Watts S8 - Manual (Page 25)

2
Reduced Pressure Zone Assemlies
23
Reduced Pressure Zone
Assemblies
Sizes 3 ⁄
4
" – 2"
Repair Kits
When ordering specify Ordering Code, Kit No., and Valve Size.
ORDERING CODE KIT NO. SIzE LIST PRICE
Total Repair Kits
0794066 LFRK 909-T 3 ⁄
4
" – 1" $303.66
0794071 LFRK 909-T 1 1 ⁄
4
" – 2" 560.96
Kit consists of: relief valve repair kit, first check repair kit, second check repair kit
Relief Valve Kits
Relief Valve Kits »
0794059 LFRK 909 VT 3 ⁄
4
" – 1" 177.35
0794060 LFRK 909M1 VT 1 1 ⁄
4
" – 2" 330.33
Kit consists of: relief valve assembly, seat, seat O-ring, 2 piston O-rings and lubricant.
Rubber Parts for Relief Valve
1
1 ⁄
4
" – 2"
0794061 LFRK 909 RV 3 ⁄
4
" – 1" 52.76
0794062 LFRK 909M1 RV 1 1 ⁄
4
" – 2" 73.86
Kit consists of: diaphragm, disc assembly, seat O-ring, RV O-ring, 2 piston O-ring, and
lubricant.
Seat Kits for Relief Valve
0887372 RK 909 SV 3 ⁄
4
" – 1" 72.75
0887371 RK 909M1 SV 1 1 ⁄
4
" – 2" 115.55
Kit consists of: seat, seat O-ring, 2 piston O-ring and lu bri cant.
Figure 1:
To assemble the relief valve assembly have a
screwdriver ready. Figure 2:
Depress the relief valve assembly, carefully
guiding it against the two pound spring
load. When properly aligned, the piston is in
the cylinder bore. Insert the screwdriver as
shown. Figure 3:
The relief valve assembly is held en cap su lat ed by
the screwdriver. You should now have both hands
free to bolt down the cover. Insert and snug two
bolts 180° apart to hold the cover. Finish inserting
the remaining bolts and snug up evenly alternating
until se cure. Remove the screwdriver.
TO PREVENT SHAFT DAMAGE ASSEMBLE AS SHOWN: If cover will not press against body, as sem bly is crooked and tightening bolts will bend shaft.
Do not force the cover into place as damage may result from misalignment.
3 ⁄
4
" – 1"
1 1 ⁄
4
" – 2"
Disc Assembly
Piston O-ring
Piston
Relief Valve Assembly
Stem
RV O-ring
Seat
O-ring
Seat
Diaphragm
Body Cover
1 1 ⁄
4
" – 2" 909/909M1 are common kits.
Disc Assembly
(2) Piston O-ring Relief Valve Assembly
Stem
Seat O-ring
Seat
Diaphragm
Cover
Piston
(2) RV O-ring
Series 909, LF909
LEAD FREE
*
LEAD FREE
*
LEAD FREE
*
LEAD FREE
*
* The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
NOTICE