watts
View Details
740-3/4-30 | Relief Valve 3/4" X 1" 30psi 925000 Btu 511-546-925 0382008 | WATTS
Brand: WATTS
SKU: 740-3/4-30
Application
- Backflow Preventers
- Boiler Feed Lines
- Boiler Feed Lines and Water Supply
- Boiler Feed Lines; Smaller Hot and Cold Water Supply; Laboratory Equipment; Processing Tanks; Sterilizers; Dairy Equipment and Similar Applications
- Carbonated Beverage Machines
- Commercial Water Heaters
- Commercial and Industrial
- Commercial and Industrial Dishwashers; Clothes Washers; Fast Closing Valves and Other Plumbing Fixtures
- Commercial and Industrial Low Pressure Steam Heating and Process Equipment
- Commercial and Institutional
- Commercial and Residential
- Commercial and Residential Gas Supply
- Commercial and Residential Hot and Cold Water Distribution Systems
- Commercial; Industrial
- Commercial; Industrial and Agricultural
- Domestic Storage Tanks and Tankless Water Heaters
- Domestic Water Heaters and Supply Tanks
- For Washing Machine
- Heating
- Heating Commercial and Industrial
- Hot Water Boilers
- Hot Water Space Heating Boiler
- Hot Water Supply Boilers
- Hydronic Heating
- Hydronic Heating Systems
- Hydronics Steam Heating Product
- Irrigation Systems and Industrial Process Water System
- Laboratory Equipment; Processing Tank; Sterilizer; Dairy Equipment; Boiler Feed
- Light Commercial and Residential
- Low Pressure Steam Heating Equipment
- Polluted Water from Entering into the Potable Water Supply
- Prevent Pollutants Entering the Potable Water Supply System
- Protect Plumbing System Components and Reduce Water Consumption
- Residential Boilers
- Residential Commercial and Industrial
- Residential Hydronic Heating Loops
- Residential Installations
- Residential and Commercial Hydronic Heating Systems
- Residential and Domestic Water Systems
- Residential; Commercial and Institutional
- Testing All Backflow Prevention Assemblies
- Vending Machine Water Supply Lines
- Washing Machine
- Water Heater
- Water Heaters and Hot Water Storage Tanks
Collection
Connection Details
End Connection
- FNPT
- FNPT UnionxFNPT
- Female Hose Thread
- Female Iron Pipe
- Female Iron Pipe Thread x Female Brass Pipe Thread
- Female Iron Pipe Thread x Solder
- Female NPT
- Female Sweat
- Female Sweat x Male Hose Thread
- Female Threaded
- Female Union
- Female Union Inlet and Outlet
- Flange
- Flange/Female
- Flanged
- Flared
- Gate
- Grooved
- MNPT
- MNPT x Female NPT
- MNPTxFNPT
- Male Flare
- Male NPT x Female NPT
- Male Threaded
- Male Threaded x Female Threaded
- NPT
- NPT Female
- NPT Female Union x NPT Female
- NPT Threaded Inlet
- Press
- Press x Threaded
- Socket
- Socket x Male Threaded
- Solder
- Sweat
- Threaded
- Union FNPT
- Union NPT
- Union Solder
- Union Solder x NPT
- Union Sweat
- Union Sweat/FNPT
- Union Threaded
Finish
Handle Type
Height
Kit Contents
- 9 Backflow Preventer with Check Assembly and Cover O-Ring
- 9 Total Relief Valve Repair Kit; 009 First Check Valve Repair Kit; 009 Second Check Valve Repair Kit and Retainer
