Does the property management company have regulations on the sewage main in the kitchen of the owner

There is no right to cut off water and electricity.

It is not uncommon to cut off water and electricity to the owner without authorization. Although the property management company did have its reasons for cutting off water and electricity, the property management company's act of cutting off water and electricity obviously exceeded its rights under the law and the contract. If the property management company causes losses to the owner due to water and electricity cuts, the owner has the right to request compensation from the property management company. >>>More

It is possible not to let the owner use it.

The property management company and the owner are equal and independent subjects. >>>More

The scope of services of the property management company is for the maintenance of security and cleaning equipment and facilities in public areas, so the property management company in the home has no right to manage, and can complain to the local real estate management department for this situation.

The authority of the property lies in the management of the public space, note that it is only the right to manage, if the other owners do not explicitly object or have a similar agreement, the property has no right to interfere with the activities of the owners of the community in the public space; >>>More

Then change it, it should occupy a public space.