Bathroom Plumbing (154383)
- Steam Baths & Saunas (715)
- Tubular (5370)
- Bathroom Furniture (1805)
- Shower Drains (377)
- Bathtubs (5988)
- Showers (62645)
- Bathroom Accessories (11367)
- Toilets, Seats, Bidets, Urinals, Flush Valves (11967)
- Bathroom Faucets (36399)
- Baby Changing (0)
- Waste & Overflow Drains (1088)
- Bathroom Repair Parts (12609)
- Bathroom Sinks (4053)
Extreme Deals (60)
HVAC/R (19467)
- Air Distribution (3361)
- HVAC/R Installation Supplies (1470)
- Indoor Air Quality (1317)
- Refrigeration (432)
- Ventilation/TestEN (2635)
- Controls & Thermostats (529)
- HVAC/R Equipment (2716)
- HVAC/R Parts (7007)
Uncategorized (7)
L1 name test category (0)
- L2 test name category (0)
- L2 test name category (0)
- L2 test name category (0)
Test Level One Category EN (0)
Kitchen Plumbing (18747)
- Kitchen Accessories (2113)
- Kitchen Repair Parts (2078)
- Kitchen Sinks (4467)
- Kitchen Faucets (9853)
- Garbage Disposal (68)
- Garbage Disposal Parts & Accessories (168)
Plumbing Parts & Supplies (9125)
- Water Supply Connectors (693)
- Compounds & Lubricants (617)
- Pool & Spa Supplies (53)
- Stops & Risers (72)
  - Supply Risers (63)
- Rough-In Plumbing (6466)
- Drain & Waste System Cleaners (54)
- Dry Materials & Compounds (9)
- Gaskets, Packings & Seals (1160)
Water Heaters (8329)
- Commercial Storage Tanks (84)
- Commercial Water Heaters (1051)
- Residential Water Heaters (1009)
- Commercial Rack Systems (28)
- Residential Home Heating (31)
- Water Heater Parts & Accessories (6055)
- Residential Storage Tanks (71)
Pipe, Valves & Fittings (54382)
- Hangers, Strut & Fasteners (7502)
- Pipe & Tubing (2539)
- Pipe Fittings (29154)
- Pipeline Pigs & Cleaning Pigs (5)
- Valves (15110)
- Water Hammer Arrestors (27)
- Foam Pigs (45)
Pumps (11916)
- Hand Pumps (6)
- Gear Pumps (9)
- Grinder Pumps (1030)
- Window Wells (10)
- Water Well Pumps (1187)
  - Jet Pumps (61)
  - Submersible Pumps (949)
  - Submersible Motors (32)
  - Water Well Pump Accessories (124)
  - Water Well Pumps (14)
- Pumps Accessories (3154)
- Back-up Pumps (27)
- Vacuum Pumps (43)
- Water Well Parts & Accessories (67)
- Water Filtration & Treatment (1738)
  - Water Filters (234)
  - Water Treatment Parts & Accessories (773)
  - Filter Tools (19)
  - Filter Housings (74)
  - Water Softening (136)
  - Water Purifiers & Conditioners (124)
  - Water-Proof Membrane (6)
  - Filter Cartridges (351)
  - Other Products (20)
- Transfer Pumps (51)
- Dewatering Pumps (1)
- Diaphragm Pumps (2)
- Chemical Feed Pumps (9)
- Fountain Pumps (20)
- Sump & Sewage Pumps (2343)
  - Sump Pump Accessories (197)
  - Effluent/Sewage Pump Accessories (239)
  - Sump Pumps (244)
  - Effluent/Sewage Pumps (1663)
- Coolant Pumps (5)
- Drain Pumps (22)
- Pump Systems (16)
  - Laundry Tray Systems (16)
- Elevator Pumps (37)
- Hydrostatic Test Pumps (22)
- Drum Pumps (0)
- Potable Water Expansion Tanks (123)
- Magnetic Driven Pumps (83)
- Trash Pumps (1)
- Utility Pumps (23)
- Circulator Pumps (1770)
  - Booster Pumps (58)
  - Centrifugal Pumps (629)
  - Circulator Pumps (1075)
- Condensate Pumps (117)
Hydronics (10839)
- Burner Nozzles (344)
- Burners (86)
- In-Floor Heating (1)
- Baseboards (377)
- Boilers (3147)
- Gauges & Thermometers (1237)
  - Thermometers (151)
  - Gauges (1086)
- Hydronic Controls & Sensors (509)
- Hydronic Supplies (3197)
- Hydronic Valves (1869)
- Hydronic Heating Products (44)
- Oil Burner Control (28)
Fire Protection (1156)
- Chemicals (1)
- Fire Department Connections (48)
- Fire Hose & Accessories (90)
- Nozzles (21)
- Sprinkler Controls, Sensors, Alarms & Parts (105)
- Firestop Cast-In & Sleeve Devices (31)
- Accessories (52)
- Compressors (27)
- Extinguishers (17)
- Switches (53)
- Cabinets (22)
  - Accessories (22)
- Sprinkler Heads (689)