- 9 Total Relief Valve Repair Kit; 009 First Check Valve Repair Kit; Second Check Valve Repair Kit and Retainer
- 9M2 Total Relief Valve Repair Kit; 009M2 First Check Valve Repair Kit; 009M2 Second Check Valve Repair Kit and Retainer
- 9M3 Total Relief Valve Repair Kit; 009M3 First Check Valve Repair Kit; 009M3 Second Check Valve Repair Kit and Retainer
- 2 Check Assembly O-Rings; 2 Disc Assemblies; 1 Cover O-Ring; 1 RV Diaphragm; 1 RV Seat O-Ring; 1 Sensing Passage O-Ring; 1 Diaphragm Plate O-Ring; 1 RV Lower Stem O-Ring; 1 RV Upper Stem O-Ring; 1 RV Disc Assembly and 1 Bleed Screw
- 2 Discs and 2 Cover O-Rings
- 2 Discs; 2 Cover O-Rings and Upper and Lower Stem O-Ring
- Anti Siphon Pressure Vacuum Breaker; Bonnet; Bonnet O-ring; Vent Spring; Hood and Hood Screws
- Bronze Disc Assembly; Seat O-Ring; Cover O-Ring and Lubricant
- Check Assembly and Cover O-Ring
- Check Assembly; Cover O-Ring
- Check Disc; Cover O-Ring and Lubricant
- Complete #1 Cam Check with Check O-Ring
- Cover O-Ring; 2 Disc Assemblies and 2 Seat O-Rings
- Diaphragm Assembly; Disc Assembly; Seat; Seat O-Ring and 2 Union Seals
- Diaphragm; 2 Disc Assemblies; O-Ring
- Diaphragm; 2 Disc Assemblies; Stem O-rings; Cover O-ring; 2 Seat O-rings and RV Seat O-ring
- Diaphragm; Disc Assembly; Stem O-Rings; Seat O-Ring and Cover O-Ring
- Diaphragm; Disc and Piston Assembly; Seat; O-Ring and Lubricant
- Disc Assembly Includes Disc and Disc Float and Bonnet O-Ring
- Disc Assembly; Seat O-Ring and Cover O-Ring
- Disc Assembly; Seat O-ring; Cover O-ring and Lubricant
- Disc Assembly; Spring; Seat; O-Ring and Lubricant
- Disc Assembly; Spring; Seat; Seat O-Ring; Cover O-Ring and Lubricant
- Disc Assembly; Spring; Seat; Seat O-Ring; Cover O-Ring; and Lubricant
- Disc; Trap Disc; Trap Seat and Closing Disc
- Disk Assembly; Spring; Seat; O-Ring
- Double Check Valve Assemblies; Cover O-ring; 2 Disc Assemblies and 2 Seat O-rings
- Face Gauge; Test Valves; Adapters; Hoses
- First Check Assembly; Cover O-ring and Sensing Passage O-ring
- First and Second Check Module O-Ring; 2 EPDM Disc Elastomers; 2 E-Clips; Relief Valve Diaphragm; Relief Valve Inlet Coupler O-Ring and Relief Valve Piston Assembly
- Fully Assembled Second Check Cover O-Ring Lube
- Fully Assembled Second Check; Cover O-Ring; Lube
- Inlet Adapter Gasket; First Check Valve Assembly with Spring and O-Ring; Second Check Valve Spring; 2 Union Nut Gaskets; Relief Valve Spring; Second Check Valve Assembly; Stem O-Ring; Maintenance Tool and Silicone Grease
- Lead Free; Includes Cover O-ring; 2 Disc Assemblies and 2 Seat O-rings
- O-Ring Spring and Thermostat
- O-Ring; Red Silicone Shutoff Disc and E Clip
- RV Assembly; Seat; O-Ring; Cover; Sensing Passage and Upper Stem and RV Spring
- RV Assembly; Seat; O-Ring; RV Spring
- Relief Valve Assembly; Seat; Seat O-Ring; Cover O-Ring; Sensing Passage O-Ring; and Upper Stem O-Ring
- Seat; O-Ring
- Seat; O-Ring; Retainer Wires and Lube
- Seat; O-Ring; Stem and Diaphragm Assembly; RV Spring
