Grohe Filling Valve (Bottom Fill Only) — 42463000
The Grohe 42463000 is an authentic original equipment manufacturer (OEM) replacement filling valve engineered specifically for bottom-inlet Grohe concealed cisterns. Designed to replace failing, calcified, or continuously passing inlet valves, this genuine replacement restores smooth cistern replenishment and provides an instant, positive shut-off to stop water trickling into the toilet pan.
Identification Guide:
MPN: 42463000 | Brand: GROHE | Product Type: Cistern Filling / Float Valve | Inlet Position: Bottom Fill Only | Cistern Compatibility: Grohe Concealed Cistern Dual Flush (39053000)
Key Features
- Original Fit: Engineered by Grohe to exact factory dimensions for the 39053000 concealed cistern casing.
- Bottom-Feed Design: Configured precisely for bottom water entry connections without requiring alterations.
- Positive Shut-Off: Solves internal overflow issues and prevents water running down the back of the pan.
- Smooth Operation: Hydraulic mechanism ensures fast, controlled filling while minimizing water flow noise.
- Durable Build: Constructed from scale-resistant engineering plastic and premium elastomeric seals.
Fitment & Compatibility Notes
This valve is strictly for Grohe concealed cistern 39053000 (dual flush, bottom-fill model). It is not compatible with Grohe Adagio single-flush pneumatic cisterns (which use side-entry valves like 37095000), Grohe Rapid SL / Uniset frames, side-fill cisterns, or standard ceramic close-coupled cisterns. Check your cistern body or service documentation for model code 39053000 before purchase.



