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Flush Tanks & Cisterns

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Frequently Asked Questions

What is the difference between a flush tank and a concealed cistern?

A flush tank is fixed on the wall where you can see it. A concealed cistern is built inside the wall behind a wall-hung commode, so only the flush button shows.

What size are Ruhe PVC flush tanks?

Atlantic and Pacific are both 8 litres.

Single flush or dual flush?

Dual flush has a small flush for liquids and a full flush for solids, so it uses less water. Atlantic and Pacific come in both.

Can I use a PVC flush tank with an Indian toilet?

Yes, Atlantic and Pacific fit Indian toilets as well as floor-mounted and wall-mounted western commodes.

Mechanical or pneumatic concealed cistern?

A mechanical cistern works the flush through rods and levers. A pneumatic cistern works it by air pressure, with no rods. Both have dual flush.

Half frame or full frame?

A full frame suits a standard full-height wall. A half frame is shorter, for a lower wall or flexible mounting. Both are mild steel.

What capacity is the concealed cistern?

7.5 litres, with dual flush. It refills in under a minute at 3 bar pressure.

Is the flush plate included?

Yes, the frame versions include the cistern, frame, flush plate and installation kit.

Can Ruhe install the cistern?

Yes, Home Installation can be added on the product page in serviceable cities.

Flushing Cisterns

Ruhe Flush Tanks and Cisterns

A flush tank, or cistern, stores the water that flushes a toilet. Ruhe makes two kinds. A PVC flush tank is fixed on the wall above the toilet, so you can see it. A concealed cistern is built inside the wall behind a wall-hung commode, so you see only the flush button.

Quick Guide

If you have…Choose
An Indian toilet, or a western commode with no tankA PVC flush tank: Atlantic or Pacific
A wall-hung commode, new bathroom or full renovationA concealed cistern with frame
A wall-hung commode and your own wall support already builtPneumatic concealed cistern, tank only

PVC Flush Tanks

Atlantic and Pacific are 8-litre PVC tanks in white, with a push button and an air-freshener holder. Both come in single flush and dual flush. Dual flush gives a small flush for liquids and a full flush for solids, which saves water.

ModelSingle flushDual flush

They fit Indian toilets and floor-mounted or wall-mounted western commodes. An L-bend drain pipe is included.

Concealed Cisterns for Wall-Hung Commodes

Ruhe concealed cisterns have a 7.5-litre HDPE tank, dual flush and a chrome-plated flush plate. They refill in under a minute at 3 bar pressure.

  • Mechanical: the button works the flush through rods and levers.
  • Pneumatic: the button works the flush by air pressure, with no rods.
  • Full frame: a mild-steel frame that carries the commode, for a standard full-height wall.
  • Half frame: a shorter mild-steel frame for a lower wall or flexible mounting.
TypeHalf frameFull frame
  • Warranty: 1 year on PVC flush tanks; up to 10 years on concealed cisterns. See the Warranty T&C.
  • Home Installation: can be added on the product page in serviceable cities.
  • Care: wipe with a soft cloth and mild soap. No acid, bleach or scrubbing pads.

Pair a concealed cistern with a wall-hung commode.