- Seat; O-Ring; Stem and Diaphragm Assembly; Stem; Cover and RV Spring
- Seat; Seat O-ring; Stem and Diaphragm Assembly; Stem O-ring; Cover O-ring and RV Spring
- Side Plug O-Ring; 4 Teflon Discs; 2 Spindle O-Rings; 2 Adapter O-Rings and 2 Adapter Screw O-Rings
- Stem and Bushing Assembly; Diaphragm; Diaphragm Gasket; Bottom Plug Gasket; Bottom Spring; Strainer; Disc and Seat
- Valve; Seat; O-Ring; Stem and Diaphragm Assembly
- Vent Float; Seal and Spring and Bonnet O-Ring
- Vent Seal; Check Disc and Bonnet O-Ring
Length
Material
- 300 Stainless Steel
- Brass
- Bronze
- Cast Iron
- Cast Iron/Bronze
- Epoxy Coated Cast Iron
- Iron
- Iron; Stainless Steel
- Lead Free
- Lead Free 300 Stainless Steel
- Lead Free Brass
- Lead Free Brass; Iron
- Lead Free Brass; Steel
- Lead Free Brass; Steel; Iron
- Lead Free Bronze
- Lead Free Cast Copper
- Lead Free Cast Iron/Bronze
- Lead Free Chrome
- Lead Free Copper
- Lead Free Stainless Steel
- Lead Free; Steel
- Plastic
- Polysulfone
- Stainless Steel
Outlet Pressure
Part Number
- 4640
- 4646
- 6643
- 6644
- 9100
- 9108
- 9118
- 9128
- 9154
- 9162
- 9180
- 9192
- 9204
- 9217
- 9236
- 9257
- 9280
- 9309
- 9330
- 9392
- 9431
- 9465
- 9819
- 9835
- 9865
- 9866
- 9867
- 9868
- 9869
- 9874
- 9875
- 9876
- 9877
- 9878
- 9879
- 61982
- 61985
- 63069
- 66090
- 66100
- 66103
- 66110
- 66132
- 72203
- 72204
- 72205
- 7M1QT-1
- 7M1QT-2
- 7M2QT-112
- 7M2QT-114
- 7M3QT-34
- 7QT-12
- 9M2QTS-112
- 9M2QTS-2
- 9QTS-12
- 111764
- 121227
- 123631
- 125129
- 153614
- 156731
- 158774
- 163725
- 163765
- 190128
- 207532
- 274428
- 274513
- 274598
- 274683
- 274751
- 274836
- 274934
- 275054
- 275174
- 275264
- 275404
- 275464
- 275600
- 276500
- 298500
- 298514
- 298533
- 298553
- 298568
- 298585
- 315180
- 342624
- 346045
- 382008
- 382024
- 382328
- 382570
- 382589
- 382820
- 383310
- 383542
- 384042
- 384292
- 385496
- 386423
- 386466
- 386473
- 386474
- 545003
- 545005
- 545007
- 556015
- 556030
- 556031
- 556034
- 559119
- 559125
- 559126
- 559127
- 559128
- 559131
- 590715
- 590716
- 590719
- 66125
- 750160
- 750161
- 750162
- 750165
- 780003
- 780007
- 792000
- 792001
- 792524
- 794056
- 794059
- 794061
- 794063
- 794064
- 794069
- 794070
- 794085
- 794086
- 794096
- 794097
- 794101
- 794102
- 794106
- 820955
- 820956
- 821786
- 821787
- 821788
- 825211
- 825212
- 830918
- 830928
- 858549
- 862000
- 875505
- 877070
- 881240
- 881263
- 881370
- 881380
- 886011
- 886999
- 887000
- 887001
- 887002
- 887005
- 887007
- 887015
- 887016
- 887041
- 887043
- 887120
- 887121
- 887122
- 887124
- 887129
- 887152
- 887170
- 887171
- 887172
- 887173
- 887181
- 887182
- 887185
- 887188
- 887220
- 887236
- 887280
- 887283
- 887291
- 887292
- 887297
- 887298
- 887300
- 887301
- 887302
- 887307
- 887309
- 887310
- 887540
- 887541
- 887545
- 887547
- 887700
- 887706
- 887707
- 887709
- 887710
- 887785
- 887787
- 887789
- 887790
- 887793
- 887916
- 887917
- 888520
- 888521
- 888527
- 888820
- 888821
- 888823
- 899244
- 1/2BD911S-M3
- 2000M5-1
- 2000M5-114
- 2000M5-34
- 226060
- 288A-1
- 288A-38
