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Weil-McLain 78 Boiler For Gas, Light Oil, Gas/Light Oil Fired Burners
Parts
16b
Figure No. Description W-M Sales Ref. No.
A Front Section (7813) 11B329
B
Intermediate Section Regular (7815) 11B330
Intermediate Section Supply - Steam (7814) 11B331
C Intermediate Section Tankless (7816) 11B332
D Back Section (7818) 11B333
Section Assembly Kit
(includes for one joint - sealing rope 11B334
adhesive, sealing rings, silicone sealant, tie rods, washers, nuts)
E Heater Cover Plate Carton (includes cover plate, gasket, studs, nuts) 11B335
F Tankless Heater Carton (includes tankless heater, gasket, studs, nuts) 11B336
G Heater Gasket 11B302
H Cleanout Plate 11B337
I Cleanout Plate Gasket 11B304
Flue Collector Hood "A" 11B338
Flue Collector Hood "B" 11B339
J Flue Collector Hood "C" 11B340
Flue Collector Hood "D" 11B341
Flue Collector Hood "E" 11B351
Flue Collector Hood Hardware Kit
(includes flat-stitched sealing rope, 11B342
double-faced tape, flue collar gasket, collector hood gaskets,
holddown clips, hardware)
K
Collector Hood Gasket Kit (includes flue collector hood gasket, flue 11B311
collar gasket, flat-stitched sealing rope and double-faced tape)
L Flue Collector Hood End Cap 11B343
Flue Collar Assembly 8" 11B344
M Flue Collar Assembly 10" 11B345
Flue Collar Assembly 12" 11B346
Combustion Chamber Kit (includes back refractory blanket, bottom 11B348
refractory blanket, waterglass, sealing rope, sealing rope adhesive)
N
Burner Mounting Plate Front Refractory 4-1/2" Burner Opening 11B349
Burner Mounting Plate Front Refractory 6-1/8" Burner Opening 11B350
O Refractory Retainer Clip 10B960
P
Observation Port Assembly (includes observation port assembly, 11B300
sealing rope, screws)
Q Sealing Rope 10B985
Part No. 550-141-705
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