Operating instructions

Item
number
Description Part number
not shown
Replacement
section
assembly
GWA-052
GWA-070
GWA-105
GWA-140
GWA-175
GWA-210
GWA-245
321-114-345WT
321-114-345WT
321-114-346WT
321-114-347WT
321-114-348WT
321-114-349WT
321-114-350WT
1
Radiation plate
(1 per joint)
460-003-700WT
2
Collector
hood
GWA-052
GWA-070
GWA-105
GWA-140
GWA-175
GWA-210
GWA-245
381-354-625WT
381-354-626WT
381-354-627WT
381-354-628WT
381-354-629WT
381-354-630WT
381-354-631WT
3
Drafthood
GWA-052
GWA-070
GWA-105
GWA-140
GWA-175
GWA-210
GWA-245
450-021-240WT
450-021-241WT
450-021-242WT
450-021-243WT
450-021-244WT
450-021-245WT
450-021-246WT
Item
number
Description Part number
4
Temperature sensor
Tasseron
TSL055D
381-356-577
WT
5
Spill switch 510-300-014WT
6
Vent
damper
4” GWA-052
GWA-070
Efkal RVGP-KS-4BKF
* Johnson Controls Q35GB-2
Field Controls GVD-4
381-800-474WT
5” GWA-105
Efkal RVGP-KS-5BKF
* Johnson Controls Q35GD-2
Field Controls GVD-5
381-800-475WT
6” GWA-140
GWA-175
Efkal RVGP-KS-6BKF
* Johnson Controls Q35GF-2
Field Controls GVD-6
381-800-476WT
7” GWA-210
GWA-245
Efkal RVGP-KS-7BKF
* Johnson Controls Q35GH-2
Field Controls GVD-7
381-800-477WT
* Johnson Controls damper assemblies consists of M35BC
actuator and Y15 vent pipe
7
Vent damper actuator
Efkal RVGP
510-512-337WT
8
Vent damper harness 591-391-795WT
40
Part Number 550-142-784/0812
GWA Series 2 Gas-Fired Water Boilers – Boiler Manual
13 Replacement parts
Figure 18 Section assembly, ue collector, draft hood and vent damper