In the case of a tubular heat exchanger must also be taken into account that, it is not possible to clean the pipe and wash several dozen in one piece, located a few meters below ground .
Katika kesi ya exchanger tubular joto pia lazima yazingatiwe kwamba, haiwezekani safi bomba na safisha dazeni kadhaa katika kipande moja, iko mita chache chini ya ardhi .