Tap Valve & Cartridge Guide
We supply a full range of tap valves, cartridges, and replacement parts to suit both domestic and commercial plumbing jobs.
Tap valves are sometimes referred to as heads, glands, or inserts – they all refer to the same component responsible for controlling water flow.
Browse the full range here: Tap Valves & Cartridges
Quarter Turn Tap Valves
- Sold in handed pairs – one clockwise, one anti-clockwise opening
- Available in ½” and ¾” BSP thread sizes
- All valves feature M24 upper threads, suitable for most shrouds and covers
Compression (Rubber Washer) Tap Valves
- Traditional wind-down style that opens and closes by turning
- Can be used on either hot or cold side as both open in the same direction
- Available in ⅜”, ½”, and ¾” BSP thread sizes
Ceramic Disk Cartridges
- Replacement cartridges for single-lever mixer taps
- Available in 25mm, 35mm, 40mm, 45mm, and 47mm diameters
- Smooth operation with durable ceramic disks for long service life
Thermostatic Temperature Control Cartridges
- For thermostatic shower valves that maintain consistent water temperature
- Quality-tested cartridges compatible with most leading brands
How to Identify the Correct Valve
- Remove your existing valve or cartridge.
- Measure the thread size and diameter.
- Match your measurements with our range or visit our Identification Page for help.
- You can also search by brand or watch our helpful how-to video for guidance.
💡 Tip: Always apply silicone grease when servicing taps to ensure smooth fitting and reduce wear.
Our replacement valves and cartridges fit many leading brands including:
Astracast, Blanco, Bristan, Carron, Crosswater, Deva, Franke, Hudson Reed, Jacuzzi, Mayfair, Ocean, Sagittarius, Tre Mercati, Ultra and more.
These cartridges also replace popular Kerox and similar types used in a wide range of mixer taps.
Installation Notes
- Cold water feed: right-hand side
- Hot water feed: left-hand side
- Always isolate your water supply before replacing any tap valve or cartridge.
Quick Reference
| Tap Type | Part Needed | Typical Sizes | Operation |
|---|---|---|---|
| Two-handle tap | Quarter turn valve | ½" – ¾" BSP | Clockwise/anticlockwise |
| Two-handle tap | Compression valve | ⅜" – ¾" BSP | Wind-down |
| Single-lever mixer | Ceramic disk cartridge | 25 – 47 mm | Lift & rotate |
| Thermostatic shower | Thermostatic cartridge | Various | Auto temperature control |
