Central or lateral radiator connection from below, with flat seal, submerged pipe l=150 mm, Ø =11 mm. Pipe centre distance 40 mm. Adjustable partial flow rate limit in thermostatic operation, The radiator can be removed while the system is under pressure. The valve upper part can be changed by means of HERZ-Changefix Tool. Pipe connections G 3/4 with cone. Pipe connections have to be ordered separately.