Skip to content

Free shipping on most orders over $89!

Brands Contact Us

Country/Region

United States (USD $)

Search

Product type

All
Accessories
Air Filters

Need Help?

Call (864) 284-1801

Track Order Cart

Cart Log in Login

Menu

Systems
Replacement Filters & Cartridges
Components
Application
Water Problems
Blog
About Us
Contact Us
Clearance

Need Help?

Call (864) 284-1801

Home
Shut-Off Valves

Shut-Off Valves

Filters

Sort by:

Featured
Most relevant
Best selling

Compare

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Availability

In stock (157)
Out of stock (20)

Clear

Type

Shut-Off Valves (168)

Clear

Brand

Basics (4)
Blue Mountain (2)
CCK Automations (2)
DMFit (6)
Flowmatic (2)
G.A. Murdock (9)
Hydronamic Engineering (3)
Hydronix Water Technology (1)
John Guest (39)
Linktech (1)
neoFit (43)
neoPure (5)
Parker (6)
T&S Brass (6)
Watts (1)
Watts AquaLock/SeaTech (38)

Clear

Fitting Connection Size

3/4" GHT x 1/2" NPS (1)
1/2" NPT x 3/4" GHT (1)
1/4" NPTF x 3/8" Tube OD (1)
1/4" Tube OD x 1/4" NPTF (3)
1/4" Tube OD x 1/4" Tube OD (2)
1/4" Tube OD x 1/2" NPS (1)
1/4" Tube OD x 5/8" Stem OD (1)
1/4" Tube OD x 15mm Stem OD (1)
3/8" Tube OD x 1/4" NPTF (1)
3/8" Tube OD x 3/8" Tube OD (4)
3/8" Tube OD x 3/8" NPTF (3)
3/8" Tube OD x 3/8" Barb ID (1)
3/8" Tube OD x 1/2" NPS (1)
3/8" Tube OD x 3/4" NPTF (1)
1/2" Tube OD x 3/8" NPTF (1)
1/2" Tube OD x 1/2" NPS (2)
1/2" Tube OD x 1/2" Tube OD (2)
1/2" Tube OD x 3/4" NPTF (1)
5/8" Tube OD x 1/4" Tube OD (1)
5/8" Tube OD x 3/8" Tube OD (2)
5/8" Tube OD x 1/2" Tube OD (2)
5/8" Tube OD x 5/8" Tube OD (5)
5/8" Tube OD x 5/8" Stem OD (1)
5/8" Tube OD x 3/4" GHT (1)
7/8" Tube OD x 7/8" Tube OD (3)
8mm Tube OD x 8mm Tube OD (1)
15mm Tube OD x 1/2" BSPP (1)
15mm Tube OD x 3/4" BSPP (1)
15mm Tube OD x 15mm Tube OD (7)
22mm Tube OD x 22mm Tube OD (1)
1-1/8" Tube OD x 1-1/8" Stem OD x 5/8" Tube OD (1)
1-1/8" Tube OD x 1-1/8" Tube OD (1)
1-1/8" Tube OD x 1-1/8" Tube OD x 5/8" Tube OD (1)
1-1/8" Tube OD x 5/8" Tube OD (1)
1-1/8" Tube OD x 5/8" Tube OD x 1-1/8" Stem OD (1)
1-1/8" Tube OD x 7/8" Stem OD (1)
1/2" NPS x 1/2" NPTF x 1/2" Tube OD (1)
1/2" Tube OD x 1/2" Tube OD x 1/2" Tube OD (1)
1/4" Tube OD x 1/4" Tube OD x 1/4" Tube OD (1)
15mm Tube OD x 15mm Tube OD x 1/4" Tube OD (1)
5/8" Tube OD x 1-1/8" Stem OD x 1-1/8" Tube OD (1)
5/8" Tube OD x 5/8" Tube OD x 1/4" Tube OD (1)
5/8" Tube OD x 5/8" Tube OD x 5/8" Tube OD (1)

