LavaPlumb Copper Press Fit Straight Coupler 22mm 10 Pack, M Profile Tool Required Not Push Fit, Joins Two Cut Ends and Has a Tube Stop, WRAS DVGW BSI Approved, Flame Free

Press Tool Required - Not Push Fit: This is an M Profile press fit fitting. You need a compatible press gun and the matching M15, M22 or M28 jaw to compress the sleeve onto the copper tube and seat the EPDM O-ring. It cannot be hand-assembled. WRAS, DVGW and BSI Approved: Certified for hot and cold water services, vented and unvented closed circuit heating systems, and chilled water. Rated to 16 bar from -24 deg.C to 110 deg.C. Joins Two Lengths of Copper Tube: The straight coupler connects two equal-diameter copper tube ends in a continuous run. Both ends are press x press. EPDM O-Ring Seal - Designed to Outlast the Pipe: The black EPDM sealing element handles standard UK domestic water and heating conditions. Clean the pipe end, deburr it, and insert to the correct depth before pressing. No Naked Flame - No Hot Works Permit: No solder, no flux, no open flame. Use these in occupied buildings, timber-framed structures, and confined spaces where hot works permits would otherwise be required.