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When a mismatched pipe diameter brings your plumbing project to a halt, you need a reducer fitting that installs cleanly and holds under pressure. This PVC reducer connector adapter is designed for DIYers, plumbers, and contractors who need a dependable transition between two different pipe sizes in residential and light commercial water supply systems.
Each adapter is molded from rigid PVC (polyvinyl chloride), offering a smooth bore interior that minimizes flow restriction. Available in inner diameter combinations ranging from 110×50mm (approx. 4.3"×2") up to 200×160mm (approx. 7.9"×6.3"), these fittings cover the most common reducer pairings found in standard plumbing layouts. Colour options include White and Grey to match existing pipework.
Typical applications include connecting a 110mm main supply line down to a 50mm branch line in residential builds, adapting 160mm drainage headers to 90mm laterals in light commercial fit-outs, and replacing corroded or cracked reducer couplings in PVC water supply plumbing repair projects.
| Material | Rigid PVC (Polyvinyl Chloride) |
|---|---|
| Colour / Finish | White; Grey |
| Inner Diameter (ID × ID) | 110×50mm to 200×160mm (see variant options) |
| Connection Type | Solvent-weld socket (spigot × socket) |
| Application | Cold water supply, irrigation, drainage |
| Pressure Rating | See variant options |
| Wall Thickness | See variant options |
| Operating Temperature | Up to typically 60°C (140°F) for cold water supply |
| Quantity per Order | 1 Pcs |
Measure the inner diameter (ID) of both pipes you need to join — the larger pipe first, then the smaller. Match those two measurements to the ID×ID size listed in the variant options (e.g., 110×50mm means the larger socket accepts a 110mm ID pipe and the smaller socket accepts a 50mm ID pipe). If you are unsure, measure the outer diameter of your pipe and subtract the wall thickness twice to get the inner diameter.
Yes. Rigid PVC is UV-stable enough for short-term outdoor exposure and is widely used in buried water supply and irrigation systems. For long-term above-ground outdoor use in direct sunlight, wrapping the fitting with UV-protective tape or paint is recommended to extend service life.
PVC does not rust, corrode, or react with the minerals commonly found in municipal water supplies. It is also resistant to most dilute acids and alkalis encountered in standard plumbing environments, making it a long-lasting choice compared to metal reducer fittings.
Use a standard PVC solvent cement (also called PVC glue or CPVC cement for cold water lines) that is compatible with your local plumbing code. Clean and dry both the pipe end and the socket, apply primer if required by code, then apply solvent cement to both surfaces and push the pipe firmly into the socket with a slight twist. Allow the joint to cure per the cement manufacturer's instructions before pressurizing.
Both colours are made from the same rigid PVC material and carry identical performance characteristics. White is the most common colour for indoor water supply plumbing, while Grey is often used in conduit and drainage applications. Choose the colour that matches your existing pipework for a consistent appearance.
Standard rigid PVC is rated for cold water supply applications, typically up to around 60°C (140°F) at reduced pressure. It is not recommended for continuous hot water supply lines above that temperature. For hot water applications, consider CPVC fittings, which are rated for higher temperatures. Always verify the pressure and temperature rating against your local plumbing code before installation.
Each order includes 1 piece (1 Pcs) of the selected reducer connector adapter. If you need multiple fittings for a larger project, simply increase the quantity in your cart before checkout.