Fireplaces & Stoves (1276)
- Stoves (29)
- Fireplaces (226)
  - Controls, Logs and Accessories (65)
  - Fireplaces (161)
- Stove Accessories (49)
- Firebox & Hearth Components (0)
- Fireplace Surrounds, Mantles, Bases, Trim (60)
- Fireplace Accessories (777)
- Fireplace Vent Pipe & Fittings (121)
- Firepits (14)
Waterworks (11157)
- Ductile Iron Pipe (88)
- PEX Municipal Pipe (39)
- Poly Series 160 Service Line Tube (2)
- Repair Clamps & Couplings (785)
- AWWA Valves & Hydrants (2026)
  - Indicator Posts (6)
  - AWWA Valves (494)
    - Resilient Wedge Gate Valves (388)
    - Waterworks Tapping Valves (106)
  - Fire Hydrants (1526)
- Castings & Cast Iron Boxes, Frames & Covers (1897)
  - Inlet Frames, Covers & Accessories (123)
  - Manhole Frames, Covers & Accessories (743)
  - Paving Risers (50)
  - Service Boxes, Lids & Accessories (409)
  - Trench Adapters (5)
  - Valve Boxes, Lids & Accessories (567)
- Irrigation & Drainage (629)
  - Baffles & Skimmers (3)
  - Catch Basins (101)
  - Drains, Grates & Accessories (470)
  - Irrigation Boxes (3)
  - Irrigation Controls & Parts (9)
  - Irrigation Pipe (42)
  - Irrigation Sprinklers (1)
  - Irrigation Valves (0)
- Meters (670)
  - AMR (Automated Meter Reading) (14)
  - Water Meter Accessories (224)
  - Water Meter Box Parts (20)
  - Water Meter Boxes & Lids (28)
  - Water Meter Repair & Replacement Parts (48)
  - Water Meters (336)
- PVC Pressure Pipe (44)
  - DR18 Pipe (13)
  - DR25 Pipe (9)
  - DR26 Pipe (0)
  - PVC Pipe (20)
- Sewer & Drain Fittings (939)
  - Saddles (77)
  - Gasketed Sewer Fittings (454)
  - Ribbed Sewer Fittings (276)
  - Adapters (6)
  - Plastic Tees (119)
  - Clips (7)
- Sewer & Drain Pipe (428)
  - DR14 Gasketed Pipe (8)
  - DR18 Gasketed Pipe (39)
  - DR21 Gasketed Pipe (7)
  - DR25 Gasketed Pipe (4)
  - DR26 Gasketed Pipe (23)
  - DR28 Gasketed Pipe (27)
  - DR35 Gasketed Pipe (64)
  - DR41 Gasketed Pipe (2)
  - KorFlo (10)
  - Ultra Rib Pipe (210)
  - Sewer & Drain Pipe (34)
- Watermain Fittings (1017)
  - Cut in Sleeves (19)
  - Restrainers (217)
  - Cast Iron Fittings & Flanges (90)
  - Compression Fittings (45)
  - Ductile Fittings (280)
  - Gland Rings, Gaskets & Bolts (257)
  - PVC Press Ftgs (80)
  - Brass Fittings (18)
    - Adapters (18)
  - Aluminum Fittings (4)
    - Couplings (4)
  - Steel Fittings (7)
    - Elbows (7)
- Waterworks Specialty Products (1)
  - Pipe & Valve Identification Products (0)
  - Thaw Wire (0)
- AWWA Service Brass & Saddles (1854)
  - AWWA Service Brass (984)
  - AWWA Service Saddles (870)
- Geosynthetics & Stormwater Management (300)
  - Erosion Control (30)
    - Erosion Control Materials (29)
    - Grade Stakes (1)
  - Geosynthetics (180)
  - Stormwater Products (90)
- Cut in Sleeves (5)
- Ductile Fittings (19)
  - Ductile Iron Reducers (3)
  - Ductile Iron Tees (12)
  - Ductile Iron Caps (1)
  - Ductile Iron Elbows (3)
- Cast Iron Fittings & Flanges (14)
  - Cast Iron Elbows (4)
  - Cast Iron Adapters (8)
  - Cast Iron Crosses (2)
- Plastic Fittings (335)
  - Plastic Flanges (1)
  - Plastic Couplings (77)
  - Plastic Reducers (6)
  - Plastic Adapters (62)
  - Plastic Bushings (9)
  - Plastic Tees (115)
  - Plastic Elbows (64)
  - Plastic Bends (1)
- Pipe & Tubing (29)
  - Plastic Pipe (29)
- Gland Rings, Gaskets & Bolts (36)
  - Seal (35)
Tools (26369)
- Generators (32)
  - Generator Parts & Accessories (19)
  - Generators (13)
- Confined Space Equipment (9)
  - Smoke Blowers (8)
- Flashlights, Lanterns & Worklights (106)
- Manifolds (2)
- Power Tools & Accessories (13273)
- Waterworks Tools (36)
- Material Handling (204)
- Cords, Connectors & Cables (181)
- Printers (3)
- Ladders & Scaffolds (40)
- Heated Gear (358)
- Pipe/Tubing Tools (7281)
- Welding, Soldering & Torch Equipment (508)
