Order John Guest Fittings Online From Installation Parts Supply
Here’s a surprising detail: nearly 30% of professional installers report saving an hour per job after switching to push-fit connectors that cut tool time and leak callbacks.
Installation Parts Supply gathers those time savings into a single, easy-to-use catalog. Shoppers can view full details and compare original price versus current price for common parts like John Guest fittings distributors, tees, and check valves. The catalog highlights quick easy push-fit fittings designed for potable water and plumbing system builds.
The site lists typical prices up front — for example, union connectors from about $1.66 and check valves from about $9.05 — so teams can view availability and bulk discounts fast. Each product page shows full details original specs, thread information, and recommended tubing OD so plastic, brass, or stainless transitions stay compatible.
- Compare original price and current price at a glance to speed purchasing decisions.
- Locate push-fit choices for potable water and plumbing systems with clear full details on every page.
- Typical stock includes 1/4″ and 3/8″ unions, tees, valves, and release tools.
- Bulk savings commonly range from about 4% to 21% depending on the item.
- Installation Parts Supply backs it all with strong U.S. stocking and quick order processing.
Shop John Guest Fittings By Category For Quick, Reliable Connections
Browsing by part type speeds selection and reduces costly mismatches on the jobsite. Parts are grouped so buyers can view union connector, union elbow, union tee, and threaded adapter options in one quick scan.

Union Connectors, Union Elbows, & Union Tees
You’ll see common sizes and materials laid out with clear pricing bands. A 1/4″ union connector typically starts near $1.66, and union elbows or tees usually fall between about $3.85 and $4.70. Customers can compare price in seconds and review full product specs.
Reducing Unions And Tees To Bridge Mixed Tube Sizes
Reducing union choices like 3/8 x 1/4″ let installers adapt lines without adapters. Reducing tee options are shown with dimensions so branch lines fit common RO and beverage tubing.
Elbow Connectors, Stem Fittings, And Plug-In Elbows
Elbow connector and plug-in elbow parts make changing direction in a run straightforward. Stem reducers and stem fittings help keep runs compact around panel mounts.
Threaded Adapters In Male And Female NPT/BSP Styles
Threaded adapter choices cover thread sizes from 1/8″ through 3/8″. Buyers can pick male or female NPT and BSPP styles to match manifolds and accessories.
“Clear listings make it easy to pick the right part and cut down on time-consuming returns.”
| Part Type | Size | Typical Price |
|---|---|---|
| Union Connector | 1/4″ | $1.66–$2.70 |
| Union elbow | 1/4″ / 3/8″ | $4.05 / $4.50 |
| Reducing union | 3/8 × 1/4″ | $2.29–$3.60 |
| Threaded Adapter (BSPP) | 3/8 × 3/8 | $4.33 |
Why Choose Push-Fit Fittings From John Guest
For installers who need speed and reliability, push-to-connect solutions change how lines get built. These connectors blend simple assembly with proven sealing technology, cutting the time spent on each joint.
Tool-Free, Quick Easy Installs With A Secure Lock
Speedfit and ProLock deliver quick easy assembly that often cuts install time by up to 40%. Their design grips tubing and pipe with low insertion force and a reliable locking action.
Crews can disconnect fittings without damage, lowering waste and rework. Reusability lets teams trim the number of SKUs they keep for standard potable projects.
Twist-And-Lock And Superseal Technologies To Reduce Leaks
Twist-and-lock options improve retention where vibration or movement is an issue. With Superseal, double O-ring seals further cut down on leak risk.
ProLock is suitable for hot water and cold water in sizes from 3/8″ to 1″ and handles higher pressure well. Speedfit and ProLock should not be used for gas, fuel oil, or compressed air.
| Product Line | Best use | Key Feature | Typical Size |
|---|---|---|---|
| Speedfit | Fast potable runs | Push-to-connect seal for plastic/copper | 1/4″–3/4″ |
| ProLock | Hot water plus higher-pressure lines | Robust lock, high-temp resilience | 3/8″–1″ |
| Twist-and-Lock / Superseal | Lines prone to vibration | Double O-ring + twist retention | Wide range of OD sizes |
These technologies are highlighted by Installation Parts Supply so shoppers can view specs and compare price without delay.
Shop Valves And Flow Control Parts To Complete Your System
Installation Parts Supply maintains a selection of core flow-control parts for potable water and beverage lines, helping teams finish jobs without additional supply runs. Shoppers can view quick specs and compare price before they add items to a cart.
