12/05/2026
Protect your property from sewer backsurges, flooding, and rats by removing and replacing an interceptor trap with the installation of a Kessel non return valve unit instead of just a straight section of pipe. Pro-Drain prevents basement property flooding in London and resolves rat infestation issues by stopping them from entering private drainage systems via the lateral connection to public sewers.
*Sewer backsurges are the number 1 cause of basement property flooding in London
A double flap non return valve unit installed upon the lateral connecting underground drain guarantees that a back surging sewer will not inundate your private drainage system.
*Broken interceptor traps and missing Rodding access caps are the route cause of sewer rat infestations in London
A non return valve unit with stainless steel backed flaps will lock sewer rats out of your private drainage system forever.
Call in the experts. Pro-Drain is always available to assist with a fully guaranteed service or provide free advice on preventing basement flooding or permanently preventing drainage system related rat infestations.