Need a North American solution for automatic gravity drainage with emergency pump during backwater events to prevent below-grade garage flooding.

No North American equivalent product exists that combines gravity drainage with an integrated emergency pump for backwater events.

Severity

4High

Willingness to Pay

implied

Added

May 1, 2026

Workarounds Described

Considering submersible pump in existing pit with separate discharge
Considering secondary emergency sump pit with overflow

App Concept

HybridGravity Pump

A North American-approved all-in-one basin that functions as a gravity drain normally and automatically switches to pump mode during backwater events, eliminating the need for custom setups.

Key Features

Integrated backwater valve with gravity flow
Submersible emergency pump activates on high water
Discharge line with check valve for backflow prevention
Compliant with North American plumbing codes

Target Users: Homeowners and plumbers in Canada and the US with below-grade garages or basements prone to flooding

Revenue Model: $1,200 one-time hardware sale plus $200 annual maintenance plan

Existing Solutions Mentioned

KESSEL Pumpfix M

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