Clear

Push-In Size

1/2" CTS (1)
1/4" OD (26)
3/8" OD (33)
1/2" OD (10)
5/8" OD (14)
7/8" OD (3)
1-1/8" OD (7)
6mm OD (1)
8mm OD (1)
10mm OD (1)
12mm OD (1)
15mm OD (12)
22mm OD (1)
4mm (5/32") OD (1)
8mm (5/16") OD (2)

Clear

Stem Size

3/8" OD (1)
5/8" OD (2)
7/8" OD (1)
1-1/8" OD (3)
15mm OD (1)

Clear

Barb Size

3/8" (1)

Clear

Seal / O-Ring Material

Buna-N (Nitrile) (9)
EPDM (88)

Clear

Outer Diameter

0.5 in (1)

Clear

Valve Type

Angle Stop Valve (23)
Single Check Valve (2)
Stop Valve (5)
Valved (2)

Clear

Application

Central Heating (1)
CPVC (2)
Food & Beverage (20)
Medical Equipment (1)
Plumbing (11)
Reverse Osmosis (1)
Water (48)
Water Supply (23)

Clear

Color / Finish

Black (30)
Brass (2)
Chrome (2)
Chrome Plated Brass (4)
Gray (9)
Natural White (8)
White (86)
White/Black (1)

Clear

Shape

90 (12)
Elbow (1)
Manifold (2)
Straight (42)
Tee (10)

Clear

Series

35 Series (31)
Acetal (2)
APT (1)
BSC (1)
ESOT (1)
HSV (2)
ISV (1)
Kit (2)
LIQUIFit (5)
Metric (5)
NC (1)
PEI (2)
PI (10)
PISV (3)
PPSV (11)
ProLock (2)
PTSV (1)

Clear

Sort by:

Featured
Most relevant
Best selling

Compare

John Guest
John Guest Angle Stop Valve - 3/8 x 3/8 x 3/8

Regular price From $16.99

Part #: NC2555

Save up to 17% with bulk pricing
Compare

John Guest
John Guest Angle Stop Adapter Valve Lead-Free - 1/2 x 3/8 x 1/4

5.0

Regular price From $19.68

Part #: ASVPP5LF

Save up to 7% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Stop valve - 22mm

4.0

Regular price From $20.00

Backordered

Part #: 2939-2222

Save up to 5% with bulk pricing
Compare

John Guest
John Guest Straight Shut-Off Valve - 1/2 CTS

1.0

Regular price From $15.08

Part #: PSEISV20P

Save up to 7% with bulk pricing
Compare

neoFit
NeoFit - Acetal Natural White Ball Valves 3/8" tube

Regular price From $4.28

Low stock

Part #: AHVU66-W

Save up to 18% with bulk pricing
Compare

neoFit
NeoFit - Acetal Natural White Ball Valves 1/2" tube

5.0

Regular price From $5.92

Part #: AHVU88-W

Save up to 6% with bulk pricing
Compare

John Guest
John Guest Two-Way Ball Valve: 1/2 in, Acetal, Straight, Push x Push

Regular price From $13.82

Part #: PSEISV20EP

Save up to 1% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Stackable Reducing Valve - 15mm stem x 1/4 OD

5.0

Regular price From $31.25

Part #: 2443-0415

Save up to 5% with bulk pricing
Compare

neoFit
NeoFit - Acetal Black Ball Valves 12mm tube

Regular price From $7.48

Part #: AHVU1212M-E

Save up to 7% with bulk pricing
Compare

G.A. Murdock
Shut-Off Valve-PVC Elbow Male NPT - 3/8 Push-in x 3/4 Male NPT

Regular price From $9.89

Part #: I1410625

Save up to 5% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Stackable Dual Stem Body - 1 CTS x 1/2 CTS

Regular price From $78.75

Very low stock

Part #: 3584-1810

Save up to 5% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - 3 Way By-Pass Valve Type 41 - 1/2 CTS x 1/2 CTS x 1/2 CTS

5.0

Regular price From $21.01

Part #: 3541-10

Save up to 4% with bulk pricing
Compare

John Guest
John Guest Plastic Angle Stop Adapter Valve Lead-Free - 3/8 x 1/2 x 1/4

