Accessories needed for whole house water filter

Joined
13 Feb 2025
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For a whole house water filter what accessories do I need? Incoming cold water mains is 22mm. My guess is; with 1 of each being before and 1 of each being after: 2 x pressure reducing valve (max water pressure set at 2 bar), 2 x check valves, 2 x full bore isolation valves and 2 x drain valves. Also one bypass line
 
Depends what filter it is really, go with the manufacturer's instructions.
 

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