Section 2: Benchmark 750 & 1000 Part Lists - Watts Aerco Benchmark Platinum Series Reference Manual

Benchmark Platinum with Edge Controller: Reference Manual
SECTION 2: BENCHMARK 750 & 1000 PART LIST
SECTION 2: BENCHMARK 750 & 1000 PART LISTS
Item # Qty Part # Description
EXHAUST MANIFOLD
1 1 43086 Exhaust Manifold
2 1 84045 Seal: Exhaust Manifold
3 1 9-22 Pipe Plug: 1/4" NPT: Steel
4 1 92094 Boiler Drain Valve: 3/4 "
GAS TRAIN ASSEMBLIES (See full diagram below)
22322 FM Gas Train Assy.
5 22323 DBB Gas Train Assy.
1
22331 Propane Gas Train Assy.
HEAT EXCHANGER
6 1 80080 Insulation: Shell
BMK 750 Dual Inlet Heat
28317
Exchanger
7 1
BMK 1000 Dual Inlet Heat
28249
Exchanger
BURNER-BLOWER (See full diagram below)
26022-1 Burner-Blower, BMK 1000
26022-2 Burner-Blower, BMK 750
8 1
Burner-Blower, BMK 750 & 1000
26022-3
Propane
9 1 81155 Gasket: 1 1/4" Pipe Flange
10 1 59139 Air Filter: 6" X 4.5 LG
11 1 97087-20 Flexible Gas Tube 20"
CONTROLS
12 4 61051 Temperature Sensor, PT-1000
13 1 58132  Thermowell
14 1 69126  Low Water Cutoff
Power Transformer 110/120 to
15 65212
1 24 VAC
16 1 64081 ECU (for O
17 1 59178 Vent: Air 1/8 NPT
18 1 123863 Valve: Ball 1/8" NPT
19 1 61026 O
2
20 1 65085 Ignition Transformer
21 1 67009 Dial Thermometer
Temperature Sensor, Dual
22 1 61056
Thermocouple
Replacement Kit and/or Catalog number

AERCO International,
Inc. Blauvelt, NY
10913
OMM-0138_B • GF-212 • 7/16/2019
Sensor)
2
Sensor
Benchmark 750 – 1000 Part List
29434-TAB rev C
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
2 3 1
LOWER RIGHT-REAR VIEW
22 8
14 13 12 11
UPPER LEFT-REAR VIEW
21
12
4
9 10
4/26/2019
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