suihku

Suihku is a bathroom fixture designed to deliver water for bathing. It typically consists of a showerhead or spray device connected to a water supply via a valve or mixer, and is installed on a wall or ceiling in a shower area or above a bathtub. The term comes from the Finnish verb suihkua, meaning to spray or gush.

Common configurations include fixed wall-mounted showerheads, handheld shower attachments, and overhead rain showers. Mixing valves regulate water temperature and flow, and can be manual or thermostatic to maintain a stable temperature and reduce scalding risk. Many installations use a shower enclosure or a shower tray to contain splashing and aid drainage.

Installation requires proper waterproofing of the surrounding area and a drain, plus secure plumbing connections. Building codes often require anti-scald devices, backflow prevention, and water-efficient fixtures where applicable.

Suihku maintenance focuses on keeping outlets clear of mineral buildup, inspecting seals for leaks, and replacing worn hoses or gaskets. Regular cleaning of aerators and spray nozzles helps maintain water pressure and spray quality.

The design of a suihku has implications for water use, comfort, and accessibility. In modern bathrooms, accessibility features may include grab bars, a handheld unit with a flexible hose, and seating support.