The 22mm 15mm End Feed Reducing Coupler is an external reducer that joins 22mm copper tube to 15mm copper tube in a straight run with a soldered capillary joint. Socket both ends, it fits over the outside of the tube one of the most common reductions on a domestic system, stepping a 22mm run down to 15mm branches. Manufactured from copper to BS EN 1254-1 and fits copper tube to BS EN 1057.
Also known as: external reducer, external coupler, external reducing coupler, reducing coupling, reducing socket, copper reducer, pipe size reducer, 22-15mm coupler, capillary reducing coupler, endfeed reducing coupler.
End feed means a capillary joint: clean the tube and fitting, apply flux, heat evenly and feed lead-free solder to the mouth of the fitting until a ring forms. See our guide: How to solder end feed fittings.
Also in this range: straight couplers, fitting reducers and the full end feed range. Ordering for a whole job? Use the bulk fittings matrix.
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