Retrofit Non Return Valve 160mm Size:160mm underground marker tape printed with

underground marker tape printed with warning message for indicating presence of Oil Pipeline

All in one stop tap chamber with 25mm (OD) water pipe connections

These unique and patented Retrofit Non-Return Valves can be simply pushed in to the existing pipework

Polyethene (PE)

Retrofit Non Return Valve 160mm Size:160mm underground marker tape printed withFor use with 160mm plastic pipework, designed to prevent foul water flowing back from the blocked sewerage system to flood the property from the inside via toilets, plug holes and waste pipes. These unique and patented Retrofit Non Return Valves can be simply pushed in to the existing pipework, whether plastic or clay, at the propertys inspection chamber. The valves can be fitted in minutes and do not require any specialist expertise or equipment.