Toto spares, Toto parts, Toto spare parts, Spare code no : 1CH501.
TOTO 1CH501 — Details
1CH501 is a TOTO toilet flush valve with gasket, used inside the toilet cistern/tank. A current Indian TOTO spare-parts listing identifies it specifically as “Flush Valve With Gasket (6/3)”.
ItemDetailsTOTO spare code1CH501PartFlush valve / outlet valveIncludesGasketFlush volume6 L / 3 L dual flushFunctionReleases water from the cistern into the toilet bowlRelated part1CH500 = 4.8 L / 3 L flush valveKnown applicationWH040D — an import record specifically identifies 1CH501 as the flush valve with gasket for WH040D.
1CH501 vs 1CH500
The important difference is the full-flush volume:
- 1CH501 → 6 L / 3 L
- 1CH500 → 4.8 L / 3 L
So 1CH501 should not automatically be substituted for 1CH500, even though both are flush valves.
If you give me the TOTO toilet/cistern model number (such as WH040D, CW..., CS...), I can identify exactly which 1CH501 version fits and show you the part/photo and dimensions.
TOTO 1CH501 — Uses
1CH501 is a TOTO flush valve with gasket, specifically the 6 L / 3 L dual-flush outlet valve.
Its documented use is:
- Concealed cistern: WH040D
- Function: Releases cistern water into the toilet bowl during flushing.
- Flush capacity: 6 L full flush / 3 L small flush
- Part type: Complete flush/outlet valve with gasket
- It is not the inlet/fill valve; 1BH500 is the inlet valve.
- TOTO documentation confirms WH040D is a 6/3 L concealed cistern, matching the 1CH501 application.
In short:
1CH501 → WH040D concealed cistern → 6/3 L dual flush.
If you're checking a replacement, don't substitute 1CH500 (4.8/3 L) for 1CH501 (6/3 L) without confirming the cistern model.
TOTO : Control unit, toto Powercable, toto Rubber flapper, toto Signal Cable& Conduit Pipe, toto Right hook,
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Toto thermostatic knob, toto Flange Cap, toto Flange Plate, toto Clamp for valve connector, toto FRAME, toto sensorunit, toto Towel Ring, toto IN WALL SENSOR URINAL FLUSH VALVE, toto Ceramic cartridge for Faucets Europe.
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