SumpFlush 650-1000 Chamber

The SumpFlush Twin 650-1000 is a compact, fully automatic pumping station designed for surface and ground water applications where gravity drainage is not feasible. It is specified for use in environments such as basements, car parks, car washes, and cavity membrane drainage systems across residential and commercial settings.

The system provides up to 165 litres of storage capacity and is supplied with two submersible pumps. A timer control panel provides alternating operation to balance pump wear. An integrated high-level alarm is included, with volt-free contacts available for remote monitoring.

Performance

The system is specified with a maximum vertical lift of 6.8 metres and a maximum flow rate of 2.9 l/s.

Important Use Guidance

This system is not suitable for foul waste applications. For foul water pumping stations, specification advice should be obtained prior to selection.

Key Features

• Twin submersible pumps with automatic alternation
• Vortex impeller pump design
• Storage capacity up to 165 litres
• Compact chamber with 450mm x 450mm access
• Inlet positions can be drilled to suit site layout
• Polyethylene tank with FACTA A galvanised steel cover
• Timer control panel with alarm function and volt-free remote outputs
• Standard 1¼ inch Class E PVC discharge with optional reducers to 1½ inch or 2 inch

Typical Applications

• Surface water removal from basements and extensions
• Groundwater control in car parks and cavity membrane systems
• Rainwater discharge from downpipes and external floor areas
• Commercial and light industrial applications where inflow cannot be controlled

Compliance & Optional Upgrades

• Compatible with battery backup systems in line with BS 8102:2022 and PCA guidance
• Designed for straightforward installation and servicing
• Optional single pump configuration available

Downloads

Manufacturer & Support

For inlet configuration guidance, alarm wiring support, or help selecting battery backup options, contact our technical team.