- HVAC Tools (202)
- Workbenches (2)
- Hand Tools (3787)
- Radios (9)
- Tool Storage (202)
- Locating Tools & Accessories (134)
Safety & Security (2238)
- Workwear (388)
- Locks (13)
- First Aid (77)
- Batteries (74)
- Fire Safety (216)
- Signage, Markers & Barriers (393)
- Chemical & Gas Storage (8)
- Ventilation & Gas Detection (66)
- Respiratory Safety (36)
- Welding Safety (2)
- Hand Protection (564)
  - Glove Accessories (9)
  - Gloves (555)
- Hearing Protection (19)
  - Ear Muffs (2)
  - Ear Plugs (17)
- Spill Control & Containment (9)
- Back Support (0)
- Eye & Face Protection (112)
- Fall Safety (70)
- Footwear (12)
  - Shoe Cover (11)
- Head Protection (139)
  - Hard Hats & Accessories (139)
- Protective Apparel (40)
Electrical (38165)
- Connectors (129)
- Wallplates (16)
- Wire Terminals & Connectors (158)
- Disconnects (9)
- Electrical Conduit Pipe (27)
- Relays (185)
- Fuses (73)
- Power Supply (35)
- Circuit Breakers & Meters (95)
- Smart Home (108)
  - Smart Devices (82)
  - Smart Accessories (26)
- Grounding & Bonding (17)
- Electrical Conduit Fittings (98)
  - Adapters (29)
  - Reducers (0)
  - Couplings (11)
  - Plugs (8)
  - Bodies (1)
  - Sweeps (2)
  - Tees (4)
  - Elbows (15)
  - Bushings & Washers (13)
  - Caps (1)
  - Clips (13)
  - Nipples (1)
- Surge Protectors (7)
- Wire & Cable (415)
- Electrical Outlet Boxes (79)
- Lighting & Lighting Fixtures (35255)
  - Bath Lightings (4179)
  - Bulbs (468)
  - Sconces (8398)
  - Chandeliers (4089)
  - Pendants (7051)
  - Other Products (11067)
- Tracer Boxes (1)
- Wire Fittings (1)
- Contactors (145)
- Wire Management (66)
  - Wire/Cable Clamps (16)
  - Other Products (50)
- Doorbells (18)
- Photo Cells (0)
- Timers & Switches (486)
- Lamps & Accessories (429)
- Test Leads (39)
- Transformers (97)
- Box Covers & Plates (125)
- Plugs & Receptacles (42)
- Whips (9)
- Raceways (1)
Adhesives, Sealants & Paints (1308)
- HVAC Tapes (63)
- Lubricants (84)
- Adhesive Compounds (72)
- Spray Paint (67)
- Sealants (307)
- Abrasives (15)
- Mastics (9)
- Solvents & Removers (47)
- Brushes, Rollers & Paint Accessories (69)
- Surface Repair (8)
- Markers & Crayons (81)
- Caulk & Caulk Guns (52)
- Tapes (179)
- Compounds & Lubricants (38)
- Primers & Paints (78)
- Brushes (139)
Janitorial (486)
- Paper Toilet Covers (0)
- Cleaning Equipment & Supplies (231)
- Cleaning Chemicals (168)
- Trash Can (41)
- Paper Products (21)
- Floor Cleaning (8)
  - Floor Cleaners (5)
  - Floor Pads (2)
- Bulk Cut Plastic Blocks (0)
- Office Supplies (17)
Septic (133)
- Septic Tank Inspection Plugs (1)
- Septic Pipe & Fittings (1)
- Septic Tanks (39)
  - Two Compartment Septic Tanks (12)
  - Single Compartment Septic Tanks (27)
- Distribution Boxes (6)
- Septic Tanks Parts & Accessories (60)
- Septic Chambers (22)
- Septic Vent Caps (4)
Water Fountains & Coolers (538)
- Wash Fountains (1)
- Drinking Fountains (255)
- Bubblers (21)
- Water Coolers (131)
- Chillers (28)
- Water Fountains & Coolers Accessories (102)

N++ LFN36M1 LLC 3/4" VACUUM RELIEF VLV

Watts 0556031 Lead Free 3/4 in. MNPT x NPT Brass Vacuum Relief Valve, Male NPT, Protective Cap

Manufacturer: Watts

$0.00

Qty:

This 3/4 in. lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment. It consists of a lead free brass body construction with NPT male inlet connection, and a protective cap. Maximum working pressure is 200 psi.

Products specifications

products.specs.attributename	products.specs.attributevalue
Product Type	Relief Valves
End Connection	MNPT x NPT
End Connection 1	MNPT
End Connection 2	NPT
Fitting Size 1	3/4 in.
Fitting Sizes	3/4 in.
Lead Law Compliant	Yes
Material	Brass
Maximum Temperature	250
Pressure - Maximum	200 psi
Size	3/4 in.
Valve Type	Vacuum Relief Valve
Valve Body Material	Lead Free Brass