98 plan 30 minutes 23 minutes latix 8040 cleaning latix 8040 latix 8040 membrane pump means highpressure pump dirt build filters clog membrane housing latix 8040 running latix 8040 follow costs latix 8040 feed water protected efficient proper pretreatment remember nonmaintenance 1 bar scale δp rises gentle detergent choked due flush valve stops backpressure closed accidentally feed pressure stops scale small dose removes chlorine rust change catch sand 5 µm cartridge extra plumbing mild acids fewer surprises resists scale bit hard early replacements day scale ro plant membranes life safety devices check tds antiscalant 35 mg carbon block standard 840 housing easy steps clean water saving safety valve opens simple steps pretreat check antiscalant dosage flow switch shuts choke reducing flow membranes replace carbon standard membranes making run fresh water sleep easy knowing pressure spikes suddenly surprise breakdowns switch salt rejection falls days end open