Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank
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Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish TankBrass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank

Brass Reducing Pipe Fitting Male to Female Threaded Connector — 1/2" to 2" for Water Tank, Pool & Fish Tank

HomeDIYer
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By HomeDIYer®

Price:
$5.17 USD
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In stock (500 units), ready to be shipped

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Description

 

Brass Male to Female Reducing Pipe Fitting — Reliable Connections for Water Tanks, Pools & More

When a mismatched pipe size turns a simple plumbing job into a frustrating leak-prone mess, the right reducing fitting makes all the difference. Whether you're a homeowner setting up a backyard fish pond, a DIYer retrofitting a water storage tank, or a contractor connecting pool plumbing lines, these brass male-to-female threaded reducing connectors give you a solid, leak-resistant joint without adapters stacked on adapters.

Each fitting is machined from solid brass and features a tapered male NPT thread on one end and a female NPT thread on the other, allowing you to step down pipe sizes in a single connection. Available in six size combinations ranging from 1/2" Male × 3/8" Female up to 2" Male × 1-1/2" Female — sold individually (1 PCS per order) so you can buy exactly what your project needs.

These brass reducing fittings are well-suited for water tank outlet connections, fish tank sump plumbing, pool and spa supply lines, garden irrigation manifolds, and general household pipe repair. Their compact hex-body design makes them easy to wrench into tight spaces where standard couplings won't fit.

🔗 Compatibility Note: These fittings are designed for standard NPT (National Pipe Taper) threaded connections — the most common thread standard in US plumbing. If your system uses BSP or metric threads, please contact us to confirm fit before ordering.

✅ Key Features of These Brass Male to Female Reducing Fittings

  • 🔩Tapered NPT Thread Design — Male-to-female taper thread creates a self-sealing joint when used with PTFE tape, reducing the risk of leaks in water tank outlet and pool plumbing applications.
  • 🪙Solid Brass Construction — Machined brass offers natural corrosion resistance and durability in wet, humid, and outdoor environments — a reliable choice for fish tank fittings and irrigation systems.
  • 📐Six Size Options in One Listing — Covers the most common reducing combinations from 1/2" down to 3/8" through 2" down to 1-1/2", so you can match your exact pipe size without ordering multiple products.
  • 🔧Hex-Body for Easy Wrenching — The flat hex profile allows a standard pipe wrench or adjustable wrench to get a firm grip, making installation straightforward even in confined spaces.
  • 💧Suitable for Water & Low-Pressure Fluid Lines — Designed for water supply, tank drainage, and gravity-fed or low-pressure plumbing systems — including pool fill lines and garden water storage tanks.
  • 📦Sold Individually — No Overpaying for Bulk — Order exactly the quantity and size you need. Ideal for single repairs, custom builds, or adding one connection to an existing plumbing run.

📐 Technical Specifications — Brass Reducing Pipe Fittings

Product Type Male-to-Female Reducing Threaded Pipe Fitting
Material Brass
Thread Standard NPT (National Pipe Taper) — confirm if BSP needed
Available Sizes 1/2" M × 3/8" F  |  3/4" M × 1/2" F  |  1" M × 3/4" F  |  1-1/4" M × 1" F  |  1-1/2" M × 1-1/4" F  |  2" M × 1-1/2" F
Body Style Hex body (wrench-friendly)
Finish Natural brass (uncoated)
Typical Working Pressure See variant options — generally up to 200 PSI for water at ambient temperature
Recommended Sealant PTFE (Teflon) tape on male threads
Quantity per Order 1 PCS
Typical Applications Water tanks, fish tanks, pool plumbing, irrigation, general pipe repair
Country of Origin Contact us to confirm
⚠️ Before You Order: Verify your existing pipe thread type (NPT vs. BSP) and measure the outer diameter of the male thread to confirm the correct size. Thread gauges are available at most hardware stores.

❓ Frequently Asked Questions

How do I choose the right size reducing fitting?

Match the Male (larger) end to your existing pipe or tank outlet thread, and the Female (smaller) end to the pipe or hose you're connecting to. For example, if your tank outlet is 3/4" NPT and your supply line is 1/2" NPT, select the 3/4" Male × 1/2" Female option. When in doubt, measure the outer diameter of the male thread and compare to a standard NPT sizing chart — a 3/4" NPT male thread measures approximately 1.05" (≈26.7mm) across the threads.

What thread standard do these fittings use?

These fittings are generally designed to NPT (National Pipe Taper) thread standards, which are the most common in US residential and commercial plumbing. NPT threads are tapered and create a seal through thread interference when combined with PTFE tape. If you are working with BSP (British Standard Pipe) or metric threads, please contact us to confirm compatibility before ordering.

Are these fittings suitable for outdoor or pool use?

Brass is naturally corrosion-resistant and performs well in outdoor and wet environments. These fittings are typically suitable for pool plumbing, garden irrigation, and outdoor water tank connections. For highly chlorinated or saltwater applications, verify compatibility with your specific system chemistry, as prolonged exposure to aggressive chemicals may affect brass over time.

What is the pressure rating for these brass fittings?

Brass threaded fittings of this type generally support working pressures up to 200 PSI for water applications at room temperature. Actual ratings depend on installation quality, thread engagement, and the specific size selected. Contact us to confirm if your application requires a certified pressure rating.

Do I need thread sealant (Teflon tape) when installing?

Yes — for NPT tapered threads, applying 2–3 wraps of PTFE (Teflon) tape to the male threads before assembly is strongly recommended to ensure a leak-free seal. Wrap in the direction of the thread (clockwise when looking at the end of the male fitting). Do not overtighten — hand-tight plus 1–2 turns with a wrench is typically sufficient for a secure joint.

Can these fittings be used for fish tanks and aquariums?

Brass fittings are commonly used in freshwater fish tank plumbing and sump systems. However, brass can leach trace amounts of zinc or copper over time in prolonged contact with aquarium water. For sensitive aquatic environments or reef tanks, consider using a food-safe thread sealant and consult with an aquarium specialist before installation to ensure the safety of your livestock.

What tools do I need to install these fittings?

Installation typically requires an adjustable wrench or pipe wrench, PTFE tape, and optionally pipe joint compound for added security. No special tools are needed. Ensure the mating threads are clean and free of debris or old sealant before assembly for the best seal.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

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