GROHE 12701000 AquaDimmer Waterway Adapter for 47364000 Shower Valve Cartridges
GROHE 12701000 is the waterway adapter used with the 47364000 AquaDimmer cartridge in selected concealed thermostatic shower and bath/shower valves. Its yellow, rocket-shaped body has three ports and three lower O-ring seals, forming the sealed waterway connection within the valve assembly.
This is the adapter, not the complete AquaDimmer cartridge or the thermostatic temperature-control element. The associated AquaDimmer cartridge provides water shut-off, flow regulation and switching between outlets, while the adapter forms part of its waterway arrangement.
| Brand | Grohe |
|---|---|
| Part code | 12701000 |
| Part type | waterway adapter |
| Adapter size designation | 3/4 inch x 1/2 inch |
| Waterway configuration | three ports |
| Sealing arrangement | three O-rings at the lower end |
| Body colour | yellow |
| Associated flow and diverter cartridge | 47364000 |
Match the exact model code and the existing AquaDimmer arrangement before ordering. A shared range name or concealed valve body does not establish that every version uses the same adapter.
Check the original adapter, its port layout and the exact valve or trim code. The stated adapter size is not an overall length and width. Do not select a substitute from these figures, the yellow colour or the rocket shape alone. The separately listed 12701001 attachment assembly should not be assumed to be an interchangeable replacement for 12701000.
These are separately supplied items, not additional contents of the 12701000 adapter. Select only the parts required for the fault and the exact valve arrangement; the model-specific controls below are not interchangeable across every model listed above.
Isolate the hot and cold water supplies and release pressure before dismantling the valve. Inspect the waterway and seal seating areas for damage or debris, and avoid twisting or pinching the O-rings during fitting. Apply only a light, even coating of suitable silicone grease to the seals, then check for leaks and correct outlet operation after reassembly.
Water dripping from the shower head or bath spout when the control is turned off can indicate a fault in the AquaDimmer cartridge's shut-off mechanism. Do not assume that changing the adapter alone will resolve this symptom; identify whether the fault is in the cartridge, waterway or seals before ordering.
For help identifying the correct part, send clear photographs of the original adapter and valve, together with the model code, to Di Vapor's part identification service.
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