Weil-McLain 550 MBH Nstallation And Operation Manual page 112

®
SlimFit Series 3
Replacement parts
Heat exchanger
Item Description
1 5 section heat exchanger assembly kit (includes sections, o-rings, sealing cord
& hardware)
2 6 section heat exchanger assembly kit (includes sections, o-rings, sealing cord
& hardware)
3 Left end section replacement kit (includes section, o-rings, sealing cord and
hardware)
4 Intermediate section replacement kit (includes section, o-rings, sealing cord
and hardware)
5 Right end section replacement kit (includes section, o-rings, sealing cord and
hardware)
6 Section/manifold o-ring, 60-mm (single o-ring only)
7 5 section draw rod kit
8 6 section draw rod kit
9 5 section heat exchanger cover plate kit (includes plate, nuts, sealing cord,
insulation and silicone RTV sealant)
10 6 section heat exchanger cover plate kit (includes plate, nuts, sealing cord,
insulation and silicone RTV sealant)
11 5 section supply distribution tube kit (distribution tube, o-ring and nuts)
12 6 section supply distribution tube kit (distribution tube, o-ring and nuts)
13 5 section return distribution tube kit (distribution tube, o-rings and nuts)
14 6 section return distribution tube kit (distribution tube, o-rings and nuts)
15
Return manifold casting kit (includes manifold, o-ring and nuts)
17 Aluminum flue pipe
18 Plastic base assembly kit (includes base, sealing cord, silicone RTV sealant
and hardware)
19 Adapter Flue Pipe / Inlet-Air Bottom
20 Base seal kit (base sealing gasket cord)
21 Red silicone cord kit (cover plate and base)
22 Tube of silicone RTV, high temperature, red
23 Tube of silicone RTV, high adhesive, black
24 Return distribution tube o-ring, 45 mm
25 Heat exchanger o-ring replacement kit (Not shown) [includes (18) 60-mm
o-rings (Item 6); (2) 45-mm o-rings (Item 24); sealing cord; and silicone RTV
sealant]
112
COMMERCIAL CONDENSING GAS
(continued)
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FIRED WATER BOILER
Boiler Manual
Boiler
Part Number
Models
550 383-600-029
750 383-600-028
550 / 750 383-600-036
550 / 750 383-600-037
550 / 750 383-600-038
550 / 750 590-318-039
550 560-134-510
750 560-134-511
550 383-600-040
750 383-600-041
550 383-600-033
750 383-600-032
550 383-600-031
750 383-600-030
550 / 750 383-600-034
550 / 750 560-907-673
550 / 750 383-600-026
550 593-000-053
750 593-000-054
550 / 750 383-600-021
550 / 750 383-600-020
550 / 750 513-000-001
550 / 750 513-000-000
550 / 750 590-318-040
550 / 750 383-600-039
Part number 550-100-168/0516