Watts 009 Series, Installation, Maintenance & Repair

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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.
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
oRdeRing code KiT no. size
in. mm
First Check Kits
0887300 RK 009M2 CK1 1
1
⁄
4
– 1
1
⁄
2
32-40
0887270 RK 009M1 CK1 1 1 ⁄
4
– 2 32-50
0887006 RK 009 CK1 1
1
⁄
4
– 2 32-50
0887010 RK 009 CK1SS 1 1 ⁄
4
– 2 32-50
0887272 RK 009MI CK1SS 1
1
⁄
4
– 2 32-50
0887540 RK 009M2 CK1 2 50
Kit consists of: First check assembly, Cover O-ring and Sensing passage O-ring.
Second Check Kit
0887301 RK 009M2 CK2 1 1 ⁄
4
– 1 1 ⁄
2
32-40
0887271 RK 009M1 CK2 1
1
⁄
4
– 2 32-50
0887008 RK 009 CK2 1 1 ⁄
4
– 2 32-50
0887012 RK 009 CK2SS 1
1
⁄
4
– 2 32-50
0887273 RK 009 M1 CK2SS 1 1 ⁄
4
– 2 32-50
0887541 RK 009M2 CK2 2 50
Kit consists of: Second check assembly, Cover O-ring and Sensing pas sage O-ring.
First Check Rubber Parts Kit
0887304 RK 009M2 RC1 1 1 ⁄
4
– 1 1 ⁄
2
32-40
0887305 RK 009M2 RC2 1
1
⁄
4
– 1
1
⁄
2
32-40
0887274 RK 009M1 RC1 1 1 ⁄
4
– 2 32-50
0887275 RK 009M1 RC2 1
1
⁄
4
– 2 32-50
0887018 RK 009 RC1 1 1 ⁄
4
– 2 32-50
0887183 RK 009 RC2 1
1
⁄
4
– 2 32-50
0887542 RK 009M2 RC1 2 50
0887543 RK 009M2 RC2 2 50
Kit consists of: First check assembly O-ring, Disc holder assembly, Cover O-ring
and Sensing passage O-ring.
LEAD FREE
*
LEAD FREE
*
LEAD FREE
*
Check Valve Kits
1
1
⁄
4
" - 2" (32 – 50mm)
7
* 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
1
⁄
4
" – 2" (32 – 50mm)