GWS-090E
Gas-Fired Water Boiler –
Boiler Manual
34
Part Number 550-110-737/1108
Figure 16
Base assembly, manifold, orifices and burners
13 Replacement parts
continued
The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials per instructions on
page 21 of this manual. Failure to comply could result in severe personal injury.
Item
Description
Part number
Base insulation kit (includes insulation for
all base parts shown above plus gasket
material needed between block assembly
and base)
GWS-090E
381-356-516WT
Base assembly kit (includes base panels
items 1, 2, 3, 4, 5, 6, 7, 8, 11,13, 22 and
23 plus insulation, Air box gaskets, and
hardware)
GWS-090E
381-356-523WT
Inlet air box top panel kit
(includes items 13 and 14)
GWS-090E
381-356-502WT
Inlet air box front panel kit
(includes items 11, 12 and 23)
GWS-090E
381-356-509WT
1
Base pan (in Base assembly)
2
Boiler leg kit
550-320-219WT
3
Heat shield (in Base assembly)
4
Burner baffle (in Base assembly)
5
Base left side panel (in Base assembly)
6
Base right side panel (in Base assembly)
7
Base back panel (in Base assembly)
8
Base front cross-tie assembly (in Base assembly)
9
Pilot bracket
450-003-689WT
10
Pilot burner assembly — Natural gas
Pilot burner assembly — Propane gas
511-330-080WT
511-330-081WT
11
Inlet air box front panel (in Inlet air box front panel kit)
Item
Description
Part number
12
Inlet air box front panel gasket (use Gasket kit)
13
Inlet air box top panel (in Inlet air box top panel kit)
14
Inlet air box top panel gasket (use Gasket kit)
15
Manifold (per size)
GWS-090E
591-126-723WT
16
Manifold mounting gasket
590-317-406WT
17
Burner mounting panel
GWS-090E
450-003-691WT
18
Rear spacer strip
GWS-090E
550-320-161WT
19
Burner
GWS-095 — qty: 3
512-200-076WT
20
Burner orifice — Natural gas, sea level
Burner orifice — Propane gas, sea level
560-529-126WT
560-529-111WT
21
Thermal fuse element
512-050-230WT
22
Grommet for sealing pilot tubing/wiring opening
to Air box
591-850-064WT
23
Inspection port clear plug
591-491-216WT
24
Hex nut for burner end stud, 5 mm
550-320-170WT
Gasket (for Air inlet box covers), 8-foot length
590-317-400WT