Non-Return Valves

Non-return valves allow sewer or surface water materials to freely flow in the direction of the systems mains but block backflow of those materials in the opposite direction in instances, such as, flooding. Non-Return Valves (NRV’s) can be...

Non-return valves allow sewer or surface water materials to freely flow in the direction of the systems mains but block backflow of those materials in the opposite direction in instances, such as, flooding. Non-Return Valves (NRV’s) can be...

The Mastertrap Single Flap Ratblocker with a 4" / 100mm size is a sturdy tool that can be inserted into your drain to allow rodents to exit safely while preventing them from re-entering due to its cleverly designed one-way flap system. Made from heavy...

The Mastertrap Single Flap Ratblocker with a 6" / 150mm size is a sturdy tool that can be inserted into your drain to allow rodents to exit safely while preventing them from re-entering due to its cleverly designed one-way flap system.