Inline Shut-Off Valves And Tank Valves
Inline shut-off valves make it easy to isolate sections for maintenance or routine service. Popular polypro shut-off valves start around $5.11 for 3/8″ and $5.71 for 1/4″.
Inline valve pricing usually falls around $6.00–$7.00 for 1/4″–3/8″ quick-connect sizes. Tank valves simplify tank hookups with quick-connect ports that keep plumbing steps fast and neat.
Check Valves That Provide Non-Return Protection
Add a check valve to prevent backflow into RO systems, coolers, and dispensers. A 3/8″ check valve with a 0.3 psi crack pressure is listed near $9.05.
- Choose john guest inline shut-off valves to isolate sections; price points usually run about $5–$7.
- Check full details original on each listing to confirm materials, part numbers, and pressure ratings.
- Ordering in bulk helps keep per-connection costs down for repeat projects and spare inventory.
| Part | Typical Price | Note |
|---|---|---|
| Polypro shut-off (3/8″) | $5.11 | Quick-connect |
| Tank valve | $7.00 | Simple tank hookup |
| Check valve (3/8″, 0.3 psi) | $9.05 | Non-return protection |
Shoppers can quickly view current price and availability, check details original price comparisons, and select valve john guest components that suit their system needs.
Popular Sizes In Stock: 1/4, 3/8, And 1/2 Tube
In most projects, three main tube sizes dominate: 1/4″, 3/8″, and 1/2″, each tailored to specific flow demands. Installation Parts Supply keeps these ready to ship for fast project turnaround.
Ideal Applications For 1/4 Inch Tubing And Fittings
1/4″ tube is ideal for RO outputs, refrigerator feeds, and beverage lines. They save space and fit tight panels.
Union connectors in this size typically start around $1.66–$2.70, with inline valves usually in the $6–$7 range.
3/8 Inch Tube Advantages In Potable Systems
For longer runs or where extra flow and reduced pressure drop matter, 3/8 tube is a strong choice. A typical 3/8″ union connector lists at about $3.60.
Reducing unions like 3/8 x 1/4 ($2.29–$3.60) make transitions simple and future-proof lines.
Stepping Up To 1/2 Inch For Higher Flow
1/2″ tubing supports higher flow branches and short mains without excess restriction. You’ll often see a 1/2″ male connector NPTF priced close to $3.27.
- Shoppers can see current price next to original price to spot bulk discounts.
- Tees, elbows, and valves at each of the three core sizes appear throughout the catalog.
- Shoppers can view full details original on pressure, temp, and materials for each part number.
| Tube Size | Example Part | Typical price |
|---|---|---|
| 1/4″ | Union Connector | $1.66–$2.70 |
| 3/8″ | Union Connector | $3.60 |
| 1/2″ | Male Connector NPTF | $3.27 |
Choosing Materials And Finishes For Your Application
Selecting the correct material for each joint maintains water quality and keeps service calls down. Installation Parts Supply guides buyers in matching body materials to water quality, operating temperature, and local code.
Polypropylene And Acetal Options For Potable Water
With good chemical resistance and sound performance at cold to moderate temperatures, polypropylene is a practical choice. This plastic is cost-effective, lighter in weight, and still keeps seals dependable.
Acetal is common in quick-connects for its smooth collet action and long wear life. It simplifies assembly and disassembly during routine service.
Using Brass And Stainless Steel Components As Needed
Brass and stainless provide extra mechanical strength for exposed threaded transitions and high-stress points. These materials also help meet specific code demands and corrosion concerns.
| Material Type | Best use | Note |
|---|---|---|
| Polypropylene | Potable runs | Lightweight and chemically resistant |
| Acetal | Quick-connects | Durable collet action |
| Brass / Stainless | Threaded transitions and exposed joints | Higher mechanical strength |
For each SKU, customers can view full details, check price and availability, and confirm pipe and tubing compatibility. Bulk discounts often range from ~4% to 20%+, encouraging crews to standardize material kits.
How These Fittings Fit Plumbing And Potable Water Work
From sink stub-outs to refrigerator feeds, quick-connect parts speed plumbing tasks and reduce downtime. For residential and light commercial potable water projects, Installation Parts Supply offers fast U.S. shipping and clear listings so crews can view price and availability before scheduling labor.
Domestic Cold And Hot Water Lines
Hot cold water branches and fixture stub-outs are well served by JG Speedfit and ProLock. These lines handle domestic supply loops, appliance feeds, and short mains with sizes that match common needs.
Sticking with 1/4″, 3/8″, and 1/2″ sizes lets teams select the right pipe or tube fast and reduces guessing on site.
