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Home > Rigel Care > Frequently Asked Questions (FAQ)
 
FREQUENTLY ASKED QUESTIONS (FAQ)
 
Q:
What is the PUB WELS rating for the WC sensor flush valve ?  

A:

There is no requirement for pressurize WC flush valve. However, urinal flush valve is subjected to this WELS rating.

 
     
Q:
Is there PUB WELS rating for conceal shower mixer?  

A:

No.

 
     
Q:
What is the difference between manual override and manual by-pass ?  

A:

Manual override feature only applicable to urinal sensor flush valve whereby the user is able to press a button to reset the urinal sensor. However, it has been taken note that the manual override will not function in the event of power failure.

Manual by-pass feature applicable to WC sensor flush valve whereby the user must be able to activate the flush by pressing a mechanical button in the event of power failure.

 
     
Q:
What is the delay timing of a sensor basin tap?  

A:

The default setting is delay of 10sec for basin tap with 3 ticks of WELS rating.

 
     
Q:
Why there is a difference between WC & urinal sensor flush valve?  

A:

Based on PUB regulation, for the WC sensor flush valve, the WC will start flushing upon the user leave the sensing area of 5 sec; for the urinal sensor flush valve, the sensor start flushing immediately upon the user move away from the sensing area.