Close-up of a discontinued Lelit MC747 In Tank Water Softener / Particle Filter (35L) with a small nozzle on top, positioned at an angle against a plain white background. © 2025 1st-line.com
A close-up of a white plastic container with a circular cap and nozzle, designed for the Lelit MC747Plus In Tank Water Softener / Particle Filter (70 L), set against a blurred, light-colored background. © 2025 1st-line.com
A close-up of a hand pressing the circular white cap on the Lelit MC747Plus In Tank Water Softener / Particle Filter (70 L) container. © 2025 1st-line.com
A close-up of a person’s hand opening or closing the cap on a Lelit MC747Plus In Tank Water Softener / Particle Filter (70 L) white plastic container. © 2025 1st-line.com

DISCONTINUED Lelit MC747 In Tank Water Softener / Particle Filter (35 L)

2 reviews

$0.00

This product has been discontinued at 1st-line Equipment.
Please visit one of the links below for more comparable products.

Please see SKU MC747PLUS.

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The Lelit In Tank Water Softener needs to be recharged once every 35 liters or less water passing through or minimum once per month. Fits most Lelit espresso machines and other brand espresso machines.

This water softener helps remove limescale causing agents and minerals, such as calcium and magnesium, from the water. This softener does NOT filter the water for chlorine, other mineral particulates, etc just as most water filters do not soften the water.

Please remove this softener when descaling to avoid damage. In most cases, the Lelit water softener needs  should be replaced once a year minimum. Replaces PLA930S.

Please note that water softeners are not returnable under our return policy.

Brand

Lelit
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    This is the water softener that comes with the Lelit Elizabeth. I recently purchased a elizabeth and it has been fantastic. The elizabeth seems to however have a tighter inlet hose and causes the inlet hose to split a little bit when attaching this filter. Mine has split and had to be trimmed 1/4' of an inch. I have talked to others in the home espresso aficionados group and 4 other users of the Lelit Elizabeth have spoken up with the same issue of the filter harming the inlet hose. Do you know of any adapters to fix this or any solutions? I was thinking of the BILT Cloth limescale reducer in the small size if it fits in the lelit reservoir could be a solution.
  1. 1 vote
    Q This is the water softener that comes with the Lelit Elizabeth. I recently purchased a elizabeth ...... Read more answer now
    Asked on March 2, 2022 2:00 pm
    A

    Sorry for the delay. This is the response from Lelit:

    "Yes, that hose is tight and needs to be so, otherwise the pump vibrations may cause the disconnection of the filter.

    As for the other case, cutting a small piece and continue using the LELIT filter is the right solution. We do not recommend other filters because we did not test them and have no lab report to confirm values during use and in time."

    At 1st-line, we start the filter angling into the hose. Otherwise, we have cut a V shape at the end of the hose.
    2. Is there an alternative to this filter that will work with a MaraX? This one has been out of stock for quite a while and my filter needs replacement soon.
  2. 0 votes
    Q Is there an alternative to this filter that will work with a MaraX? This one has been out of stoc...... Read more answer now
    Asked on February 24, 2022 2:06 am
    A

    Sorry, supply chain issues have caused delays. We hope to have them in soon, but we do not have a definitive time line. please continue to recharge weekly.
    3. Will this water softener fit inside the old Lelit PL041?
  3. 0 votes
    Q Will this water softener fit inside the old Lelit PL041? answer now
    Asked on November 29, 2021 4:22 pm
    A

    Sorry, we are not 100% sure as water tanks have changed. On the side of caution, we do not think these will. Please note these filters are not returnable since they can not be resold due to health reasons.
    4. Will this filter fit a MaraT? I have a reservoir/tank with a small round fill hole. The pick-up tube and the nipple on the filter seem to be the same size. If so, what size hose should I get to make an adapter?
  4. 0 votes
    Q Will this filter fit a MaraT? I have a reservoir/tank with a small round fill hole. The pick-up t...... Read more answer now
    Asked on May 15, 2021 12:31 pm
    A Yes, it should fit as the Lelit water softeners are made to fit all of their machines. please keep in mind when inserting or removing, the water softeners need to be placed on an angle.
    5. My tap water is quite soft out of the tap, TDS 31, Ca 23mg/L (CaCO3 eq). Do I need to presoften my water for my PL41TEM Anna with water already this soft?
  5. 0 votes
    Q My tap water is quite soft out of the tap, TDS 31, Ca 23mg/L (CaCO3 eq). Do I need to presoften m...... Read more answer now
    Asked on April 30, 2021 2:01 am
    A

    It never hurts to over-soften.
    6. Hello I have a ROYAL espresso machine, Model is Reale. Currently my machine has a mini water softener that looks similar to the MC747. Do you know if this MC747 or the Ascaso will work better for this Royal machine? Thank you.
  6. 0 votes
    Q Hello I have a ROYAL espresso machine, Model is Reale. Currently my machine has a mini water soft...... Read more answer now
    Asked on November 24, 2020 6:01 pm
    A

    Sorry, we are unable to answer as we do not sell Royal espresso machines at this time, and would not know about the size of the hose or the opening of the water tank. We also do not know which will work better as we are not familiar with their water softening cartridges.
    7. Can i use this for Lelit anna pl41em? Should it be fit perfectly?
  7. 0 votes
    Q Can i use this for Lelit anna pl41em? Should it be fit perfectly? answer now
    Asked on September 6, 2020 10:54 am
    A Actually, it is a very tight fit, but it slides in.
    8. Is this the SKU# PLA930S per the MaraX part catalog (https://www.1st-line.com/buy/lelit-mara-pl62x-hx-espresso-machine/)?
  8. 0 votes
    Q Is this the SKU# PLA930S per the MaraX part catalog (https://www.1st-line.com/buy/lelit-mara-pl62...... Read more answer now
    Asked on August 31, 2020 10:34 am
    A

    Yes, this water softener will work as we sell them individually. PLA930S is just a kit of 2 of them.
    9. If my water's TDS is 120 and the CaCo3 is 87 or so will this be sufficient for my water to not cause scale? Or should I simply move to distilled water with TWW packets?
  9. 0 votes
    Q If my water's TDS is 120 and the CaCo3 is 87 or so will this be sufficient for my water to not ca...... Read more answer now
    Asked on August 7, 2020 3:33 pm
    A

    Better to use the water softener and recharge MINIMUM 2 times per month at this level.
    10. Is this compatible with the Lelit PL41QE Anna? It looks too big to fit into the water tank.
  10. 0 votes
    Q Is this compatible with the Lelit PL41QE Anna? It looks too big to fit into the water tank. answer now
    Asked on July 21, 2020 10:49 pm
    A It is the smaller of the two Lelit filters. It is the same filter that came with my Victoria and this replacement fits it perfectly. So I think it should.
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