Mobile home toilet The toilet specifically designed for mobile homes meets the unique plumbing requirements as well as the space constraints of this sort of dwelling. Mobile home toilets are smaller and more compact than standard toilets, making them suitable for the smaller spaces common in mobile homes. These toilets are lighter than traditional ones, and are brought into the house through a hole in floor; then they are connected to plumbing lines using heavy screws through a ground joint. They use less water per flush, which is important for mobile homes that may be in answer to an environment lacking water; they also often have raw material for water going into a holding tank that needs to be pumped away. Finally, the installation of mobile home toilets is different and requires specialized knowledge and tools to ensure proper sealing without leaks.