Williamson Series 2 - Page 44

44
Part Number 550-142-785/0812
GWI Series 2 Gas-Fired Water Boilers – Boiler Manual
Figure 27 Trim assembly
13 Replacement parts continued
Item
number
Description Manufacturer Manufacturer’s
part number
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
10-407-05
M330
511-546-920WT
Conbraco
Watts
10-408-05
335
511-546-924WT
2 Combinationpressure-temperaturegauge,with2½”shortshank Ametek
ENFM
PTA-1088
4104
510-218-099WT
3 Drain valve, ¾”
(Fittings shown are included with boiler.)
Conbraco
Hammond Valve
Matco-Norca
Watts
31-606-01
710
205F04
BD-2C
511-210-423WT
4 Circulator(Fittings shown are shipped loose with boiler.) Taco 007 511-405-113WT
5 Circulatorgasket,universal(2perboiler) 590-317-535WT
not shown Circulatorhardwarekit,includes:
2 flanges, 4 nuts, 4 screws, 2 pipe nipples —
 1”NPT—GWI-047throughGWI-127
 1¼”NPT—GWI-158throughGWI-190
381-354-525WT
381-354-526WT
6 Circulatorwiringharness 591-319-976WT