Operating instructions

Item
number
Description Part number
Base assembly kit GWA-052
GWA-070
GWA-105
GWA-140
GWA-175
GWA-210
GWA-245
381-354-355WT
381-354-356WT
381-354-357WT
381-354-358WT
381-354-359WT
381-354-360WT
381-354-361WT
1 Base side panel (in Base assembly)
2 Base front cross-tie assembly (in Base assembly)
3 Base back cross-tie assembly (in Base assembly)
4 Base access panel (in Base assembly)
5 Base pan angle, left side (in Base assembly)
6 Base pan angle, right side (in Base assembly)
7 Base pan (in Base assembly)
8 Burner rest (in Base assembly)
9 Base insulation kit
(includes insulation for
all base parts above
plus
gasket material needed
between block as-
sembly
and base)
GWA-052 to GWA-140
GWA-175 to GWA-245
381-354-518WT
381-354-519WT
10 Boiler leg kit 590-424-252WT
11 Manifold GWA-052
GWA-070
GWA-105
GWA-140
GWA-175
GWA-210
GWA-245
591-126-615WT
591-126-616WT
591-126-617WT
591-126-618WT
591-126-619WT
591-126-556WT
591-126-557WT
12 Main burner orice, sea
level
Natural gas
Propane gas
560-528-997WT
560-528-998WT
13 Burner, stainless steel 512-200-077WT
14 Burner with pilot
bracket
(not shown)
Standing pilot (natural) 512-200-079WT
Standing pilot (propane)
Spark-ignited pilot (nat.)
512-200-078WT
15 Screw, 10-32 x ⅜ STP Type D Hex, washer head
slot ZP
available at
local supply
house
16 Rollout thermal fuse element 512-050-230WT
41
Part Number 550-142-784/0812
GWA Series 2 Gas-Fired Water Boilers – Boiler Manual
Figure 19 Base assembly, manifold, orices and burners
13 Replacement parts continued