Smurf
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@shazzy692002 If it was me I would check the following first before forking out replacing the membrane again.
Regarding tap pressure the system should be fitted with a psi gauge
1. Check ro tap valve on ro so waste/production is set correctly. (see manual)
2. Disconnect hose to inlet side of di tube and check flow rate (measure it) also take ppm reading coming out of ro using a hand held tds meter if need be as should be fitted with an inline one but they are not that accurate
3. Check for kinked hoses, hozelock connection are on properly especially if are stop type. Also blockages as blocked filters can reduced water flow before it gets to the ro. One way to check is by bypassing all ionic pre filter tubes altogether - micron filter etc and borrow or buy a 20 inch 5 micron filter with housing also a 20 inch carbon filter & housing. Set them up before the ro and see if production flow rate improves.
4. Di tube bypass test - temp replace with a di tank to check that it's not affecting the flow rate somehow. By the way many do away with ionic no refillable di tubes and replace it with a refillable di tank instead.
Regarding tap pressure the system should be fitted with a psi gauge
1. Check ro tap valve on ro so waste/production is set correctly. (see manual)
2. Disconnect hose to inlet side of di tube and check flow rate (measure it) also take ppm reading coming out of ro using a hand held tds meter if need be as should be fitted with an inline one but they are not that accurate
3. Check for kinked hoses, hozelock connection are on properly especially if are stop type. Also blockages as blocked filters can reduced water flow before it gets to the ro. One way to check is by bypassing all ionic pre filter tubes altogether - micron filter etc and borrow or buy a 20 inch 5 micron filter with housing also a 20 inch carbon filter & housing. Set them up before the ro and see if production flow rate improves.
4. Di tube bypass test - temp replace with a di tank to check that it's not affecting the flow rate somehow. By the way many do away with ionic no refillable di tubes and replace it with a refillable di tank instead.
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