Quick-Connect Fittings
John Guest
Regular price From $0.19 Unit priceUnit price /UnavailablePart #: PIC1812R
Save up to 21% with bulk pricingJohn Guest
Regular price From $2.43 Unit priceUnit price /UnavailablePart #: PI201208S-US
Save up to 13% with bulk pricing- Regular price From $8.33 Unit priceUnit price /Unavailable
Part #: PISV0416S
Save up to 4% with bulk pricing - Regular price From $2.26 Unit priceUnit price /Unavailable
Part #: PI011223S-X
Save up to 20% with bulk pricing John Guest
Regular price From $0.19 Unit priceUnit price /UnavailablePart #: PIC1808R
Save up to 36% with bulk pricingWatts AquaLock/SeaTech
Regular price From $7.91 Unit priceUnit price /UnavailablePart #: 1110-0815
Save up to 9% with bulk pricingJohn Guest
Regular price From $2.90 Unit priceUnit price /UnavailablePart #: PP0212W-US
Save up to 12% with bulk pricingWatts AquaLock/SeaTech
Regular price From $7.06 Unit priceUnit price /UnavailablePart #: 1117-1515
Save up to 10% with bulk pricingJohn Guest
Regular price From $2.38 Unit priceUnit price /UnavailablePart #: PP0208W-US
Save up to 13% with bulk pricingWatts AquaLock/SeaTech
Regular price From $9.83 Unit priceUnit price /UnavailablePart #: 1123-1515
Save up to 4% with bulk pricing- Regular price From $2.29 Unit priceUnit price /Unavailable
Part #: PP201208W-X
Save up to 17% with bulk pricing John Guest
Regular price From $1.78 Unit priceUnit price /UnavailablePart #: PI0408S
Save up to 12% with bulk pricing- Regular price From $3.27 Unit priceUnit price /Unavailable
Part #: PI011624S-US
Save up to 12% with bulk pricing - Regular price From $2.87 Unit priceUnit price /Unavailable
Part #: PP221212W
Save up to 20% with bulk pricing -

Get a Quote
Fast, Free, Custom
- Regular price From $5.82 Unit priceUnit price /Unavailable
Part #: MI4508F4SLF
Save up to 12% with bulk pricing John Guest
Regular price From $1.66 Unit priceUnit price /UnavailablePart #: PP0408W-X
Save up to 18% with bulk pricingJohn Guest
Regular price From $3.51 Unit priceUnit price /UnavailablePart #: PI011224S-US
Save up to 12% with bulk pricingWatts AquaLock/SeaTech
Regular price From $2.50 Unit priceUnit price /UnavailablePart #: 161-08
Save up to 5% with bulk pricingJohn Guest
Regular price From $3.87 Unit priceUnit price /UnavailablePart #: PI0216S
Save up to 12% with bulk pricingJohn Guest
Regular price From $2.41 Unit priceUnit price /UnavailablePart #: PI0412S-US
Save up to 12% with bulk pricingWatts AquaLock/SeaTech
Regular price From $6.84 Unit priceUnit price /UnavailablePart #: 2402-0815
Save up to 10% with bulk pricing- Regular price From $4.99 Unit priceUnit price /Unavailable
Part #: TC
Save up to 5% with bulk pricing John Guest
Regular price From $2.56 Unit priceUnit price /UnavailablePart #: PEM0315W
Save up to 20% with bulk pricingJohn Guest
Regular price From $3.20 Unit priceUnit price /UnavailablePart #: PI0212S-X
Save up to 17% with bulk pricing-

MOST ORDERS OVER $89
FREE SHIPPING
- Regular price From $4.33 Unit priceUnit price /Unavailable
Part #: PI451213S
Save up to 12% with bulk pricing John Guest
Regular price From $3.27 Unit priceUnit price /UnavailablePart #: PI201612S
Save up to 12% with bulk pricing- Regular price From $13.07 Unit priceUnit price /Unavailable
Part #: ICLT/2
Save up to 13% with bulk pricing
Want to learn more?
What Are Quick Connect Fittings?
Quick connect fittings (also known as push-to-connect fittings) use a collet and O-ring to grip the outside diameter of tubing and create secure, leak-free connections without tools or adhesives. These plastic tubing connectors are commonly used in beverage systems, reverse osmosis (RO) units, refrigerators, ice machines, and both air and water lines alike. Because they install with a simple push, quick connect fittings minimize setup time, simplify maintenance, and make system changes faster than traditional compression or threaded fittings.
Benefits of quick connect fittings:
- Fast, tool-free installation for quick system changes and repairs
- Reusable design that allows for repeated disconnection and reconnection
- Reliable, leak-free connections across a wide range of fluid handling fittings
Choosing the Right Quick Connect Fitting
Selecting the right quick connect fitting comes down to your tubing, operating environment, and application. Before purchasing, be sure to confirm compatibility with your system, including tubing outer diameter and the correct thread type. For the best performance, pair your fittings with compatible tubing for fluid systems.
Top factors to consider:
- Flow and pressure rating: Match your system’s required performance, particularly so for high-demand or industrial tubing connections.
- Tubing size: Verify the OD of your tubing to ensure a proper seal and prevent leaks.
- Thread compatibility: Choose fittings with NPT, BSP, UNF, or other thread types that match your equipment.
- Material selection: Consider acetal, polypropylene, or brass based on the temperature, fluid type, and environment.
- Temperature range: Confirm the fitting and O-ring material can withstand your hot or cold water system demands.
Top Quick Connect Couplings
John Guest
John Guest is known for consistently providing and developing quality products. All John Guest push-to-connect fittings are suited for plumbing, drinking water, central heating, and commercial systems. These durable fittings connect securely to copper, PEX, and CPVC pipes and may be reused.
NeoFit delivers dependable performance and durability while offering a more cost-effective option. Manufactured using NSF-certified materials, they’re ideal for polyethylene and nylon tubing, safeguarding fit across all sorts of setups.
Browse our selection of quick connect couplings to build safer, more efficient systems.
Related Fittings & Components
For complete system design, check out our other components that complement quick connect fittings for flow control, pressure regulation, and reliable performance:


