Can I match an O-ring by measuring it?

No. We don’t match O-rings by measurements. Each tap model uses a specific O-ring kit, and we supply only the manufacturer-approved version.

Are O-rings included if I buy a new spout?

Yes. All replacement spouts we sell come with the correct O-rings pre-fitted — you do not need to buy them separately.

Can I buy just the O-ring for a valve or bush?

No. We only supply complete valves and bushes. These parts may include O-rings, but we do not sell the rubber rings separately.

Do you sell genuine kitchen tap parts?

Yes. We’re a family-run business with over 40 years of experience, and we only stock genuine manufacturer-specified spare parts for UK kitchen taps.

What Is a Kitchen Tap O-Ring? How to Find the Right One

Posted by Alice F on 28/08/2025

What Is a Kitchen Tap O-Ring? How to Find the Right One

Q: What is a kitchen tap O-ring?

A kitchen tap O-ring is a small rubber ring that seals the connection between the spout and tap body. It prevents leaks and allows smooth swivelling.

A kitchen tap O-ring is a small rubber ring with a big role. It helps form a watertight seal where the spout fits into the base of your tap. In this guide, we explain where O-rings are used, why they’re not all the same, and how to make sure you get the correct kit.

Kitchen tap O-rings kit example

Where Are O-Rings Used?

On the tap spout: These O-rings are located at the bottom of the spout where it inserts into the tap body. They allow the spout to swivel while forming a watertight seal.
On some valves and brass bushes: Some manufacturers fit black rubber O-rings on these components to help seal the connection inside the tap.

Genuine Kitchen Tap O-Ring Kits by Tap Model

We do not match O-rings by size or measurement. O-rings can vary in:

Thickness
Diameter
Material composition
Groove placement and shape

For this reason, we only sell manufacturer-supplied O-ring kits for specific taps. Manufacturers design each kit to suit a specific spout and tap body combination.

Kitchen Tap Spout O-Rings – Common Repair

In most cases, when customers contact us about leaking taps, the issue is a leak at the base of the spout. This is usually caused by worn O-rings.

If you are replacing your spout entirely, you do not need to buy an O-ring kit separately – we supply all replacement spouts with the correct O-rings already fitted.

Can You Measure Kitchen Tap O-Rings?

At first glance, it might seem like a good idea to match an O-ring by diameter or thickness. However, a close match doesn’t guarantee a proper seal. The design of the spout base and tap body matters.

We regularly see issues when customers try to match by size — as a result, they often end up with stiffness, leaks, or a loose-fitting spout.

Valve and Bush O-Rings – Why We Don’t Sell Them Separately

Although some valves or brass bushes include O-rings, we only sell these parts as complete assemblies — not the O-rings separately. Here’s why:

We supply parts exactly as the manufacturer provides them.
Replacing only an O-ring on a valve won’t always fix the problem. If the valve is faulty, the whole valve must be replaced.

Not Sure What O-Ring Kit You Need?

We can help. Just send us a clear photo of your tap (spout and base), along with any brand name or details, and we’ll match the correct part for you.

Email our team now – we’ll get back to you quickly with expert advice and the right genuine part.

With over 40 years of experience and no copy parts, we’ll help you get it right the first time.

Frequently Asked Questions

What is a kitchen tap O-ring?
A kitchen tap O-ring is a small rubber ring that forms a seal at the base of the spout where it fits into the tap body. It helps prevent leaks and lets the spout swivel smoothly.
Can I match an O-ring by measuring it?
No. O-rings vary in size, shape, and design. We only stock genuine O-ring kits matched by tap model, not by measurements.
Are O-rings included if I buy a new spout?
Yes. All replacement spouts we supply come with the correct O-rings already fitted — no separate kit needed.
My valve or brass bush has an O-ring — can I replace just that?
No. We don’t sell O-rings for valves or bushes. These are only available as complete parts from the manufacturer.
Do you supply genuine tap parts?
Yes. We are a family-run business with over 40 years’ experience and we only supply genuine kitchen tap spare parts from trusted UK brands.

This guide was written by Taps and Sinks Online, a family-run business supplying genuine kitchen tap spare parts across the UK. All content is original and based on our in-house knowledge. If referencing this page, please link to the original source.