Section 2: Benchmark 750 & 1000 Part List - Watts AERCO Benchmark Platinum 750 Reference Manual

Boilers with edge [ii] controller
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Benchmark Platinum with Edge [II]: Reference Manual
SECTION 2: BENCHMARK PLATINUM 750 & 1000 PART LIST
SECTION 2: BENCHMARK 750 & 1000 PART LIST
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.
22323
DBB Gas Train Assy.
5
1
22331
Propane Gas Train Assy.
22429
Duel Fuel Gas Train
HEAT EXCHANGER
6
1
80080
Insulation: Shell
BMK 750 Dual Inlet Heat
58179-7
Exchanger
7
1
BMK 1000 Dual Inlet Heat
58179-8
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 &
26022-3
1000 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
Directly Immersed
12
4
61051
Temperature Sensor, PT-1000
58132 
13
1
Thermowell
69126 
14
1
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_D • GF-212 • 2/24/2021
Sensor)
2
Sensor
Benchmark Platinum 750 – 1000 Part List
29434-TAB rev G
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
1/15/2021
Sheet 1 of 5
Page 5 of 91

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