For large mixing volumes

Three sizes 200, 300 and 500 litres

Complete for delivery

TTM INDI - Indicator equipment

TTM Indi is a device that indicates that the safety valve released liquid. In a well-functioning system the safety valve should not release liquid. If it does, the it is an indication that the system needs to be reviewed and faults are corrected.


In many cases the safety valve outlet is drawn directly to floor drain and there is no indication that the safety valve has released fluid. When it is then found that there is no fluid in the system, it is not uncommon to suspect that the system is leaking and to search for a for leaks.


If the safety valve is leaking fluid, it is often due to expansion problems, such as an expansion tank that is too small, has the wrong pre-pressure or has a rubber valve that has failed. This is something that needs to be addressed. Repeatedly replacing the liquid that has been released means continuously adding gaseous water, which can be devastating to the system.

Installation and operation

  1. The indicator screen is mounted in a visible position on a wall near the
    safety valve.
  2. The outlet pipe of the safety valve is routed so that it
    into the indicator screen below the top of the vessel.
  3. Drain pipes are drawn from the indicator vessel’s wide drain
    to the nearest floor drain.
  4. If the safety valve discharges water, the level in the vessel and the red-marked indicator comes up out of the lid.
  5. The vessel is emptied by opening the ball valve.
  6. The liquid then flows out through the pipe to the floor well.
  7. Investigate the cause of the safety valve release and take appropriate action.
ModelVolume (L)Ø x H mmPre-charge pressure Max.Weight (kg)Art no:
TTM Offset 51050375 x 725PN 10 / 2.5 bar12506430
Simonsland in Borås

When Kanico created a new district in the town of Borås, they chose TTM to supply shunt units for the HVAC systems. The area is called Simonsland and contains 60,000 m2 of buildings.

The opera house in Copenhagen

TTM Energiprodukter was one of the suppliers in the construction of the prestigious Copenhagen Opera House Together with their reseller, the company succeeded in winning the deal and delivering 98 different shunt units.

New office in Solna

NCC are building their new head office at Järva Krog in Solna. The new head office has a strategic and easily accessible position adjacent to the E4 motorway.