Kohler Mira Zest User Manual download pdf (Page 13)

15. A hose retaining ring is supplied to

prevent the handset from dropping

below the spillover level of the bath

or shower, which could lead to

contamination from back-siphonage.

The supplied hose retaining ring should meet the majority of user requirements

for shower installations with flexible outlet fittings. However, there will be

occasions when the hose retaining ring will not provide a suitable solution. In

these instances an outlet double checkvalve must be fitted. This will increase

the required supply pressure typically by 0.1 bar.

Double checkvalves, fitted in the inlet supply to the appliance, cause a pressure

build-up, which could exceed the maximum static inlet pressure for the

appliance.

16. Avoid layouts where the shower hose will be sharply kinked. This may reduce

the life of the hose.

25 mm minimum

Spillover Level

Hose Retaining Ring

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Kohler Mira Zest User Manual Page 13