Watts AERCO Benchmark OMM-0121 Operation And Maintenance Manual page 50

Benchmark 750-3000 Boiler Operation & Maintenance Manual
SECTION 4 – MAINTENANCE
BMK 1500-3000 Burner Inspection Instructions
BLOWER PLENUM
IGNITER-
INJECTOR
ASSEMBLY
3/8"-16
HEX NUTS
(8 each)
Figure 4-5c: BMK 2500/3000 Burner Assembly Mounting Details
5/16" x 1-3/4" BOLTS,
5/16" WASHERS &
NYLOCK NUTS
(4 each)
BLOWER
A/F VALVE
PLENUM
BLOWER
PROOF
SWITCH
AIR/FUEL
VALVE
BLOCKED INLET
SWITCH
AIR
FILTER
Figure 4-5d: BMK 2500/3000 Burner Assembly Mounting Details
OMM-0122_D • GF-206 • 5/9/2019
BURNER
PLATE
BLOWER
PLENUM
GAS
TRAIN
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
5/16" x 1-3/4" BOLTS,
5/16" WASHERS &
NYLOCK NUTS (4 each)
BLOWER
A/F VALVE
PLENUM
AIR/FUEL
VALVE FILTER
1/2" NUTS
& BOLTS (4 each)
AIR FILTER
GAS TRAIN
3/8"-16
HEX NUTS
(8 each)
GAS INLET
PIPE
MANUAL
SHUT-OFF
VALVE
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