when my Dad built our home back in the 50's he had the plumbers run a water line to the second floor and put in a tap and hose.he felt the best way to knock down a fire was with lots of water..i keep a hose by the wash tubs in the basement and the tap will attach to it..and yes i know about grease and electric fires and we have a dry extingusher for those..
Sounds like a bad idea. If you need loads of water to take out a fire, you need protective gear. It's not just the fire, it's the smoke that kills you. A house is replaceable, a person not. Fire's van spread rapidly, so when it isn't just a small fire, het the heck out of there and call the FD.