SEWER NON RETURN VALVE
- Sewer surcharge preventative products come in two forms
– Push fit installation in existing chambers
– Fit on line stand alone in new chamber.
- Both types provide the means to protect backflow of sewage into the property, come in two sizes to fit DN110 and DN160, suitable for clay and plastic pipes.
- Product choice depends on the suitability of the product for the given circumstance.
- All flood products need a degree of maintenance.