Compression Fittings

What are compression fittings?
Suitable for use in both commercial and residential applications, brass and copper compression fittings are an easy and practical plumbing method for both DIY and professional plumbers. Available in a variety of standard sizes each in different profiles such as straight connectors, 90-degree elbow, equal tee as well as reducing fittings from one size to another. Connecting copper pipe is easy with the range of fittings available with minimal effort.

How do compression fittings work?
Standard compression fittings are simple and easy to use fitting as simple as the name sounds. Made up of three basic pieces, a compression fitting uses a threaded nut with a hole in that tightens down to the compression fittings body. This tightens down over a small typically brass ring called an Olive that is placed between the nut and the body of the fitting. This olive is compressed by the tightening of the nut to the body creating a sealed joint.

What size do I need?
Always check the exact size of the pipe or fitting to be used when plumbing and a range of metric and imperial fittings are available and ensuring the correct size is selected is key to making an exact and well-sealed joint.

Using Compression Fittings
Most standard compression fittings just require two spanners to install, these can either be fixed or adjustable spanners used to tighten the fittings nut down for the best seal. PTFE tape may also be used over the fittings thread to give the best seal and limit the risk of leaking over time.

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Description Price Compression Connection Pipe Diameter Fitting Type Material Threaded Connection Fitting Direction Thread Size Thread Standard Gender
RS Stock No. 432-0364
BrandRS PRO
MYR41.71
Each
units
28mm Tank Coupler Brass - Straight - - -
RS Stock No. 432-0370
BrandRS PRO
MYR30.65
Each (In a Pack of 2)
units
28mm End Stop Brass - - - - -
RS Stock No. 285-8700
BrandRS PRO
MYR35.83
Each
units
28mm Coupler Brass 1 in BSPP Male Straight 1in BSPP Male
RS Stock No. 432-0392
BrandRS PRO
MYR38.44
Each (In a Pack of 2)
units
28mm Elbow Brass - 90° - - -
RS Stock No. 432-0241
BrandRS PRO
MYR34.105
Each (In a Pack of 2)
units
28mm Coupler Brass - Straight - - -
RS Stock No. 285-8671
BrandRS PRO
MYR59.48
Each
units
28mm Coupler Brass - Straight - - -
RS Stock No. 285-8902
BrandRS PRO
MYR126.28
Each
units
28 x 28 x 28mm Equal Tee Brass - - - - -
RS Stock No. 761-086
BrandRS PRO
MYR56.83
Each (In a Pack of 2)
units
28mm Coupler Brass 1 in BSP Female Elbow 1in BSP Female
RS Stock No. 285-8968
BrandRS PRO
MYR126.28
Each
units
28 x 28 x 15mm Reducer Tee Brass - - - - -
RS Stock No. 432-0415
Mfr. Part No.721009
MYR63.465
Each (In a Pack of 2)
units
28mm Equal Tee Brass - - - - -
RS Stock No. 432-0358
BrandRS PRO
MYR21.405
Each (In a Pack of 2)
units
28mm Coupler Brass 1 in BSPP Male Straight 1in BSPP Male
RS Stock No. 285-8873
BrandRS PRO
MYR72.58
Each
units
28mm Coupler Brass - Elbow - - -