Pour 5 gallons into the tank of your fathers car, and you will find out.
no
noooooooooooooooooo
Water boiler, Cooker and Gas Fire.
There is no current technology to turn water into a useable fuel source.
No. Gas water heaters are not all designed to use direct venting.
The answer is that is may create a problem when you want to use it with natural gas. Best is just to scrap it.
You can use a gas syringe. Alternatively you can trap the gas over water in a graduated vessel.
No
water
YES!!!!YES you can. It has nothing to do with the hot water, unless you have a gas dryer and you have shut off the gas.
At current gas prices they cost less to use and a gas heater gives you a much greater supply of hot water on demand.
Water and they also use gas. They use a hydrogen cell, which explains the need for water.