One can purchase a gas hot water heater on various websites like Amazon or eBay. One could also visit a local furniture store and ask if they have one for sale.
Gas heater & electric heater both are available.
Yes, your gas water heater will still distribute hot water.
Side of water heater, near bottom.
You cant
thermopile
no
instant gas
It converts cold water to hot water.
At current gas prices they cost less to use and a gas heater gives you a much greater supply of hot water on demand.
It depends on if it's a gas water heater or electric. I don't think electric makes any noise, but a gas water heater, you'll the gas ignite, and hear the rushing gas from the burner.
Gas not turned on to water heater. Gas valve on water heater not set to pilot setting. Faulty gas valve. Igniter for lighting pilot not working.
You need a qualified tradesman