4
709
3
/
4
" – 2"
EDP No.
Kit No.
Size
First or Second Check Kits
in.
mm
0887150
RK 709 CK4
3
⁄
4
– 1
20-25
0887151
RK 709 CK4
1
1
⁄
2
– 2
32-50
0887154
RK 709 CK4SS*
3
⁄
4
– 1
20-25
0887155
RK 709 CK4SS*
1
1
⁄
2
– 2
32-50
Kit includes: Disc assembly, Spring, Seat, Seat o-ring and Cover O-ring.
Complete Rubber Parts
0887152
RK 709 RT
3
⁄
4
– 1
20-25
0887153
RK 709 RT
1
1
⁄
2
– 2
32-50
Kit includes: Diaphragm, Disc assembly, Seat o-ring and Cover o-ring.
Seat Kits
0887160
RK 709 S4
3
⁄
4
– 1
20-25
0887161
RK 709 S4
1
1
⁄
2
– 2
32-50
0887162
RK 709 S4SS*
3
⁄
4
– 1
20-25
0887163
RK 709 S4SS*
1
1
⁄
2
– 2
32-50
Cover Kits
0887156
RK 709 C1
3
⁄
4
– 1
20-25
0887157
RK 709 C1
1
1
⁄
2
– 2
32-50
0887158
RK 709 C2
3
⁄
4
– 1
20-25
0887159
RK 709 C2
1
1
⁄
2
– 2
32-50
Kit includes: Cover and Cover o-ring.
*Stainless Steel
1.
After removing the cover screw, the check comes out
with the cover.
2.
Holding the check Valve module in both hands, rotate
the
assembly
1
⁄
4
turn. This will disengage the disc and
spring assembly into individual components. The disc
assembly may be cleaned or replaced. O-rings should
be cleaned or replaced as necessary and lightly greased
with the FDA approved silicon grease. Reassemble
the check valve module in the reverse order.
NOTE:
The springs of the fi rst and second check valves
are
interchangeable.
(Before servicing, be certain water is turned off or
shutoff valves are closed)
First Check
Second Check
Cover
Cover
O-ring
Spring
Disc
Holder
Assembly
Seat
Seat
O-ring
Rubber Parts
Kit
First Check
Kit
Second Check
Kit
Rubber
Parts
Kit
Service, Replacement Parts and Maintenance
3
/
4
" – 2" (20-50mm)
RP-IS-709_709DCDA.indd 4
9/26/08 2:28:14 PM