- 335M2-34
- 374A-30-34
- 388800
- 388805
- 601S12
- 7018123
- 709LF-4
- 774LF-4
- 774LF-6
- 800M4FR
- 800M4FR-34
- 800M4QT-1
- 800M4QT-112
- 800M4QT-114
- 800M4QT-12
- 800M4QT-2
- 800M4QT-34
- 88009301
- 88009303
- 88009307
- 888524
- 888526
- 8A-34
- 8AC-34
- 8B-34
- 8P
- 909LF-4
- 957OSY-212
- 957OSY-3
- 957OSY-4
- 9BD-14
- 9BD-38
- 9DM2-34
- 9DM3-12T
- 9DSM3-12
- BBFP-34
- BFFP-12
- ICV-125-2-2-T-212
- ICV-125-2-2-T-3
- ICV-125-2-2-T-4
- LF007M1QT-1
- LF007M1QT-2
- LF007M2QT-112
- LF007M2QT-114
- LF007M3QT-34
- LF288A-1
- LF288A-12
- LF288A-34
- LF288AC-12
- LF288AC-38
- LF600-38
- LF70A-F1/2
- LF70A3/4
- LF8A-34
- LF8AC-34
- LF8B-34
- LF909QT-S34
- LFCSM-61-S-34
- LFN388-C-38
- M335-34
- SB1156F
- SD2-MN-38
- TB1156F
Pressure
Product Type
- 2 Piece
- 2 Way
- 2 Way Flow
- 3-Way Small
- 90-160DEG F
- Air Gap Vent
- Anti-Siphon
- Anti-Siphon Pressure
- Automatic Reseating
- Automatic Valve
- Automatic with Leak Sensor
- Back Flow Part
- Back Flow with Bottom Inlet
- Boiler Pressure
- Bonnet
- Check Valve
- Complete Rubber Part
- Dial Set and Backflow
- Discharge Line
- Double Check Valve
- Dual
- Dual Check
- Dual with Port
- Feed Water
- Fill Valve Backflow Preventers
- First Check
- Freeze Protection Pressure
- Freeze Protection Pressure Vacuum Breaker
- Full Port
- Heavy Duty Mechanical
- Heavy Duty Stem
- High Capacity
- High Capacity Feed Water
- Hose Connection Atmospheric
- Hot Water Check
- Hot Water Extender
- Hot Water Temperature
- Hot and Cold Water Anti-Siphon
- Low Temperature
- Manual Washing Machine
- Microbubble
- Poppet
- Poppet/Pressure
- Pressure
- Pressure with Quarter Turn
- Purge; Drain and Balancing
- Reduced Pressure Zone Assembly
- Relief Valve
- Rubber Part
- Seat
- Second Check
- Self Closing
- Silent
- Steam
- Steam Pressure
- Steam Safety
- Swing
- Temperature and Pressure
- Temperature and Pressure with Extended Shank
- Tempering
- Tempering Valve
- Thermostatic
- Total Relief Valve
- Trap Primer
- Vacuum
- Vacuum Breaker
- Vent Float
- Vented Dual
- Vertical/Horizontal
- Washing Machine Automatic Shut-Off Valve with Leak Sensor
- Water
- Water Pressure
- Water Reducing Valve
- With Press
- With Splash Guard
Seal Material
Size
- 1-1/1/2IN
- 1-1/2 to 2IN
- 1-1/2IN
- 1-1/4 To 3IN
- 1-1/4 to 1-1/2IN
- 1-1/4 to 2IN
- 1-1/4IN
- 1-4IN
- 1/2 To 3/4IN
- 1/2IN
- 1/2x3/4IN
- 1/4 to 1/2IN
- 1/4-1/2IN
- 1/4-20x12IN
- 1/4-3/8IN
- 1/4IN
- 1/4x1/4IN
- 1/8IN
- 1/8x1/4IN
- 15IN
- 1IN
- 1x1-1/4IN
- 1x1IN
- 1x4IN
- 1x7IN
- 2-1/2 To 10IN
- 2-1/2 to 3IN
- 2-1/2 to 4IN
- 2-1/2IN
- 2-1/3 to 3IN
- 2IN
- 3/4 to 1IN
- 3/4IN
- 3/4x3/4IN
- 3/4x4IN
- 3/4x5IN
- 3/4x8IN
- 3/8IN
- 3IN
- 4 To 10IN
- 4-6IN
- 4IN
- 6IN
- 7-1/2x7-1/2x12IN
- 8IN
Temperature
- -20 to -125DEG
- 0 to 140DEG
- 0 to 350DEG
- 110DEG F
- 120 to 160DEG F
- 130DEG F
- 180DEG
- 180DEG F
- 210DEG
- 210DEG F
- 210DEG F/353DEG F
- 212DEG
- 212DEG F
- 22 To 250DEG F
- 240DEG
- 250DEG
- 250DEG F
- 33 To 110DEG F
- 33 To 140DEG F
- 33 To 180DEG F
- 33 To 250DEG F
- 33 to 160DEG
- 33 to 180DEG
