Best compression rings for fittings in 2026

compression rings for fittings
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Securing a watertight seal in plumbing requires precision and the right hardware. Compression rings, often referred to as olives or ferrules, are critical components that prevent leaks by gripping the pipe tightly under the pressure of a fitting nut. Our selection focuses on material durability, precise sizing for UK standards, and versatility across water, gas, and heating systems to ensure a reliable, long-term installation.
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Pipestation Split Ring Spanner for 15mm and 22mm Plumbing Compression Fittings | Flare Nut Spanner | Double End Open Ring Spanner | Crows Foot Spanner | Hand Tools | Plumbing Tool | Plumbers Spanner

Pipestation Split Ring Spanner for 15mm and 22mm P...

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Pipestation - Pipestation Split Ring Spanner for 15mm and 22mm Plumbing Compression Fittings | Flare Nut Spanner | Double End Open Ring Spanner | Crows Foot Spanner | Hand Tools | Plumbing Tool | Plumbers Spanner
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  • Double End Ring Spanner - The Split ring compression fitting spanner is used to tighten or loosen 15mm and 22mm compression fitting nuts. PLEASE NOTE - This is for plumbing fittings - the actual spanner sizes are - 24mm and 32mm.
  • Made From Premium Materials - Made from tough Drop Forged Steel that has a thin profile and mirror polish finish for increased durability and corrosion resistance.
£11.59
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YOKIVE - YOKIVE 25 Pcs Brass Ferrule Fittings, Compression Sleeves Ferrule Ring Assortment Kits, Great for Air Water Tubes (Brass Tone, 8mm Hole ID)
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  • √MULTIPURPOSE - Our brass compression sleeves ferrule fittings are great for pneumatic or hydraulic plumbing equipment. Good choice to connect copper, brass, plastic, or aluminum tubes.
  • √WHAT YOU GET -</strong> The package comes with 25pcs Brass Ferrule Fittings in size of 9.5 x 5.6mm / 0.37 x 0.17-Inch (D x H).  Hole ID: 8mm / 5/16-Inch; Fit for 8mm OD copper pipe.
£4.19
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PlumbEZ - PlumbEZ 22mm Compact Compression Elbow Fittings – Brass 90° Plumbing Bend for Copper & Plastic Pipe | Leak Proof Compression Joints for Water, Gas & Heating Systems (1)
#5
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  • Durable, Corrosion-Resistant Brass: Precision-engineered 22mm compression elbow made from solid brass for long-lasting performance in domestic or professional plumbing, heating and gas systems.
  • Leak-Proof Mechanical Seal: Forms a watertight, gas-tight joint with a simple compression nut—no soldering, flux or open flame required.
£5.59
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PATIKIL - PATIKIL 1/8" Tube OD 304 Stainless Steel Compression Tube Fitting Sleeve, 5 Pack Double Ferrule Ring Tubing Fitting Assortment Kit, Silver
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  • Color: Silver Tone; Material: 304 Stainless Steel; Hole Dia: 3.18mm / 0.13 inch, suitable for connecting 1/8 inch(OD) pipe; Total Size: 3 x 6mm / 0.1 x 0.2 inch(H*OD), 4.8 x 6mm / 0.2 x 0.2 inch(H*OD); Packing List: 5 x Ferrule Fittings
  • Advantage: The compression tube fittings are made of stainless steel, which is durable and reusable. These ferrule Rings have a smooth surface and provide a good seal, providing a secure connection for pipe connections.
£4.99
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YOKIVE - YOKIVE 10 Pcs Brass Ferrule Fittings, Compression Sleeves Ferrule Ring Assortment Kits, Great for Air Water Tubes (Brass Tone, 6mm OD)
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  • √MULTIPURPOSE - Our brass compression sleeves ferrule fittings are great for pneumatic or hydraulic plumbing equipment. Good choice to connect hose tubes.
  • √WHAT YOU GET -</strong> The package comes with 10pcs Brass Ferrule Fittings in size of 8.00 x 14mm / 0.31 x 0.17-Inch (D x H).  Hole ID: 5.2mm / 0.20-Inch; Hole OD: 5.9mm / 0.23-Inch; Fit for 6mm(ID) hose.
£4.99
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Our Expert Verdict: compression rings for fittings

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For most home repairs, high-quality brass olives provide the best balance of cost and reliability. This list covers the essential sizes and tools needed for a professional finish.

Market Overview: compression rings for fittings

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The market is shifting toward high-grade brass and stainless steel options that offer better longevity and resistance to temperature fluctuations in modern heating systems.

Buying Guide: compression rings for fittings

AI
When selecting compression rings, prioritise material compatibility with your piping and ensure the diameter is an exact match to avoid gaps that lead to slow drips.

Selection Criteria

Products were selected based on material quality, user feedback regarding leak prevention, and overall value for money in multi-pack configurations.

Budget Advice

AI
Entry-level brass olives are very affordable in bulk packs, while premium stainless steel ferrules or specialised adapter kits sit in the mid-to-high price range.

Conclusion: compression rings for fittings

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Choosing the right compression ring can be the difference between a seamless repair and a costly leak. We invite you to explore our full list of recommended fittings and tools to find the perfect match for your project.

Frequently Asked Questions

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Generally, no. Compression rings deform to create a seal; once crushed onto the pipe, they cannot be reset. It is always safer to replace the olive with a new one to avoid leaks.
Brass is standard for domestic water and heating systems due to its malleability. Stainless steel is typically used in high-pressure industrial applications or where extreme corrosion resistance is required.
The ring size must match the outer diameter (OD) of your pipe. Common UK domestic sizes include 15mm and 22mm, but always verify with a caliper or by checking the existing fitting.

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Pipestation Split Ring Spanner for 15mm and 22mm Plumbing Compression Fittings | Flare Nut Spanner | Double End Open Ring Spanner | Crows Foot Spanner | Hand Tools | Plumbing Tool | Plumbers Spanner
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Pipestation Split Ring Spanner for 15mm...

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