Relocation of Toilet in Old Houses

Relocating the toilet in old houses can be achieved through three methods: modifying the original toilet's drainage pipe, using a toilet offset connector, or opting for an integrated electric toilet with a built-in sewage lift pump. Details are as follows:

Modifying the original toilet's drainage pipe position:
First, confirm and mark the new toilet position, focusing on checking whether the new location can connect the drainage pipe to the drainage riser. If feasible, use a 150mm diameter water drill to create a hole in the floor (Note: This operation may damage steel bars, so structural safety must be carefully evaluated). The hole size should be one size larger than the outer wall of the drainage pipe to ensure installation space. Subsequently, dismantle the original drainage pipe (operating at the tee joint of the drainage riser) and reinstall it using new PVC drainage pipes. The connections must be reinforced and sealed with wide clamps to prevent leaks. After completing the pipe installation, hang a formwork beneath the floor slab, pour concrete, and conduct reliable waterproofing treatment after solidification (polymer cement mortar waterproof coating is recommended). Finally, lay floor tiles and install the new toilet. This method requires prior consultation with the downstairs residents and their consent before construction. It involves structural modifications, so it is recommended to be carried out by professionals.

Using a toilet offset connector:
If the relocation distance is short (usually not exceeding 30 centimeters), the position can be adjusted by installing a toilet offset connector. Essentially, an offset connector is an accessory that extends the drainage pipe. During installation, ensure tight connections with the original drainage outlet and the new toilet's drainage outlet to avoid drainage blockages due to insufficient slope. This method is relatively simple to operate but may affect drainage efficiency, so choose the appropriate model based on the actual distance.

Opting for an integrated electric toilet with a built-in sewage lift pump:
For situations with a large relocation distance or limited drainage conditions, an integrated electric toilet can be selected. Its built-in sewage lift pump can crush waste and discharge it through a 32mm thin pipe under high pressure to an outdoor sewage well, eliminating the need for gravity drainage and breaking through the limitations of traditional drainage pipes. This solution is easy to install but requires ensuring that the sewage well is accessible and that the equipment is regularly maintained to ensure normal operation.

Precautions:

1. Confirm the structural safety of the house before modifying pipes to avoid damaging load-bearing components;
2. Waterproofing treatment must be strict to prevent leaks and disputes with neighbors;
3. Obtain relevant permits for construction involving public areas (such as the downstairs ceiling);
4. If unfamiliar with the operation process, it is recommended to entrust the work to a professional decoration company or plumber.