Watts 009 Series, Installation, Maintenance & Repair

Page: 8 / 12

1. Remove the four or six relief valve cover bolts while holding
the cover down.
2. Lift the cover straight off. The stem and diaphragm assembly
will normally remain with the cover as it is removed. The relief
valve spring will be free inside the body at this point.
3. The relief valve seat is located at the bottom of the body
bore, and can be removed, if necessary, for cleaning. The
disc can be cleaned without disassembly of the relief valve
module. If it is determined that the relief valve diaphragm
and/or disc should be replaced, the relief valve module can
be readily disassembled without the use of special tools.
NOTE:
The disc rubber is molded into the disc holder and is
supplied as a disc holder assembly.
4. To reassemble the relief valve, press the seat firmly into place
in the body, center the spring on the seat, and insert the
cover and relief valve module as a unit straight into the bore.
Press down on the cover to assure proper alignment. Insert
and tighten bolts.
CAUTION:
If cover will not press flat against body, stem assembly is
crooked and damage can result. Realign stem and cover
before bolts are inserted.
NOTE: No special tools required to service Series 009
2
1
/
2
" – 3" (65 – 80mm).
For additional information, contact your local technical sales representative, see back page. 8
Test Cock No. 2
Test Cock No. 3
Test Cock No. 4
Ball Type
Test Cocks
Second Check
Module Assembly
R.P. Zone
Water Outlet
Relief Valve
Assembly
First Check
Module Assembly
Cover O-ring
Diaphragm
Stem Assembly
Retainer
Seat
Seat O-ring
Relief Valve
Service Parts Kit
Spring
Flow Tube O-ring
Relief Valve Kits
2
1
/
2
" – 3" (65 – 80mm)
When ordering, specify Ordering Code, Kit number and Valve Size.
oRdeRing code KiT no. size
in. mm
Total Repair Kits
0887795 RK 009M2-T 2 50
0887299 RK 009-T 2 1 ⁄
2
– 3 65-80
Kit consists of: Relief Valve Repair Kit, First Check Repair Kit, Second Check Repair
Kit.
Repair Kits
Total Relief Valve Kit
0887021 RK 009 VT 2
1
⁄
2
– 3 65-80
0794052 LFRK 009 VT 2 1 ⁄
2
– 3 65-80
Kit consists of: Seat, Stem assembly, Spring, Two piston O-rings, Flow tube O-rings
and Cover O-ring.
Relief Valve Rubber Parts
0887206 RK 009 RV 2 1 ⁄
2
– 3 65-80
0794053 LFRK 009 RV 2
1
⁄
2
– 3 65-80
Kit consists of: Diaphragm, Disc, Molded disc assembly, Piston O-ring, Stem O-ring
and Cover O-ring.
LEAD
FREE *
LEAD
FREE
*
LEAD
FRE
E
*
Servicing the Relief Valve
Series 009 and LF009
2
1
⁄
2
" – 3" (65 – 80mm)
* The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.