RO Systems, Beverage, And Refrigerator Connections
For RO systems, 1/4″ tubing is typical from tank to faucet. Use 3/8″ for higher-flow dispensers or longer runs.
Beverage and fridge hookups benefit from compact connectors that snap in place, keeping cabinet installs neat and serviceable.
- Durable seal and collet designs minimize leak callbacks and reduce rework time.
- By viewing price and standardizing kits, teams can reuse the same SKUs across multiple installs.
- Catalog pages show OD ranges so pipe, tubes, and connectors match on the first try.
| Use Case | Common size | Benefit |
|---|---|---|
| Domestic supply branches | 1/2″, 3/8″ | Higher flow with fewer joints |
| RO feeds and refrigerator lines | 1/4″, 3/8″ | Compact routing and simple service |
| Beverage dispenser lines | 3/8″ | Stable flow on extended runs |
Heating And HVAC Uses With John Guest
Hydronic loops and lighter HVAC accessory lines often use quick-connect components to simplify routine service and seasonal changeovers.
You’ll find guidance from Installation Parts Supply on where these connectors belong in central and underfloor heating circuits. Pros can view ratings and confirm suitability for hot cold water systems ahead of ordering.
- Use in hydronic heating loops and HVAC water accessory lines for fast disassembly and maintenance.
- Twist-to-lock designs withstand thermal cycling and vibration commonly found in mechanical rooms.
- Compact connectors make re-routing pipes and tubing easier during purging or component swaps.
- Avoid use with gas, fuel oil, or compressed air; these are for water-based loops only.
- Clear price displays and bulk options help facilities maintain spare stock for peak-season repairs.
| Heating/HVAC Application | Common size | Note |
|---|---|---|
| Underfloor heating | 1/2″–1″ | Tool-free access simplifies purging |
| Hydronic loop branches | 3/8″–3/4″ | Quick, simple component replacement |
| HVAC accessory manifolds | 1/4″–3/8″ | Tees, elbows, and valves available |
Installation Parts Supply can help verify part specs and local code fit before purchase so systems run reliably after installation.
Tubing And Pipe Type Compatibility
A solid compatibility check up front saves time and avoids mismatched parts on site. Installation Parts Supply provides compatibility notes so crews can view which fittings pair with each pipe type before ordering.
Connecting To Copper, CPVC, And PEX
John Guest push-fit fittings hook up easily with copper, CPVC, and PEX. This streamlines mixed-material builds and remodels.
Speedfit products are compatible with these common potable piping materials. These fittings are not intended for gas, fuel oil, or compressed air service.
Using Tube Supports, Locks, And Clips On Hot Water Lines
On hot water runs, tube supports and locking clips help maintain tube alignment. They also reduce stress from thermal expansion and vibration.
Locking clips, often starting at about $0.19, are featured on product pages so installers can view price and include them in their kits.
- Choosing the correct lock and support boosts retention in high-temperature lines.
- Notes on the product pages explain when tube inserts or supports should be used for certain pipe types.
- By bundling clips, supports, and spare connectors, accessory packs reduce extra visits to the supply house.
| Accessory | Compatible pipe | Typical Price | Use Case |
|---|---|---|---|
| Locking clip | Copper, PEX, CPVC | $0.19 | Help prevent accidental disconnection |
| Tube support insert | PEX and CPVC | $0.45 | Maintain inner diameter when heated |
| Pipe adaptor | Copper to PEX | $1.75 | Mixed-material transition |
| Support clamp | All compatible pipes listed | $0.95 | Secure runs and limit movement |
Installation Parts Supply helps customers review compatibility and confirm parts so connections stay reliable on the first install.
Featured Connectors And Adapters You Can Add To Cart Now
By curating adapters and connectors, the catalog helps teams choose parts quickly instead of hunting through long lists. Best-selling items are listed by Installation Parts Supply so they’re ready to ship and simple to fit into typical jobs.
NPTF Male Connectors And Conversion Adapters
They carry male connector NPTF choices such as 3/8 × 3/8 (PI011223S-X) from $2.26 and 1/2 × 1/2 (PI011624S-US) from $3.27. These fittings help bridge threaded transitions quickly.
Conversion parts like a 15mm × 1/2 CTS union conversion connector are listed around $3.51. They are ideal for projects that mix metric and CTS systems.
Bulkhead Unions, Faucet, And Refrigerator Connectors
Bulkhead unions pass lines through panels cleanly — 1/4″ at $4.60 and 3/8″ at $5.90. Faucet and refrigerator connectors featuring 7/16″ UNS female threads typically cost around $3.65 for 1/4″ and $3.95 for 3/8″.