5.0

Regular price From $14.99

Part #: PASVPP5

Save up to 4% with bulk pricing
Compare

neoFit
NeoFit - Acetal Black Ball Valves 3/8" tube

Regular price From $4.33

Backordered

Part #: AHVU66-E:70PK

Save up to 29% with bulk pricing
Compare

John Guest
John Guest NC2390 John Guest Straight Shut-Off Valve - 1/2 CTS

5.0

Regular price From $9.21

Part #: NC2390

Save up to 8% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - Tee Valve Type 50 - 1/2 CTS x 1/2 CTS x 1/4 OD Branch

5.0

Regular price From $13.35

Low stock

Part #: 3550-1004

Save up to 10% with bulk pricing
Compare

Parker
Parker LIQUIfit Angle Stop Adapter Valve - 3/8" x 3/8" x 1/4"

5.0

Regular price From $7.65

Part #: LFPP4VAS6

Save up to 5% with bulk pricing
Compare

neoFit
NeoFit - Acetal Black Ball Valves 1/4" tube

Regular price From $4.05

Part #: AHVU44-E

Save up to 5% with bulk pricing
Compare

John Guest
John Guest Shut-Off Valve Polypro Female NPTF - 3/8 Tube x 3/8 NPTF Female

5.0

Regular price From $8.03

Part #: PPSV451223W

Save up to 7% with bulk pricing
Compare

Basics
Angle Stop Loop Adapter 3/8 x 3/8 x 3/8

5.0

Regular price $6.29

Low stock

Part #: ASLA-06
Compare

John Guest
John Guest Straight Shut-Off Valve - 3/4 CTS

5.0

Regular price From $18.94

Part #: PSEISV28P

Save up to 7% with bulk pricing
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - In-Line Valve Type 39 - 3/8 CTS

5.0

Regular price From $14.68

Part #: 3539-08

Save up to 10% with bulk pricing
Compare

John Guest
John Guest Washing Machine Tap - 15mm x 3/4 BSP

Regular price From $6.20

Part #: 15APT

Save up to 7% with bulk pricing
Compare

Basics
Shut-Off Valve Kit - 3/4 Female NPTF x 3/8 Push-in

Regular price $13.92

Part #: BVK-PVC80075-06
Compare

John Guest
John Guest Acetal Angle Stop Valve w/Check Valve - 15mm x 15mm x 1/4"

5.0

Regular price From $21.70

Very low stock

Part #: ASV3

Save up to 2% with bulk pricing
Compare

John Guest
John Guest Plastic Angle Stop Adapter Valve Lead-Free - 3/8 x 3/8 x 3/8

5.0

Regular price From $9.58

Part #: PASVPP2

Save up to 4% with bulk pricing
Compare

neoFit
NeoFit - Acetal Black Ball Valves 1/2" tube

Regular price From $5.92

Part #: AHVU88-E

Save up to 6% with bulk pricing

Showing 54 of 168

Want to learn more?

Your cart

Your cart is empty

Subtotal:$0.00 USD

Loading...

M - F 8:00am to 7:00pm EST

Call: (864) 284-1801

Toll Free: (877) 930-7295

2299 Ridge Road Greenville, SC 29607

3195 W Professional Circle Suite 200 - Salt Lake City, UT 84104

Facebook
YouTube
Instagram
LinkedIn

Shop

Water Filtration & Treatment Systems
Pumps & Motors
Fittings & Valves
Filter Housings & Components
Filters & Media
Tubing & Hoses
Food & Beverage Filtration Systems
Clearance
Parts & Accessories
Under-Sink & Countertop Water Filters
Brands
View All Categories

Help

Track My Order
Get a Quote
Shipping
Bulk Pricing
Returns
Contact Us

Info

About Us
neo™ Brand
Cleanroom Facility
Blog
Careers
Local Pickup
Industries
Certifications & Quality Standards

Payment methods accepted

Country/Region

United States (USD $)

© 2026 Fresh Water Systems - All Rights Reserved

Terms and Conditions
Privacy Policy
Accessibility

Compare /3

Loading...

Loading...

Choose options

Item added to your cart.

View cart