Utility Connections” section of this manual formounting instructions.Three Holder B-pure Unit (Two DICartridges and one Filter Cartridge)A common configuration built from B-pure com-ponents is the three holder unit. This unit allowsthe use of two water treatment cartridges and afinal filter at the outlet. This will require one dualB-pure and a 1/2 size B-pure filter holder(D5839). Disassemble the units as follows:1. Position the dual holder on the left andthe 1/2 size filter holder to its right.2. Remove all the canisters.3. Remove the drawoff valve assemblyfrom the dual holder by driving up thefastener pins.4. Remove the end fitting on the inlet andoutlet of the 1/2 size filter holder.Reassemble the units as follows:1. Install the head interconnector into theoutlet port of the dual holder. Be sure o-ring is in place. Install and seat fastenerpins.2. Connect the 1/2 size filter holder headinto the dual holder head so that theinterconnector from the Dual Holder is inthe inlet port of the 1/2 size filter holder.Be sure o-ring is in place. Install andseat fastener pins.3. Install drawoff valve assembly, includingmeter, into the 1/2 size filter holder out-let port. Be sure the o-ring is in place.Install and seat fastener pins.20MAINTENANCE AND SERVICING