Customers can view original price and current price, check availability, and view full details for each part number before adding to cart.
| Part | Example Item | Typical price | Notes |
|---|---|---|---|
| Male connector NPTF | 3/8 × 3/8 NPTF | $2.26 | Threaded transitions |
| Union connector | 15mm × 1/2 CTS | $3.51 | Metric-to-CTS conversion |
| Bulkhead union | 3/8″ | $5.90 | Clean panel pass-through |
| Faucet / refrigerator connector | 1/4″ QC × 7/16″ UNS female | $3.65 | Appliance hookup connector |
- Quickly add a male connector for NPTF transitions to finish connections fast.
- Pair union connector styles for straight joins and use bulkhead unions for panels.
- View full details to confirm tube and pipe OD, thread form, and valve compatibility.
Create Reliable Water And Beverage Systems
With purpose-built quick-connect parts, design teams can assemble clean, serviceable beverage lines rapidly.
Installation Parts Supply lets users pick parts either by part number or by searching descriptions. Customers can view options matching existing tubing and confirm sanitary specs before ordering.
john guest components are trusted in beverage and pure water applications for their ease of use and low leak risk. When a specific model is out of stock, compatible brands like Mur-Lok may be suggested to keep a project on schedule.
- Reliable parts for beverage and filtration tasks that streamline maintenance.
- Specify items by part number for accuracy, or search descriptions to browse compatible choices.
- Quick easy assembly reduces system downtime during filter changes and upgrades.
- Straightforward price listings help planners build repeatable bills of materials.
- Consistent OD sizes make it easy to scale from single units to larger manifolds.
Branching, reducing, and cornering parts make system layouts neat and serviceable. Installation Parts Supply showcases core union tee, reducing union, and elbow connector options for common potable work.
Using Guest Union Tee And Union Connector To Branch Lines
A guest union tee splits a run cleanly without special tools. A 1/4″ union tee is listed near $3.85, while a 3/8″ version runs about $4.70. These fittings keep service access straightforward and maintain balanced flow.
A union connector joins two tubes inline, making reroutes or extensions quick. With typical 1/4″ union connectors ranging from $1.66–$2.70, they remain an economical choice for repeated builds.
John Guest Reducing Union To Transition 3/8 x 1/4
The john guest reducing union in 3/8 x 1/4 sizing adapts smaller device inlets to larger supply lines. Prices usually fall near $2.29–$3.60, allowing teams to compare price easily when quoting jobs.
Elbow connector choices keep tubing runs tidy around corners while reducing kinks and preserving pressure. Union elbows are listed at about $4.05 for 1/4″ and $4.50 for 3/8″.
| Component | Size/OD | Typical Price |
|---|---|---|
| Guest Union Tee | 1/4″ | $3.85 |
| Guest Union Tee | 3/8″ | $4.70 |
| Union Connector | 1/4″ | $1.66–$2.70 |
| Reducing Union | 3/8 × 1/4″ | $2.29–$3.60 |
| Union elbow | 1/4″ / 3/8″ | $4.05 / $4.50 |
- Use a guest union tee for clean branching that still allows easy service access.
- Compare price across sizes to match flow, budget, and tube john standards.
- View full and full details on dimensions and materials to confirm compatibility for tubing and potable water applications.
- Repeatable part numbers simplify stocking and technician training.
Price Highlights And Available Bulk Savings
Clear price highlights help buyers quickly identify value parts and lock in savings on repeat projects.
Top Value Picks: Union Connectors And Reducing Unions
These listings make it easy for shoppers to locate standout value on everyday components. A Polypro union connector in 1/4″ usually starts around $1.66, and a 3/8″ union connector sits near $3.60.
During promotions, the 3/8 × 1/4″ reducing union commonly dips to about price 2.29. These items are ideal for kit builds and bulk buys.
Valves, Check Valves, And Tools With Bulk Discounts
Inline valves usually fall in the $6–$7 range, and a 3/8″ check valve (0.3 psi) lists around $9.05.
Locking clips starting at $0.19 and a release tools set near $13.07 qualify for tiered discounts as order quantities grow.
- Scan the current price cards to quickly compare original price with current price.
- Depending on SKU, bulk pricing typically cuts the original price by about 4–21%.
- male connector and female adapters show better unit cost in larger orders.
