Watts Aerco Benchmark 5000 Reference Manual page 6

Benchmark with Edge [I] Controller: Reference Manual
SECTION 2: BENCHMARK 750 & 1000 PART LIST
Item # Qty Part # Description
BURNER-BLOWER full diagram below)
(See
24276-1 BMK 750 Burner-Blower Assy.
14 1 24276 BMK 1000 Burner-Blower Assy.
24276-2 BMK 750/1000 Propane Units
15 1 60011-4 Blower Proof Switch
16 1 81155 Pipe Flange gasket (gas train to A/F Valve)
17 1 61002-5 Blocked Inlet Switch, -4.5" W.C.
18 1 59139 Air Filter, 6" x 4.5" LG
19 1 65085 Ignition Transformer
20 1 97087-20 Flex Gas Tube 20" (50.8 cm)
GAS TRAIN ASSEMBLIES
(See
22140-1 BMK 750 & 1000 FM Gas Train
22140-2 BMK 750 & 1000 DBB Gas Train
21 1
22140-3-1 BMK 750 Propane Gas Train
22140-3-2 BMK 1000 Propane Gas Train
CONTROLS
24356-1 
22 1 Flame Rod
23 1 61026 O
2
58023 
24 1 Ignitor-Injector
25 1 123863 Valve: Ball 1/8" NPT
26 1 59178 Vent: Air 1/8 NPT
58089 
27 1 Staged Ignition Assy.
58061 
28 1 Blower, 8.9" AMETEK
24367-1 
Air/Fuel Valve Assy., BMK 1000
24367-2 
29 1 Air/Fuel Valve Assy., BMK 750
24367-3 
Air/Fuel Valve Assy., BMK 750/1000 Propane

Replacement Kit and/or Catalog number
22
23
3
24
AERCO International,
Inc. Blauvelt, NY
10913
OMM-0146_A • GF-219 • 5/25/2020
full diagrams below)
Sensor
TOP-REAR VIEW
Benchmark 750 & 1000 with Edge [i] Part List
Benchmark 750 – 29502-TAB rev A
Benchmark 1000 – 29504-TAB rev A
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
15 17
14 16
20
21
REAR VIEW
29
28
27
26
25
10/05/2019
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10/24/2019
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