28mm Concealed Shower Mixer with Hand Shower

28mm concealed shower mixer with hand shower – Treemme – concealed stainless steel single-lever shower mixer with hand shower on the connection bracket: two round rosettes, one with the control and the other with the bracket and hose.

The 28mm collection, designed by Giampiero Castagnoli and Marco Pisati, is made from 28 mm stainless steel tubes joined at a right angle: a horizontally cut pipe with a bevelled end and a vertical cylinder that doubles as the control. It is made entirely from AISI 316L stainless steel, satin-finished or in PVD colours.

What you receive: the external parts (rosettes, control, hand shower with hose and bracket), in the model and finish of your choice; the concealed body only if you choose the complete set.

External parts or complete set?

This product is wall-mounted and has two parts:

• external parts – the visible parts: handle, plate or rosettes, pipe, in the finish of your choice;
• concealed body (code RWIT 51A5 ZZ 01) – the part that is built into the wall by the plumber. It is not visible and is the same for all finishes.

The product cannot be installed without the concealed body. From the Set menu, choose:

• External parts only – if you already have a Treemme concealed body installed in the wall (for example, if you are replacing a mixer or the plumber has already installed it);
• Complete set with concealed body – for a new installation: you will receive everything you need.

Finishes

Satin stainless steel or one of the three PVD colours: gun metal, bronze and gold. PVD finishes are applied in a vacuum and are highly resistant to scratches and limescale.

Technical specifications

• External parts code: RWIT 3BD4 .. 01 / G1
• Concealed body code: RWIT 51A5 ZZ 01
• Flow rate: 8 l/min
• Installation: wall-mounted
• Collection: 28mm – designed by Giampiero Castagnoli and Marco Pisati
• Material: AISI 316L stainless steel, satin-finished or with a PVD finish
• Manufacturer: Treemme Rubinetterie, Asciano (Siena) – Made in Italy

Complete dimensions are shown in the technical drawing in the image gallery.

Frequently asked questions

What does the “with pin” version mean?

The 28mm control is a rotating cylinder. The standard version has a smooth cylinder; the version with a pin has a small side pin to make it easier to operate. Both are shown in the photographs.

Why stainless steel?

AISI 316L stainless steel is the same steel used in the food and shipbuilding industries: it does not rust, does not release metals into the water and is resistant to limescale and cleaning products. PVD finishes are applied in a vacuum and are highly resistant to scratches.

Do I need the concealed body?

Yes, it is mandatory for a new installation. Choose “Complete set with concealed body”. The “External parts only” version is only for those who already have a Treemme concealed body installed in the wall.

How is it installed?

Installation is carried out by a plumber. For concealed models, the body is built into the wall before the tiles are fitted, and the external parts are installed at the end.

How long does delivery take?

Delivery throughout Romania takes 0–6 weeks, depending on the finish. The prices shown include VAT.

For projects, technical sheets or help choosing a finish, the IdeaCasa team is at your disposal – free consultation.