- tube 3/8 and tube john guest bundles simplify kit pricing for fleets.
| Item | Typical Price | Bulk Note |
|---|---|---|
| 1/4″ Union Connector | $1.66 | Bulk price breaks at 25+ units |
| 3/8 × 1/4″ Reducing Union | $2.29–$3.60 | Promo price often near price 2.29 |
| Check Valve 3/8″ | $9.05 | Volume discounts offered |
Installation Parts Supply organizes pricing tiers to help procurement teams view full details and plan budgets with confidence.
View Full Details: Specs, Part Numbers, And Availability
With product pages providing specs, stock status, and exact part numbers, teams can order confidently without guessing.
Customers can view full details for each john guest item, including approvals, dimensions, and downloadable datasheets. This helps crews document bids and confirm compatibility before purchase.
Original Price vs. Current Price And In-Stock Status
Every SKU displays original price and current price side by side. Bulk tier notes highlight potential savings and assist planners in picking the best unit cost.
Labels noting “In stock” or showing ETA help curb scheduling risk and move approvals along faster.
Comparing Items With Filters For Size, Body Material, And Application
- You can compare union connector, male connector, and female adapter options side by side by thread type and tube OD.
- Filters include size, body material, color/finish, and application tags (Potable Water, Plumbing, Central Heating).
- Exporting part numbers into procurement systems helps teams cut down on ordering errors.
| Feature | Shown on page | Benefit |
|---|---|---|
| Full Details | Specs, approvals, datasheets | Supports accurate bids and installs |
| Price display | Original price and current price side by side | Fast cost comparisons |
| Availability Status | In-stock label or ETA | Better scheduling |
Installation Tips For Secure, Push-Fit Connections
Small prep steps make push-fit connections perform like pro-grade joints. A few consistent habits recommended by Installation Parts Supply can lower leaks and callbacks. By following simple habits, you keep assembly quick easy and reliable across every run.
Cutting Square, Seating Fully, And Using Locking Clips
Cut tube square and deburr the end so the O-ring seats evenly. A poor cut can nick seals and cause leaks.
Mark the insertion depth first, then push until the tube is fully seated. Check by pulling back gently, then add a lock clip at critical joints for extra retention.
When To Choose Twist-And-Lock Or Superseal
Use twist-and-lock fittings where vibration or movement is expected. It adds retention without slowing quick easy assembly.
Select Superseal for double O-ring protection near equipment or service-critical spots. Use tube supports on soft tubing and hot water lines to keep sealing pressure steady.
“Cut square, seat fully, and use clips—these steps save time and service calls.”
- Avoid side-loads and support long spans to reduce stress on pipe and fittings.
- Keep parts clean; debris compromises seals and raises leak risk.
- Reference full details and view rated temperature and pressure before use.
- Carry spare clips and release tools for quick field adjustments.
Why Purchase John Guest Fittings Through Installation Parts Supply
Buyers get a focused catalog built for speed. The store groups unions, tees, elbows, valves, clips, and tools so teams can find what they need quickly.
Big Selection With Fast U.S. Shipping And Friendly Support
Both everyday and specialty items are kept in deep stock by Installation Parts Supply. Many SKUs show “Save up to X% with bulk pricing.”
U.S. shipping and quick order handling help crews avoid job delays. Support staff help match parts to plumbing and water jobs and can point to Mur-Lok alternatives if a specific item is out of stock.
Quick-View Shopping And Easy Reorders By Part Number
Reordering using part numbers cuts errors and speeds procurement. With quick-view pages, buyers can see specs, availability, and full details while staying in the catalog view.
Filters make it simple to find a male connector, female adapter, or other essential pieces and to compare price before checkout.
| Key Benefit | Why it matters | Illustration |
|---|---|---|
| Deep Assortment | Less downtime and fewer substitutions | Unions, tees, valves, release tools |
| Bulk pricing | Lower unit cost for repeat orders | Save up to X% on common SKUs |
| Quick-View Pages | Fast decisions with specs and stock | View specs and current price on one screen |
| Expert support | Helps align parts with job needs and budgets | Alternatives suggested when needed |
Final Thoughts
Finish projects faster by choosing parts that match specs, stock, and price at a glance. Across unions, tees, reducing unions, valves, adapters, and bulkhead unions, Installation Parts Supply lists john guest and john guest fittings to make kit building easier.
Shoppers can see current price beside original price and view full details to confirm sizing and materials before checkout. The catalog highlights push-fit fittings plus accessories, making it simple to plan and order a complete system outfit.
Browse, compare, and order confidently today. With clear part numbers, bulk tiers, availability labels, and friendly support, teams can standardize kits, reduce errors, and keep projects on schedule.