Parts – Weil-McLain 78 User Manual
Page 30
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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