Igniter-Injector - Watts AERCO Benchmark OMM-0127 Operation And Maintenance Manual

Benchmark 750-3000 Boiler Operation & Maintenance Manual - KOREA
SECTION 4 – MAINTENANCE

4.2 IGNITER-INJECTOR

The igniter-injector (Kit P/N 58023) is located on the burner plate at the top of the boiler. In
addition to providing the ignition spark required to light the burner, the igniter-injector also
contains a gas injector tube which connects to the staged ignition assembly. Figure 4-1a
through Figure 4-1c shows the complete burner assembly removed from the boiler and indicates
the location of the igniter-injector flame detector and other related components.
BLOWER PROOF SWITCH
BURNER PLATE
FLAME DETECTOR
O2 SENSOR
BURNER
Figure 4-1a: BMK 750/1000 Burner Assembly
OMM-0128 • GF-206-K • 5/9/2019
BLOWER
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
BLOCKED INLET SWITCH
AIR/FUEL VALVE
GAS FLEX HOSE
STAGED IGNITION
SOLENOID
IGNITER-INJECTOR
Page 38 of 146