Toto spares, Toto Parts, Toto spare parts, Spare Code No : TC377-D1.
If you mean the TOTO spare part TC377-D1, it is the soft-close functional unit (damper) used in certain TOTO toilet seat and cover assemblies. It controls the slow, quiet closing of the seat/lid.
There is no publicly available engineering drawing or internal design document for the TC377-D1 from TOTO. The available parts lists identify it only as:
- TC377-D1 – Soft Close Unit (1 Pair)
- TC377-D1 – Soft Closing Functional Part
If you're looking for:
- An exploded view of the assembly,
- A CAD model (STEP/IGES),
- Dimensions, or
- The internal damper mechanism,
please tell me which one you need. If you have the model number of your TOTO toilet seat (for example, TC377VS or another model), I can help locate the correct assembly information or compatible replacement.
The TOTO TC377-D1 spare part is a soft-close unit (1 pair) used in compatible TOTO toilet seats and covers. Its main purpose is to provide controlled, slow closing of the seat or lid instead of allowing it to slam shut.
Its uses include:
- Providing soft-close (slow-close) action for the toilet seat and lid.
- Preventing slamming, which reduces noise.
- Protecting the seat, hinges, and ceramic bowl from impact damage.
- Improving user comfort and extending the life of the toilet seat assembly.
The TC377-D1 typically contains two damping mechanisms (one for each hinge side) that use an internal rotary damper to slow the closing motion. TOTO does not publicly provide the internal engineering design or drawings for this component.
If you're planning to repair, redesign, or manufacture a compatible replacement, I can also explain how the soft-close damper works internally with a technical diagram.
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toto Screw, toto Concealed Automatic Urinal Flush Valve, toto Shower Hanger & Screw, toto check nut & lock on cartridge, toto Controller Unit, toto Cartridge, toto Fill Valve, toto HANDLE/KNOB, toto SSBolts &Nuts, toto PRESSURE CONTR.., toto Avante Wall Hung Toilet W/Invisible Fixing Kit, toto Flexible Hose, INDIA.
TOTO : Base Plate Assy, toto Soft Landing Unit, toto Soft Landing Unit, toto Damper dryer for WL .., toto DUMPER / PLASTIC LID ON WAND, toto Indication Substrate Assembly, toto Fixed Shower Head, toto Bath & Spout, toto Handle,
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 DUBAI.
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