Install Instructions

Part Number 550-142-902/1016
CGi
GAS-FIRED WATER BOILER — SERIES 3 — Boiler Manual
67
Replacement parts — trim
12e
Figure 42 Trim assembly
Item
number
Description Manufacturer Manufacturer’s
part number
Weil-McLain
part number
1 Pressure relief valve, ASME, 30 PSIG, ¾” male inlet
Pressure relief valve, ASME, 30 PSIG, ¾” female inlet
(Fittings shown are factory-installed on boiler.)
Conbraco
Watts
Conbraco
Watts
10-407-05
M330
10-408-05
335
511-546-920
511-546-924
2
Combination pressure-temperature gauge, 3¹⁄,” diameter,
short shank (Fittings shown are shipped loose with
boiler.)
Weil-McLain 380-000-000
3 Drain valve, ¾”
(Fittings shown are included with boiler.)
Conbraco
Hammond
Valve
Matco-Norca
Watts
31-606-01
710
205F04
BD-2C
511-210-423
511-246-392
511-246-392
511-246-392
4 Circulator
(Fittings shown are shipped loose with boiler.)
Taco 007 511-405-113
5 Circulator gasket, universal (2 per boiler) Weil-McLain 590-317-535
not
shown
Circulator hardware kit, includes:
1 flange, 2 nuts, 2 screws, 1 gasket —
¾” NPT — CGi-25 -------------------------------------------
1” NPT — CGi-3 through CGi-5 --------------------------
1¼” NPT — CGi-6 and CGi-7 -------------------------------
1½” NPT — CGi-8 ---------------------------------------------
Weil-McLain
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381-354-530
381-354-525
381-354-526
381-354-531
6 Circulator wiring harness kit, with Molex (loose) 591-391-976