Crossing tee made of brass, corresponding to the DVGW and ÖVGW requirements. Stainless-steel press sleeve with a plastic stop ring, both firmly bonded with the fitting. The press sleeve has inspection windows to monitor the stop of the pipe at the fitting bond. Suitable for use in heating. To cross connection lines without a change in height, with insulation shells (according to EnEV) made from EPP for thermal and sound insulation.