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Pool construction parts: skimmers, main drains, wall conduits and outlet sets

The built-in components of a pool are the parts that are set into the wall or floor and stay there for the life of the structure. Water leaves the pool through a skimmer and a main drain, travels to the filtration plant, and returns through inlets and outlet sets. Every one of those passages needs a fitting that seals against the shell, whether that shell is concrete, a liner, a panel kit or a one-piece polyester tank. Here you will find those fittings, along with the gaskets, flanges, extensions and screw sets that hold them in place.

A termékcsalád tartalma

The parts grouped here are the ones specified during a build or a full renovation, and the ones replaced when a fitting cracks, leaks at the flange or simply no longer matches the rest of the pool.

• Szűrők – ABS bodies with 1 1/2″ x 2″ female threads, including the Weltico A400, A500 and A600 Design types in white, grey, anthracite and sand.
• Main drains – floor outlets such as the Flotide EM2832V with 1 1/2″ female thread and the dismountable EM2837 with 2″ female thread.
• Wall conduits – passages through the wall in ABS and PVC-U, for example a 50 mm glue socket to 2″ female thread conduit, and a Hayward 2″ x 2″ x 50 mm version prepared for a mini-LED lamp.
• Outlet and inlet sets – complete assemblies such as the AstralPool Volcano outlet set in 63 mm, supplied with flanges, gaskets, plugs and screws.
• Extensions and accessories – ABS height extensions, flange sets, seals and fixing screws used to adapt a fitting to the wall build-up.

Choosing a skimmer

A skimmer is chosen first by type, because the body shape and the mouth opening have to suit the pool construction and the surround. The Weltico Design range is offered as A400, A500 and A600 types, each in the same four lid colours, so a replacement can be matched to an existing surround or a whole set can be specified in one finish. Sand and grey tend to suit stone copings, white matches a classic liner pool, and anthracite is usually paired with darker modern surrounds.

The connection side matters just as much as the front. A 1 1/2″ x 2″ female thread body lets you make up the suction line with a threaded adaptor in either size, so the same skimmer can serve a 50 mm or a 63 mm pipe run depending on the fitting screwed into it. Before ordering, check the depth available behind the wall, whether the pool is lined or rendered, and whether a sealing flange and gasket set is needed for a liner installation.

Main drains, conduits and outlet sets

A main drain sits at the lowest point and draws water from the floor, which keeps the whole body of water moving rather than only the surface. Models are distinguished by their thread size, 1 1/2″ or 2″, and by whether the grille and body can be taken apart afterwards. A dismountable type is useful where the cover may need to be lifted for cleaning or inspection without disturbing the set-in body.

Wall conduits are the sleeves that carry pipework or a lamp cable through the structure. Those with a 50 mm glue socket on one side and a threaded connection on the other let you switch between solvent-welded pipe and screwed fittings at the wall. Conduits made for a mini-LED projector are dimensioned around that lamp, so the lamp family should be decided before the conduit is cast in. Outlet sets such as the 63 mm Volcano are supplied as a kit with flanges, gaskets, plugs and screws, which avoids hunting for individual seals on site.

Measuring and identifying before you order

• Csőméret – measure the outside diameter of the pipe: 50 mm and 63 mm are the usual metric sizes here, and 50 mm pipe commonly pairs with a 2″ thread.
• Schroefdraadtype – note whether the existing fitting has a female or male thread, and in which size.
• Body dimensions – for a direct swap, compare overall length and flange footprint with the old part, since a different type may not cover the existing opening.
• Építés – liner, concrete or panel pools need different sealing arrangements, so decide whether a flange and gasket set is required.
• Finish – match the lid colour across all visible fittings if the pool surround is already finished.

Pool construction at PoolParthub.com

Stocked here are built-in components from AstralPool, Weltico, Hayward and Flotide, together with unbranded extensions and sealing parts that work alongside them. The selection concentrates on the sizes and threads used most often in European pool building, so a skimmer, a main drain and a wall conduit can be sourced for the same project without mixing standards.

Because these parts are set permanently into the structure, the range is kept around recognisable series and clearly stated connection sizes, which makes it easier to identify a replacement years after the pool was built. If a part number is cast into the old component, search on that first; if not, match the thread size, the pipe diameter and the colour.