Retrofit Non Return Valve 160mm Size:160mm plug holes and waste pipes

plug holes and waste pipes

The DBL9 drink bowl is designed with a twin plastic wall for strength and durability

For a watertight seal optional sealing rings are available (3 required per branch)

for use with 65mm Square and 68mm Round Cast Effect Downpipes only

Retrofit Non Return Valve 160mm Size:160mm plug holes and waste pipesFor 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.