Instruction manual
Part number 550-142-056/0411
GWC gas-fired water boiler — Boiler Manual
92
Figure 97 Blower assembly
Item
number
Description Model Williamson-Thermoflo
part number
1 Burner replacement kit, includes burner, blower flange gasket, igniter,
igniter screws, igniter washers, igniter gasket
070
105
140
175
382-200-320
WT
382-200-325
WT
382-200-330
WT
382-200-335
WT
2 Blower flange gasket All 590-317-610
WT
3 Air pressure switch (0 to 5,500 feet elevation) All 382-200-723
WT
— Air pressure switch (5,500 to 10,000 feet elevation) All Consult W-T factory
4 Blower motor replacement kit, includes blower motor, motor mounting
grommets, screws, lock nuts and 9" Allen wrench
All 382-200-345
WT
5 Blower housing assembly replacement kit, includes: blower housing,
obsv. port, blower housing cover plate, blower motor mounting brackets,
washer hold down bracket, lock nuts, motor mount grommets, blower
motor, blower wheel, magnetic washer, silicone sealant, screws, blower
flange gasket, igniter, igniter washers, igniter screws, igniter gasket
All 382-200-340
WT
6 Conversion kit, natural to propane, includes . . . . . . . . . . . . . . . . . . . . . .
Propane orifice plate, label
070
105
140
175
510-811-926
WT
510-811-927
WT
510-811-928
WT
510-811-929
WT
Orifice plate, natural gas . . . . . . . . . . . . . . . . . . . . . . 070
105
140
175
510-811-934
WT
510-811-935
WT
510-811-936
WT
510-811-937
WT
7 Gas/air manifold assembly, includes gas/air manifold, gas tubing,
washers, screws, gas valve o-ring
All 382-200-362
WT
8 Sense line condensate trap, includes sense line condensate trap and
hoses
All 382-200-409
WT
10 Gas valve kit, complete, includes gas valve, gas cock, 1/2" nipple, bracket,
o-ring, screws
All 382-200-411
WT
12 Igniter replacement kit, includes igniter and gasket All 511-330-148
WT
13 Igniter gasket All 590-317-599
WT
14 Inlet air tube w/grill All 382-200-310
WT
15 Hose clamp, 3” All 591-850-068
WT
16 Inlet air hose, 3" by 19" long All 562-302-573
WT
17 & 18 Inspection port cover and Inspection port gasket All see Figure 93, page 88
items 10 and 11
19 Recuperator connection gasket All see item 24
20 Condensate drain hose clamp All —
21 Condensate trap All 560-907-716
WT
22 ½” PVC condensate tee All —
23 Condensate tee U-clamp All —
24 Recuperator kit, includes recuperator, recuperator connection gasket,
diamond flange gasket (2), connection hardware (4-nuts), flue gas
thermal fuse
070 and 105
140 and 175
382-200-714
WT
382-200-715
WT
25 Diamond flange, 1” npt All see item 24
26 Diamond flange gasket All 590-317-535
WT
27 Flue gas thermal fuse All 511-724-295
WT
28 In-line flue adapter with drain kit, includes in-line flue adapter with drain
and
drain hose (6 inches)
All 382-200-716
WT
29 Flue drain hose kit, 6 inches All 382-200-717
WT
30 Recuperator cover plate 070 and 105
140 and 175
593-000-002
WT
593-000-003
WT
31 Recuperator cover plate gasket 070 and 105
140 and 175
593-000-004
WT
593-000-005
WT
32 Recuperator vent pipe seal All 593-000-006WT
Replacement parts (continued)