Cistern

Concealed in-wall toilet cisterns and exposed close-coupled cisterns for Indian residential and commercial bathrooms — T21's cistern collection covers the two primary cistern configurations used in modern Indian bathroom installations. Concealed cisterns are installed within a false wall or in-wall frame, with only the flush plate visible on the wall surface — the correct specification for wall-hung WC installations and premium bathroom designs where exposed plumbing is not desired. Exposed close-coupled cisterns mount directly on top of the WC pan and are visible — the standard specification for floor-mounted WC units in renovation projects and standard residential bathrooms. BIS standard inlet and outlet fittings. GST invoice available. Shipped from Bengaluru.

What is the difference between a concealed cistern and a close-coupled cistern? A concealed cistern is installed inside a false wall or in-wall frame — only the flush actuator plate is visible on the finished wall surface. It is used with wall-hung WC pans and delivers a completely clean, hardware-free bathroom aesthetic. A close-coupled cistern sits on top of the WC pan and is fully visible — simpler to install and maintain, suited to floor-mounted WC units and standard renovation projects.

Can a concealed cistern be accessed for maintenance after wall installation? Yes. Concealed cisterns are installed with an access panel or flush plate that can be removed to reach the cistern internals for maintenance, valve replacement, or float adjustment. The flush actuator plate is the primary service access point and is designed to be removed without tools in most installations.