Replacement Parts List

MODEL 375, 475 & 475V
Lead-Free* Reduced Pressure Principle
Backow Preventers 2 1/2” & 3”
*This product contains a weighted average lead content less than 0.25% for wetted surfaces
.
46
ITEM
NO.
DESCRIPTION 2 1/2” 3”
1 GATE VALVE, NRS 212-48 3-48
GATE VALVE, OS&Y 212-48OSY 3-48OSY
GATE VALVE, OS&Y (F&G) 212-48OSYGXF 3-48OSYGXF
2 BOLT, FLANGE 558-11D 558-11D
3 NUT, FLANGE 558-9 558-9
4 GASKET, FLANGE 557-13 558-13
5 O-RING, CONTROL UNIT 032N 032N
6 RELIEF VALVE ASSY 3707-CU-XL 3707-CU-XL
7 BOLT, RELIEF VALVE 554-11A 554-11A
8 SEAT RETAINER #2 3507-14G 3507-14G
9 SEAT RETAINER #1 3507-14F 3507-14F
10 COVER 3507-3C 3507-3C
11 COVER RETAINER ASSY 5-23 5-23
12 BULKHEAD FITTING ASSY BHF1CXL-100 BHF1CXL-100
13 BALL VALVE 12-850XL 12-850XL
14 COUPLING 12-51 12-51
15 NIPPLE, LONG 558-21B 558-21B
16 PLUG 558-7 558-7
17 O-RING 245N 245N
18 NUT, POPPET RETAINER 3507-9 3507-9
19 HANDLE, #1 POPPET ASSY 3507-14E 3507-14E
20 WASHER 3507-14D 3507-14D
21 O-RING WK-111N WK-111N
22 POPPET RETAINER 3507-14 3507-14
23 SEAL RING 3507-12 3507-12
24 SEAT ASSEMBLY, #1 POPPET 3707-180 3707-180
25 SEAT ASSEMBLY, #2 POPPET 3507-180A 3507-180A
26 #1 CHECK ASSEMBLY 3707-300 3707-300
27 #2 CHECK ASSEMBLY 3507-300A 3507-300A
28 BULKHEAD FITTING ASSY BHF1BXL-100 BHF1BXL-100
29 SENSING TUBE FITTING, CU COVER 5758A-36 5758A-36
30 SENSING TUBE FITTING, BODY 3709-29 3709-29
31 SENSING TUBE 3707-36 3707-36
32 BALL VALVE 12-850MXL 12-850MXL
33 BULKHEAD FITTING, GASKET BHF1-13 BHF1-13
34 GASKET, COVER RETAINER 5-23-13 5-23-13
RK212-350
REPAIR KIT
MODELS 375 & 475(V), 2 1/2, 3”
PART NO. QTY. DESCRIPTION
3507-12 2 SEAL RING
245N 2 O-RING
WK-111N 2 O-RING
REPAIR KITS
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