Polaris PGC Instruction Manual page 13

1: Control Assembly
2: Blocked Intake Switch
3: Blocked Outlet Switch
4: Blower Assembly
5: Burner Assembly
6: Flame Sensor
7: Igniter Assembly
8: Gas Control Valve Assembly
9: Display Board
10: Display Enclosure
** 11: Exhaust Elbow Assembly
** 12: Condensate Drain Outlet
13: Enable / Disable Switch
14: Hot Water Outlet
15: Gas Supply
16: Main Manual Gas Shutoff Valve
17: Union
18: Inlet Water Shutoff Valve
19: Cold Water Inlet
20: T & P Relief Valve
21: Rating Plate
22: Labels
23: Drain Valve
24. Upper Temperature Probe (ECO)
** 25: Exhaust Vent Terminal
26: Drain Pan
27: Insulation
28: Lower Temperature Probe
29: Access Door
30: Spark Module
31. Air Intake Pipe
32. Additional Side Taps
33. Intake Air Connection
**34. Intake Vent Terminal
FEATURES AND COMPONENTS (CONT.)
13