Ideal Standard S8239NU Markwik Thermal Disinfection Bypass Hose

Genuine Ideal Standard / Armitage Shanks Markwik thermal disinfection kit (S8239NU).

This item is a temporary bypass hose used for the thermal disinfection of healthcare thermostatic mixer taps. It allows hot water to be fed through both hot and cold internal pathways of the mixer to effectively sterilise the unit.

 Key Features

• Original Ideal Standard / Armitage Shanks part

• Model: S8239NU

• Designed for Markwik thermostatic mixers

• Used for thermal disinfection / sterilisation

• Simple temporary installation – no tools required

• Essential for healthcare maintenance and Legionella control

How It Works

The bypass hose connects between the hot and cold service inlets of the mixer.
When hot water is introduced, it is forced through the cold inlet, internal mixing chamber, and out through the spout, disinfecting the entire internal system.

Applications

• Hospitals

• Clinics

• Care homes

• Healthcare facilities

What’s Included

• 1 x Bypass hose (as shown)

Note: This listing is for the hose only. No additional fittings or mixer tap included.

Condition

• [Choose: New / Used – in good working condition]

• May show minor signs of storage/handling if not brand new

Important Notes

• This is a temporary maintenance tool, not a permanent installation

• Ensure correct connection to compatible Markwik mixers

• Care should be taken when using hot water during disinfection