Most people believe that if something costs more, it has to be better quality. In the case of generic drugs, this is not true, says Gary Buehler, Director of FDA's Office of Generic Drugs. The standards for quality are the same for brand name and generic products..uch of FDA's review of generic drugs and brand name drugs is the same, Buehler explains (See Same FDA Requirements for Brand-Name and Generic Drugs below).
Then evaluate tank water heaters on the same gph basis to determine how many gallons of storage are needed to meet this demand. While tankless water heaters do not run out of hot water, if not sized correctly, the flow rate of that water can be adversely impacted.
Let's take a look at why you usually have to wait for hot water with a tank type water heater how the hot water recirculation system is your fast hot water answer.aiting for Hot Water. With a tank type water heater hot water is sent out from the heater to your faucet or appliance. As the hot water sets in the pipe waiting to be used, it cools off.