Question about Franke Replacement Cartridge For Frxs2 Filtration Unit

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Unit leaks after changing filter - Franke Replacement Cartridge For Frxs2 Filtration Unit

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I have one of these units, just replaced it last night. First off, determine where it's leaking. The filter cartridge is generally inside a cylindrical cup with a screw thread at the top. Leaks here would either be that the wall has a hole in it (replace the canister), the male threaded area has been damaged and is not round (replace the canister, the mating female thread is damaged or out of round (replace that part), or you're leaking through where the threads meet. (If the leak is not in this are, then the leak-fixing turns into generic plumbing - find out where the water if getting out. If it's hose, replace the segment, if it's a valve, replace the valve or valve seat.

Assuming it's the filter holder - check both thread faces for contaminants or grit. Some filters (like mine, fed with well water, come out covered in gack. If that gack- fine sand/silt from the water, gets in the threads, it can create a widening there on the thread that the screwing-in just spreads down the thread. In any case, clean both surfaces carefully with a clean, lint-free cloth.

After that, I've had great success wrapping a couple of circles of plumbers teflon tape onto the male thread of the filter holder. Get a roll of reasonably wide teflon plumbers tape and run it clockwise (looking down from above the cup) around the thread 2 or three times, keeping some tension on the tape, and then tension tearing the tape. Smooth it down, clockwise. Now mount the filter to the screw in point, and then carefully screw in the filter body. You wrap the tape this direction so that tightening the screw will tend to flow the outer end of the tape toward it's end, rather than back on itself. hand tighten, and then, when firm, tighten another quarter turn or so. The tape will do a great job of sealing the slightly larger gaps between the threads, and probably fixing the leak.

BTW, good pricing on the filters here: though back ordered at present, and here

Good Luck!

Posted on Nov 04, 2015


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