BWT BWTDWFK-TRIFLO, Manual

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8: Installing the Cartridge

Remove the cellophane shrink-wrap and hygiene cap from 

cartridge [13]. Before installing the filter cartridge, mark the 

installation date and the replacement date (no later than 6 

months) in the space provided on the filter’s label. Hold 

cartridge near the bottom when installing or changing the 

cartridge. Push the cartridge into the filter head [14] and 

the same time rotate anticlockwise when viewed from 

above. Installation can be simplified by turning the filter 

head in the filter bracket by 90°

where space permits.  

09: Bleeding the system

 - 

Please close all taps

.

Open the filter water tap [1] fully to allow for continuous 

flow, then slowly turn on the water supply allowing water to 

enter the filter slowly and displace trapped air and loose 

particles. 

(

Please check installation carefully for leaks.

)

Allow water to flow through the system  for around 5 
minutes or until water runs clear and bubble free 
(Minimum 5 litres).  Repeat flushing process whenever the 
filter is left unused for a prolonged period of time. Always 
flush drinking water filter system for 10 seconds before use.

Now ensure the hot and cold water taps are free from air by 
opening  each  slowly  and  closing  them  again  when  the 
water runs clear and bubble free

.

10: Setting the bypass

Your BWT filter head [14] is fitted with a 4 position bypass 
valve that can be used to allow filtered water to be mixed 
with  incoming water from the mains for specialist 

applications. 

For domestic drinking water applications the 

By-Passshould be set according to the table below

.

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11:  Replacing  the  filter  cartridge 

Turn  off  the water supply at the water supply valve before

starting work. Unscrew the filter cartridge [13] out of the 

filter head [14] in a clockwise motion dismantling can be

simplified by turning the filter head in the filter bracket by

up to 90° where space permits

 Install new filter cartridge [13] as described in Section 9.

Flush and bleed filter cartridge as outlined in Section 10.

 Dispose of the removed filter cartridge; observe the local 

disposal regulations.  

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Your BWT Filter can be changed 

without isolating the water supply 

however  turning off the water at 

the stop cock or other suitable 

isolation valve can help prevent 

unnecessary water spills. 

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