- 33 to 240DEG
- 33-160DEG F
- 33DEG
- 90 To 160DEG F
- 90-160DEG F
Used on
- 7 Series Double Check Valve Assemblies
- 9 009M2/M3 995 Reduced Pressure Zone Assembly
- 9 Backflow Preventer
- 9 Reduced Pressure Zone Assemblies
- 9 Series Reduced Pressure Zone Assemblies
- 9 Series; Reduced Pressure Zone Assemblies
- 9/909 009M1 009M2 Reduced Pressure Zone Assembly
- 9/909 009M2 995 Reduced Pressure Zone Assembly
- 152A-RK
- 188A; 288A; 388ASC; N388 Series Valves
- 288A Series Hot or Cold Water Anti-Siphon Vacuum Breakers
- 709 Series Double Check Valve Assemblies
- 774DCDA Double Check Detector Assemblies
- 800M4 Pressure Vacuum Breakers
- 800M4FR Freeze Resistant Pressure Vacuum Breakers
- 900 Series Reduced Pressure Zone Assemblies
- 909 909M1 Reduced Pressure Zone Assembly
- 909 Backflow Preventer
- 909 Reduced Pressure Zone Assemblies
- 909 Series Reduced Pressure Zone Assemblies
- 957 Reduced Pressure Zone Assembly
- 957; 957N; 957Z Series Reduced Pressure Zone Assemblies
- 9D Series Dual Check Valves with Intermediate Atmospheric Vent
- A200 Series Flow Through Trap Primers
- Bronze Reduced Pressure Zone Assemblies
- C200; C300 Series Colt Double Check Valve Assemblies
- Commercial and Industrial
- Double Check Valve Assemblies
- Hydronic Heating Systems
- Irrigation and Industrial Process Water Systems
- LF909 Backflow Preventer
- LF909 Reduced Pressure Zone Assemblies
- Laboratory Equipment
- Laboratory Faucet
- Pressure Zone Assemblies
- Reduced Pressure Zone Assemblies
- Relief Valves
- Residential
- Residential; Commercial; Institutional
- Series Duo-Cloz Manual Washing Machine Shutoff Valves
- Service Sinks; Swimming Pools; Photo Developing Tanks; Laundry Tubs; Wash Racks; Dairy Barns; Marinas and General Outside Gardening Uses
- Tub and Shower Hand Spray Sets
- Water Service Residential and Commercial
Valve Type
- Ball Valve with Strainer
- Double Check
- Double Outside Stem and Yoke
- Dual Check
- Dual Check Less Gates
- Dual Check Less Shut-Off
- Dual Check with Intermediate Atmospheric Vent
- Less Gates
- Less Shut-Off
- Quarter Turn
- Quarter Turn Dual Check
- Quarter Turn Stainless Steel Check Module
- Quarter Turn with Strainer
- Triple Check
- With Non-Rising Stem Valve
- With Outside Stem and Yoke Resilient Shut-Off
Committed to customer satisfaction
as experts in Watts
Recently Viewed
Popular Products
View all →
N5B-0750-S | GAS REGULATOR 3/4" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5B-0750-S
NGR02-BBA | Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
NGR02-CCA | Gas Regulator | 1" | 3/8" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-CCA
BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-D-BBX
N5D-1500-S | GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5D-1500-S
ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
SKU: ZPS-ACC04-1
B214 | Characterized Control Valve (CCV) | 1/2" | 2-way | Belimo
Brand: Belimo
SKU: B214
EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free | Everflow
Brand: Everflow
SKU: EPRC1501-NL