WATTS719/LF719/719R10/719R15

SIZE1/2", 3/4", 1", 1 1/4", 1 1/2", 2"

DESCRIPTIONThis is a double check assembly. Production began in 2003. This has a poppet stylecheck valve. Check covers unscrew from the top ofthe body. The spring is notcontained when the cover is removed. The body is made from a bronze alloy. In2009 a LF model was produced with lead free bronze. The R10 and R15 designationrefers to models that used one size body to fit several smaller sizes by putting onsmaller ball valve shut-offs on the end (e.g. 719R10 1/2" & 3/4" use 719 1" body).

BASIC REPAIR KITThe repair kit contains discs and O-rings.

SIZE 719 KIT NO 719R10 KIT NO 719R15KIT NO1/2" 719RT050 719R10RT0503/4" 719RT075 719R10RT0501" 719RT100

1 1/4"-1 1/2" 719RT125 719R15RT1502" 719RT200

IMPORTANT FEATURES-Poppet style check-Bronze body-Factory repair information enclosed

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WATTS(R) Series 719REGULATOR Double Check Valve Assemblies

FeaturesMcto boe loy Sizes: 1/,, 2" (15 50mm)Separate access, top entry check valve design MaterialsReversible seat disc rubber, extends check valve Ife Body: BronzeChloramine resistant elastomers Bestomers: Chkramine resistant silicone and EPDMReplaceable seats and seat discs Check Seats: PPOCompact design Disc Hokers: PPOTop mounted screwdriver slotted bal valve test cocksLow pressure drop T1,,. 1" (15 25ram) have Tee handles Operating Pressure: 17,Spsi (12.1 bar)No special tools required for servicing Operating Tempeture Range: 333= 1803 (0.5"C 82"C) 719QTRestic on pstic chck guiding red::es potantiaJ bindingdue to miner deposits

Disc Rubber

Disc Washer.

Reinforcement

Rin:[Seat Spring

Seat0-

Test Cocks

First Check Assembly Secon Check Assembly

Vz" 719

f/

1"719 11/z" 719

...// /: .-...; /

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Dimensions/Weights

719QT MODELS

Ain. mm in. mm

D

A

B C D E(LF) G H Min. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm Ibs. kgs.

719-OT 1/2 15 9 251 311/46 94 213/46 75 53/4 147 21/2 63 111Ao 43 3A 20 23/ 70 21/4 57 2.84 1.29719-QT 3/4 20 123 314 41/4 108 31/2:90- " 7 200 31h 80 2o 53 11/1: 27: 33o 81 23/4 70719-(T 25 1413/40 376 43/40 116 313/4o 98 9/ 244 1313/40 96 2o 63 13/4o 34 33/4 95 3 76 7.44 3.37719:0T 11/432 18 480 6 155 5 129 1111A029714/ t08 2% 67 1% -41 4o 113 31/2 89 13:96 6:33719-/ 11/2 40 18 480 6Vo 155 51/16 129 111o 297 43/4 120 31/ 79 1% 41 4 124 4 102 16.12 7.31’719: 2 50 191/2 495 5!3/4 ;1,7 13 340 5 136 3 87 13/4 49 53/4 151 5 127 25:6611:64’?I’9-QT-S 1/2 15 9 251 31o 94 21%6 75 121/2 312 53/4 147 21/2 63 11/16 43 20 23/4 70 21/4 57 3.84 1.74"719QT-S 151/2;394 7’ :00 80 2’6 53 11Ao 27 33/4o81 2A 70 6141’2.91719-(]T-S 25 1413/40 376 43/40 116 33/46 98 183/4o 462 P 244 313/4o 96 23/40 63 13/4o 34 33/4 95 3 76 9.44 4.28719:0TS 1A32 18 480 6 155 5S 129 223/4;578 111o 297 41/4 108 6 1% 41 4o113 31/2 89 17,96 8.15719-QT-S 11/2 40 18 480 6 155 51/40 129 231/4 591 111’ 297 43/4 120 31 79 1% 41 4 124 4 102 19.87 9.0171T-S 2 50 19 495 179 513/4o 147 24 632 133/4 340 53/46 136 3 87 116 49 53/4 151 5 127 33.41 15,15

U719QT MODELS

A B C D E (LF) G H M Nin. mm in. mn in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm Ibs. kgs.

