1. Remove the retainer from the body bore. The check valve
mod ules can now be removed from the valve by hand or
with a screw driv er. NOTE: The seats and springs of the first
and second check modules are not in ter change able. The
heavier spring and smaller di am e ter seat belong with the first
check module.
2. The check seats are attached to the cage with a bay o net
type lock ing ar range ment. Hold ing the cage in one hand,
push the seat in ward and ro tate clockwise against the cage.
The seat, spring cage, spring and disc assembly are now
in di vid u al com po nents.
NOTE:
3
⁄4" M2 modules snap apart.
3. The disc assembly may now be cleaned and re-as sem-
bled or, de pend ing on its condition, may be dis card ed and
replaced with a new assembly from the re pair kit. O-rings
should be cleaned or replaced as nec es sary and light ly
greased with the FDA approved grease. Refer to parts price
list, PL-RP-BPD for more information.
4. Re-assemble the check valve modules. Check mod ules are
in stalled in the valve body with the seat fac ing the valve inlet.
The modules must be se cure ly in place be fore the re tain er
can be re placed. On the
3
⁄4" size re tain er may have to be tilt-
ed slightly into place. Re place relief valve as sem bly.
Watts re serves the right to change or modify prod uct de sign, con struc-
tion, spec i fi ca tions, or ma te ri als with out prior notice and without in cur-
ring any obligation to make such chang es and mod i fi ca tions on Watts
prod ucts previously or subsequently sold.
For additional information, contact your local technical sales
representative, see back page.
Cover O-ring
Retainer
Second Check Assembly
First Check Assembly
Relief
Valve
Module
CHECK ASSEMBLY
3
⁄4" M3
O-ring
Seal
Spring
Disc
Seat
Check
Cage
CHECK ASSEMBLY
1
⁄4" –
3
⁄4"
Injection Molded
Acetal Resin
O-ring Seal
Stainless Steel
Spring
Silicone Seal
1st Check
Module
CHECK ASSEMBLY 1" - 2" (25 – 50mm)
Seat
Seat O-ring
Disc Assembly
Spring
Check Cage
Check Valve Kits
1
⁄4" – 2" (8 – 50mm)
When ordering, specify Ordering Code, Kit number and Valve Size.
ORDERING CODE KIT NO. SIZE
in. mm
Check Rubber Parts
0887293 RK 009 RC3
1
⁄4,
3
⁄8,
1
⁄2 8, 10, 15
0887003 RK 009M2 RC3
3
⁄4 20
0888522 RK 009M3 RC3
3
⁄4 20
0887507 RK SS009 RC1
1
⁄2 15
0887517 RK SS009M2 RC1
3
⁄4 20
0888595 RK SS009M3 RC1
1
⁄4 –
3
⁄4 8-20
0887017 RK 009 RC1
3
⁄4 – 1 20-25
0887527 RK SS009 RC1 1 25
0887791 RK 009M2 RC1 1 25
0887508 RK SS009 RC2
1
⁄2 15
0887518 RK SS009M2 RC2
3
⁄4 20
0888596 RK SS009M3 RC2
1
⁄4 –
3
⁄4 8-20
0887180 RK 009 RC2
3
⁄4 – 1 20-25
0887528 RK SS009 RC2 1 25
0887792 RK 009M2 RC2 1 25
Kit consists of: Disc, Cover O-ring and Seat O-ring.
Retainers
1047053 99AB47
1
⁄4,
3
⁄8,
1
⁄2 8, 10, 15
1047394 99BA47 M2-M3
3
⁄4 20
1047001 99FA47 1
1
⁄4 – 2 32-50
1047001 99FA47 M1, 2" M2 1
1
⁄4 – 2 32-50
1047401 99EA47 M2 1
1
⁄4 – 1
1
⁄2 32-40
LEAD FREE
*
ORDERING CODE KIT NO. SIZE
in. mm
First Check Kits
0887291 RK 009 CK1
1
⁄4,
3
⁄8,
1
⁄2 8, 10, 15
0887505 RK SS009 CK1
1
⁄2 15
0887000 RK 009M2 CK1
3
⁄4 20
0887515 RK SS009M3 CK1
1
⁄4 –
3
⁄4 8-20
0888520 RK 009M3 CK1
3
⁄4 20
0887005 RK 009 CK1
3
⁄4 – 1 20-25
0887009 RK 009 CK1SS
3
⁄4 – 1 20-25
0887525 RK SS009 CK1 1 25
0887789 RK 009M2 CK1 1 25
Kit consists of: Check assembly and Cover O-ring.
Second Check Kits
0887292 RK 009 CK2
1
⁄4,
3
⁄8,
1
⁄2 8, 10, 15
0887506 RK SS009 CK2
1
⁄2 15
0887001 RK 009M2 CK2
3
⁄4 20
0887516 RK SS009M3 CK2
1
⁄4 –
3
⁄4 8, 10, 15
0888521 RK 009M3 CK2
3
⁄4 15
0887007 RK 009 CK2
3
⁄4 – 1 15-25
0887011 RK 009 CK2SS
3
⁄4 – 1 15-25
0887526 RK SS009 CK2 1 25
0887790 RK 009M2 CK2 1 25
Kit consists of: Check assembly and Cover O-ring.
LEAD FREE
*
LEAD FREE
*
1
⁄4" – 1" (8 – 25mm)
6
* The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
Servicing First & Second Check Valves
Series 009 and LF009
1
⁄4" – 1" (8 – 25mm)
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