I-400L yoMthombo woMoya woMthombo weMpompo yoMfudumezo waManzi isifudumezi-sifudumezi sodidi lwempompo yamanzi ene-400L yetanki kunye nempompo yobushushu eyi-2 ye-HP, elungele abantu abayi-6-8 ukuba basebenzise amanzi ashushu.
Iyunithi yempompo yokufudumala yamandla omoya iquka ivalve yokwandisa (ivalve ye-throttle), icompressor, i-condenser, i-evaporator kunye nezinye izinto eziphambili.