Ireland's Plumbing and Heating Magazine Issue99

THERMOSTATIC MIXING VALVES

Mixcal Careflo Plus®

MARK MOGEY, HEAD OF OEM SALES UK AND ROI AT ALTECNIC, EXAMINES SOME OF THE LATEST SOLUTIONS TO THERMALLY DISINFECT THERMOSTATIC MIXING VALVES... Thermal disinfection right to the outlet I t is widely accepted that thermal disinfection is an effective way of killing harmful equation, nor can we risk letting harmful bacteria grow in a system. So, how do we get the best of both worlds? system purging, minimalizing both time and effort during arduous purging procedures.

bacteria - like legionella – in potable water systems. Whilst this works for a large proportion of a system, conventional purging methods often make it hard to thermally disinfect beyond the Thermostatic Mixing Valve – leaving a ‘dead leg’ between the TMV and the outlet.

HOW DOES A ‘NORMAL’ TMV WORK? Typically, TMVs keep water temperatures ‘safe’ by blending hot and cold water and maintaining it at a constant temperature regardless of varying supply conditions. They also include a ‘fail safe’ function, whereby should either the hot or cold supply fail, the valve

There are products out there that provide a solution to this issue. The recently launched Mixcal Careflo Plus®, for example, enables thermal disinfection to be carried out up to, and through the outlet, reducing bacteria growth risk such as legionella. Importantly, the one-step override function eliminates the need to remove the TMV during

As crucial anti-scald safety devices, we cannot simply remove the TMV from the

“The Mixcal Careflo Plus is ideal for healthcare applications.”

12 | PLUMBING & HEATING MAGAZINE

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