Watts Aerco Benchmark 5000 Reference Manual page 26

Benchmark with Edge [I] Controller: Reference Manual
SECTION 3: BENCHMARK 1500 & 2000 PART LIST
Benchmark 1500 & 2000 Burner Assembly – P/N 24378-TAB rev G – 9/13/2018
Item Qty Part # Description
58038 
1 1 Blower: AMETEK 12.3"
2 1 43090 Air/Fuel Valve Plenum
3 1 See Table Air/Fuel Valve Assy
4 1 See Table Burner
5 1 81057 Gasket: Blower
6 1 43095 Blower Plenum
8 1 59138 Air Filter: 6"
9 5 9-21 Plug: Hex Head 1/8 NPT
13 1 Snubber
93230
14 1 See Table Blower Proof Switch Assembly
15 1 61002-5 Blocked Inlet Switch, -4.5" W.C.
16 1 81100 Gasket: Blower 12.3"
Burner Assembly Parts
Item 3 
Part # Description
24378 BMK 1500 24311-3
24378-1 BMK 2000 24311-10
24378-2 BMK 2000 DF 24311-3
1 26
2
15
9
3
8
OMM-0146_A • GF-219 • 5/25/2020
Item Qty
18 1
19 1
20 1
21 1
22 1
23 1
24 1
25 1
26 1
31 1
34 1
35 1
Item 4 Item 14
46042 60011-4
46044 60011-2
46044 60011-2
6
24
31
5
13
15
35
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Part # Description
81166 Burner Gasket
58023 
Ignitor-Injector
61026 Oxygen Sensor
81048 Gasket: Flame Rod
24356-1 
Flame Rod
59104 Observation Port
81183 Burner Gasket: Upper Release
24277 Staged Ignition Assy
81184 Gasket: Blower
81186 Burner Gasket: Lower Release
53033 Washer: Clocking
123449 Air Inlet Temperature Sensor
23
34
18
4
25
20
16
19
22
21
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