Photo 1. This type of submersible pump control box contains a capacitor, relay, and associated electronics. In this article, we'll take a look at the 3-wire 240V single-phase submersible pump system ...

Clad in bulky spacesuits, NASA astronauts Chris Cassidy and Tom Marshburn replaced a pump control box thought to be responsible for the leak of ammonia, which cools down the orbiting lab's systems.

Clad in bulky spacesuits, NASA astronauts Chris Cassidy and Tom Marshburn replaced a pump control box thought to be responsible for the leak of ammonia, which cools down the orbiting lab's systems.

For the second time in 2 months, the agency has warned of a potential problem with the controllers, with one related death.

VW says in documents posted Thursday by the U.S. National Highway Traffic Safety Administration that a problem with a pump seal can let fuel leak from a charcoal canister in the emissions control ...