forces) on the water heater’s gas valve
and burner system.
2.) Refer to local codes for installation guide
-
lines for the Thermal Expansion Tank (if
required).
Thermal Expansion Tank
(if required)
7
Installation
Figure 4. — Typical Installation Drawing.
Vacuum Relief Valve
(Not Supplied)
If required, install per local codes
and valve manufacturer’s
instructions.