U719-QT-R10 1/2 15 1513/46 402 43/40 116 313/4o 98 113/4o 288 31/1o 77 !111A 43 13/4o 34i 23/4" 70 21/4 57 7.44 3.37U719OT-R10 3/4 20 16, 413 43/46 116 313/4o 98 , -] 113/40 287 3 86 !2o: 53 1o 34 33/40 81 2A 70 7:94 3:60_U719-QT ’’25 1’71/ 439 43/46 1’i6 313/46 98 111o 297 313/4o 96 2o 63 13/4o 34 33/4 95 3 76 8.92 4.05U719-QT-R15 11/4 32 213/4 539 61/2 155 5H 12- i14o 364 4Y 1082 67:115 41 4o 113 31/2 189 17,64 8,00U719-QT 11/2 40 21/ 547 6 155 5o 12; 141/2 369 43/4 120 3 79 ’1% 41 4 124 4 102 19.76 8.96U719-QT 2 50 21 555 7/1o 79 53/4 147 ’ 15A 400 5 136 3o 87 15 49 5/1 151 5 127 29.97:13:59U719-QT-S-R1C 1/2 15 1513/40 402 43/40 116 3t3/46 98 18o468 113/4o 288 31/1o 77 111/1s 43 13/4o 34 23A 70 21/4 57 8.44 3.83U719QT-SR1C.3/4 20. 161/4 413.43/4o 116 3!3/46 9,.]9%492 115/1o 287 3% 86 2/1o 53 1 34 36:81 23/4 10, 91’69 4.39L/719-QT-S 25 171/4 439 43/40 116 33/46 98 20% 524 111/1o 297 33/4’o 96 20 63 1%o 34 33/4 95 3 76 10.92 4.95U719-QT-S-Rll 11/4 32 213/4o 539 61/2 155 56:12 51/46637 14o 364:41/4 108 2A 67 1% 41 46 113 31/2 89 21164 9.82UI19-(T-S 1 40 2’11/2 547 61h 155 51/16 12 25 657 141/2 369 43A 120 31 79 1% 41 47 124 4 102 23.51 10.66LJ719,QT-S 2 50 21 555 7Ao 179 53/46:147 271/4692 153/4 400 53/40 136 36 87 115/16 49 53/40 151 5 127 37.72 17.11

71 9AQT MODELS

D

A C D (LF)in. mm in. mm in. mm in. mm in. mm in. mm in. mm

’719-A(T 1/ 15 7 200 4/1o 106 313/4o 100 213/4o 75 5A 147 31/1o 77719,AOT’ 3/4 20 !0 349 ’43/4 121 3/4 116 31/2 90 7 200 3/ 86_/ig-AuI 25 12"/16 322 5 127 4o 110 33/4o 98 9/ 244 313/4o 96

G Hin. mm in. mm Ibs. kgs.

11o 43 13/4o 34 3.40 1.5421/40 53:1o 34 5.66 2.572o 63 13/4o 34 8.87 4.03

719-NT 11/4:32 15/1o 386 5h 144 5H :;129 11"!1/2o 297 41 108 2 67i 1% 41 15:66 7.10.719-AL 11/2 40 153/4o 401 63/1o 157 63/46 157 51/1o 129 1111/40 297 43A 120 31 79 1% 41 18.40 8.35719-AQT .2 50 17% 442:6% 167 167 53/4o.141 13% 340 5/1o 136 36 87 113/4e 49 28.96 13.1

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