Aqualisa 3/4" Ceramic Disc Tap Valve Kit (Hot) — 173803
The Aqualisa 173803 is a genuine 3/4 inch ceramic disc valve kit designed for the hot side of compatible Aqualisa shower mixers and taps. This high-performance ceramic cartridge was engineered to provide a smooth, quarter-turn operation and a drip-free seal. Please Note: This item has been officially discontinued by the manufacturer in 2025 with no direct alternative currently listed. Stocks are strictly limited to remaining inventory.
Identification Guide:
MPN: 173803 | Range: Aqualisa Spares | Size: 3/4" BSP | Side: Hot (Clockwise Close)
Key Features
- Ceramic Technology: Utilizes hard-wearing ceramic discs for a longer lifespan than traditional rubber washers.
- Genuine Quality: Original Aqualisa component ensures exact threading and spline count for a perfect fit.
- Chrome Shroud: Includes the decorative chrome collar to maintain the aesthetic of your shower control.
- Status: Permanently discontinued; this represents the final availability of genuine factory stock.
Important Information
As of 2025, Aqualisa has ceased production of the 173803 kit. If your valve is leaking, we recommend purchasing this genuine spare while stock lasts, as no official alternative has been released. Ensure your system is fully drained before attempting to swap the cartridge.