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Patent drawing for Packaged residential fire sprinkler pump system
US 7,845,424 B1
Consumer & health US 7,845,424 B1 Expired

Packaged residential fire sprinkler pump system

This invention describes a self-contained fire sprinkler system for one- and two-family homes. It supplements the existing domestic water supply with a dead water storage tank and uses a pump to provide sufficient pressure and volume for two sprinklers to operate during a fire. The system is built on a welded support frame and includes a controller with a low-voltage tank float circuit and a motor stop switch for testing.

Why it matters: Filed before widespread smart home integration. The controller and testing features could now leverage cheaper sensors and wireless connectivity for remote monitoring and automated diagnostics, improving reliability and ease of maintenance.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedPumps, motors, electrical controls, plumbing, safety regulations.

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