PVC union

Simplify the maintenance of your circuits with our pressure PVC union fittings!

In a complex water installation, being able to remove a pump, a valve or a section of pipework without cutting the pipes is a strategic advantage. The pressure PVC union fitting (also known as a three-piece fitting) is designed precisely to offer this flexibility. At Jardiboutique, we have selected sturdy unions, able to withstand high pressures (PN10/PN16), while allowing quick disconnection thanks to their movable nut. It is the key component for any part of your network requiring regular maintenance or winterising, such as filtration systems, irrigation pumps or the main junction points of your poultry yard.

Discover our union fittings, available in solvent-weld or threaded versions, fitted with high-quality O-rings for perfect, long-lasting watertightness. Made from high-density PVC resistant to UV and treatment products, they guarantee total reliability under constant pressure. With Jardiboutique, choose a professional, scalable installation that's easy to maintain, season after season.

Jardiboutique's technical advice: The watertightness of a union relies on its seal, not on how tightly the nut is done up. Maintenance tip: When assembling, apply a thin layer of silicone grease to the black O-ring; this will stop it drying out over time and make it easier to loosen the nut later. Tightening: Firm hand-tightening is usually enough to ensure a seal thanks to the compression joint. Avoid using force pliers, which could crack the plastic nut. Winter protection: Unions are ideal for removing your pumps and putting them somewhere frost-free during winter in just a few seconds.