Intambo yokufudumeza inokuthintela umkhenkce wombhobho kwaye yenza ukuba amanzi ahambe ngokuqhelekileyo ngaphantsi kwe-0° C
Intambo yokufudumeza isebenzisa i-thermostat ukonga amandla.
Intambo yokufudumeza ifanelekile ityhubhu yesinyithi okanye umbhobho weplastiki ozaliswe ngamanzi.