my name is travis ong. i'm a senior i.s. engineer. >> a lot of water heater in san francisco look like this may be yours doesn't too do you know it is the post earthquake problems we'll show you to brace our water heater hi, everybody i'm patrick director of quarter safety for the city and county of san francisco welcome to another episode of stay safe today, we'll talk about bracing water heaters water heater failure is a leading problem with earthquake fires you have a a single source you'll have in our home. >> how are you. >> so what are we looking here. >> this is a water heater 3 weighs from 200 to nine hundred pound during an earthquake that weight will try to move sideways we need to secure is. >> we'll brace the water heater our model home in south of market we'll use a simple kit interest the hardware stores from $20 it the the clean up itself single thing to do what necessary look like. >> this is what you'll find in our kit a inch and a half wide strap to attach to the wall around the water heater and so you want