Toto spares, Toto parts, Toto spare parts, Spare code no : DH3102 - Cartridge, In import listings, D...

Toto spares, Toto parts, Toto spare parts, Spare code no : DH3102 - Cartridge,

• In import listings, DH3102 is explicitly mentioned as a “cartridge for lav faucets of GA, GR, GS, GO TOTO sanitaryware & fittings.”
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• On a Chinese e‑commerce listing, “TOTO 水龙头阀芯 … DH3102” is described as a faucet cartridge for lavatory / basin / kitchen / mixed (hot & cold) water taps.
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• The listing indicates a diameter of 25 mm for “DH3102” in that product listing.

So from those sources, the partial spec is:

• Type / use: Faucet / lavatory (mixed hot & cold) cartridge
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• Outer diameter: ~ 25 mm

However, that’s not sufficient for a guaranteed fit (you’ll also need length, internal bore / spindle / spline pattern, sealing features, etc.).

What’s missing / uncertain

• I could not find confirmation of the length, height, or internal geometry (number of splines, locking method, sealing ring positions).
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• Material composition (ceramic discs, brass body, etc.) is not confirmed in any source I found.
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• I couldn’t find a schematic or exploded view in TOTO’s published catalogs that shows “DH3102” in their spare parts breakdowns (at least in what was publicly accessible in my search).

What you should do to get full cartridge details

To reliably identify / procure the correct DH3102 cartridge, here's a checklist:

1. Remove the existing cartridge
2. Carefully dismantle the faucet and extract the cartridge. Look for markings, stamps or codes on it (on the top, side, or base).
3. Take measurements

• Outer diameter (confirm 25 mm or whatever you measure)
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• Height / length from bottom to top of cartridge
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• Inner bore / spindle hole diameter
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• Number / pattern of splines or flats on the spindle end
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• Position of sealing O‑rings, where they sit (top, middle, bottom)
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• Any retaining clips / shoulders / notches that lock it into housing

1. Check TOTO parts catalogs / service manual

• For the specific faucet model (GA, GR, GS, GO, or whatever series the faucet is), get the parts breakdown. The “cartridge” in that figure should correspond to “DH3102” or a cross‑reference.
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• Use TOTO’s India / regional catalog if in your country.

1. Contact TOTO’s spare parts / support
2. Provide: model of faucet, photos (inside, outside), measurements, and the marking “DH3102.” Their parts department might have the data sheet or cross part number.
3. Compare with aftermarket / generic cartridges
4. Once you have the critical dimensions and geometry, you can see if there is a compatible third‑party cartridge. But for best performance and warranty, stick with original / authorized TOTO spare.

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