Part number 550-143-010/1021
98
GV90+
series
2
gas-fired water boiler – boiler manual
Figure 103
Trim assembly
Item
number
Description
Weil-McLain
part number
1
System circulator, Taco 007
511-405-113
2
Bypass circulator, Taco 007
511-405-113
3
Circulator gasket, Taco 110-339
590-317-543
4
Manifold, casting/circulator kit, includes water manifold, circulator gasket (Taco
110-339) (2), square cut seal (manifold to casting)
382-200-720
5
Return manifold, recuperator/circulator kit, includes water manifold, circulator
gasket (Taco 110-339) (1), diamond gasket
382-200-721
6
Square cut seal gaskets, casting, 2.31"
572-800-011
7
Diamond flange gasket
590-317-535
8
Supply manifold kit, includes water manifold, circulator gasket (Taco 110-339) (1),
square cut seal (manifold to casting)
382-200-722
9
Coin-operated air vent, 1/8” NPT
570-148-565
10
Wiring harness, circulators to IBC
591-391-824
11
Return water temperature sensor and clip
511-330-089
12
Tee, 1” x 1” x ¾”
Obtain locally
13
Bushing ¾” x ¼”
Obtain locally
14
Temperature and Pressure Gauge, 1/4” NPT
380-000-000
15
30 PSIG Relief Valve
511-546-920
16
Nipple, NPT — ¾” x 3”
Obtain locally
17
Block temperature limit switch
382-200-375
18
Boiler temperature/LWCO sensor
381-356-589
19
Drain valve, ¾” NPT
511-246-392
Replacement parts
(continued)
