Frequently Asked Questions

Count the number of small teeth on the top brass stem, which is called the spline count. Next, measure the overall length from the base washer to the top tip using a ruler or calliper. If the tooth count and millimeter length match our product specification sheet, the cartridge will fit your tap body.

CW617N is a standardized brass alloy composed primarily of copper and zinc with small controlled additions of lead for machinability. It is hot-forged to eliminate internal air pockets and resist dezincification in hard tap water. This structure keeps pipe fittings from cracking under mains pressure.

EPDM washers withstand alternating hot and cold water cycles for years without drying out or hardening. Unlike basic natural rubber, EPDM resists chlorine and scale buildup. Keep unused spares in a dark, dry drawer until you need them.

The courier will deliver your parcel directly to your apartment door regardless of which floor you live on. Packages are packed into lightweight, manageable cardboard boxes that courier staff carry easily up stairs. You can hand cash directly to the courier or pay via bank transfer in advance.

If an item does not match your pipework, you can return it within thirty days of delivery as long as it is unused and in its original packaging. Return postage is covered by the customer unless the part supplied was faulty or incorrect. Once received at our Richmond address, your refund is processed by bank transfer.

Yes, every delivery includes a printed paper invoice inside the parcel detailing the part names, quantities, and totals. A digital copy can also be sent via email upon request. This provides full documentation whether you are a private homeowner or a professional installer.