Components "Callouts - Paloma PH2-20R OFN Engineering Handbook

1. Condensing ONLY: Secondary
Stainless Steel Heat Exchanger
2. Condensing ONLY: Neutralizer
3. Primary Heat Exchanger
4. Flame Rod(s)
5. Sight Glass
6. Igniter Rod
7. Igniter Coil
8. Gas Control Valve
9. Water Control Valve
10. Water Bypass Valve
11. Control Board
12. Blower Motor (Behind Control Board)
A. Heat Exchanger Thermistor
B. Outlet Thermistor
C. Inlet Thermistor
D. Ambient Thermistor
SVC 820-Tankless Gas Trouble Shooting Manual
COMPONENTS
A
2
1
3
5
4
10
11
9
B
C
Page | 15
6
7
D
8
15