Crown Boiler AWR Series Instructions For Field Conversion page 11

Figure 3: Flue Gas Sample Location, AWR, AWI, BSI, CWI Series Boilers.
Q327A
Q350A
Figure 4: Standing Pilot Burners with Thermocouple
Q348A
Q3481B
Figure 5: Intermittent Pilot Burners with Ignitor-Sensors
10