Watts S8 - Manual (Page 16)

1
Single & Double Check Assemblies
14
Series
774, 774DCDA,
774X, 774XDCDA
Double Check Valve Assemblies
Double Check Detector Assemblies
Sizes 2 1 ⁄
2
" – 12"
Repair Kits
When ordering specify Ordering Code, Kit No., and Valve Size.
First Check 8" – 12" Second Check 8" – 12"
First Check 2
1 ⁄
2
" – 6" Second Check 2
1 ⁄
2
" – 6"
O-ring Seal &
Groove
Seat
O-ring Seal
& Groove
Spring
Cam Arm
Hole 6" &
8" only
Roller
Clapper
O-ring Seal
& Groove
Seat
Spring
Cam Arm
Hole
6" & 8" only
Roller
Clapper
Lug
O-ring Seal & Groove
ORDERING CODE KIT NO. SIzE FOR USE W/MODEL #'S LIST PRICE
First Check Kit
0888820 RK 774/774DCDA CK 1 2 1 ⁄
2
", 3", 4" 2 1 ⁄
2
"–4" 774/774DCDA/6" 774X/774XDCDA $262.60
0888821 RK 774/774DCDA CK 1 6" 6" 774/774DCDA/8" 774X/774XDCDA 279.90
0888827 RK 774/774DCDA CK4 8" – 12" 774/774DCDA 807.35
Kit consists of: complete #1 cam check with check O-ring.
Second Check Kit
0888822 RK 774/774DCDA CK 2 2 1 ⁄
2
", 3", 4" 2 1 ⁄
2
"–4" 774/774DCDA/6" 774X/774XDCDA 262.60
0888823 RK 774/774DCDA CK 2 6" 6" 774/774DCDA/8" 774X/774XDCDA 279.90
0888827 RK 774/774DCDA CK4 8" – 12" 774/774DCDA 807.35
Kit consists of: complete #2 cam check with check O-ring.
Cover Kit
0888824 RK 774/774DCDA C 2 1 ⁄
2
", 3", 4" 2 1 ⁄
2
"–4" 774/774DCDA 300.20
0888825 RK 774/774DCDA C 6" 6" 774/774DCDA/8" 774X/774XDCDA 447.30
0888826 RK 774X/774XDCDA C 6" 6" 774X/774XDCDA 344.00
0888828 RK 774/774DCDA C 8" – 12" 774/774DCDA 573.45
Kit consists of: cover; grooved coupler & gasket.
For 6" 774X 1st & 2nd check, use RK 774 CK1 & CK2 4" For 6" 774XDCDA 1st & 2nd check, use RK 774DCDA CK1 & CK2 4"
For 8" 774X 1st & 2nd check, use RK 774 CK1 & CK2 6" For 8" 774XDCDA 1st & 2nd check, use RK 774DCDA CK1 & CK2 6"
For 8" 774X cover kit, use RK 774 C 6" For 8" 774XDCDA cover kit, use RK 774DCDA C 6"
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.