Replacement Part List

35
Form No. 480-023 Zurn Wilkins Repair Kits Guide, 3/19
For additional information, please visit www.zurn.com.
MODEL 375XL and 375
Reduced Pressure Principle – Backflow Preventers 1/2" to 1"
Parts Drawing
OUTLET
O-RING
RK34-375BOF
RK1-375BOF
INLET
O-RING
BLOW-OUT
FLUSH HOUSING
2
18
19
12
21
22
17
20
1
11
9
10
8
5
6
7
15
13
14
4
3
16
25
27
26
28
29
30
24
31
32
33
23
34
36
36
7
8
9
10
35