10. July 2009
If the drain for your level-access shower, or any other drainage point, has little space for installation, the new TistoPrimus drainage point from Dallmer offers a quick and safe solution. It is ultra-flat and has a special trap insert that reliably blocks sewer gases with or without a water trap, which makes it ideal for infrequently used drainage points, such as guest bathrooms
As a flat complete drain, TistoPrimus is ideal for sanitary facilities that require barrier-free accessibility. The compact drain body has an installation height of just 69 mm and a side DN 40 outlet with ball joint. The DIN EN 1253-compliant drainage rate is 0.4 l/s. The drain assembly includes a Kerdi mat, an in-built fleece-lined flange with perforated edge for perfect integration in the screed and the bonded waterproofing and a
height-adjustable 120 x 120 mm insert with stainless steel grating. The K 12 version of TistoPrimus has a plastic frame and the TistoPrimus C 12 drain has a frame made of stainless steel.
The TistoPrimus floor drain is particularly practical for projects that present difficult operating conditions. If the drainage point is only used infrequently or is located in an area with frequent high ambient temperatures, such as rooms with underfloor heating, guest bathrooms/holiday homes or boiler rooms, the evaporation process will cause all "normal" traps to dry out. TistoPrimus offers the ideal solution to this common problem - sewer gases entering the room due to a dried-out floor drain. The removable Primus siphon insert integrated in the drain prevents sewer gases entering the room both with and without water.
The functionality of the drain is as simple as it is reliable: when the drainage point is in use, a hollow-chamber bell swims on the water in the trap and acts as a normal bell trap insert. If there is no water, the bell forms a mechanical trap insert - acting as a cover to the downpipe of the housing, which also effectively prevents spiders or other insects entering the water trap from the sewage system.
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