The Tesla T-Bar Expansion Vessel Fixing Bar Kit, is the perfect item to accompany your expansion vessel. Our expansion vessel fixing bar provides the complete solution for the hanging of expansion vessels up to 25 litres and comes complete with our Expansion Vessel Service Valve. The T-BARKIT allows for the expansion vessel to be firmly and accurately connected to the heating system. The wall fixing bracket (bar) Manual air vent 3 bar safety valve with pressure gauge Expansion vessel service valve (EVSV) 15mm x ½” male adaptor