4-5
MAINTENANCE
SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS
ITEM NO. COMPONENT
ITEM NO. COMPONENT
11
Venturi Mixing Device
16
Water Pressure Sensor
12
Fan
17
Return Water Temperature Sensor
13
Supply Water Temperature Sensor
18
Return Water Pipe
14
Air Intake Pipe
19
Blocked Vent Pressure Switch
15
V-10 Touchscreen Controller
20
Vessel Hi-Limit Switch
Components of the SL 40-399 G3