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[Watt2323]

I use propane as well not very much but I figured it was because there are 5 people in my home taking showers relatively close together and the exchanger cant keep up?

You using a side arm or plate exchanger? if a plate exchanger when was the last time it was cleaned?

I am using a side arm, its only one year old

[mlappin]

I use propane as well not very much but I figured it was because there are 5 people in my home taking showers relatively close together and the exchanger cant keep up?

You using a side arm or plate exchanger? if a plate exchanger when was the last time it was cleaned?

I am using a side arm, its only one year old

Yah, a sidearm will be hard pressed to keep up with 5 people especially when doing laundry or dishes. Something else to consider though, you might have hot water left in the water heater but since cold water enters the bottom it trips the gas valve and starts burning, I used to just turn ours clear off. However if like on a Friday night when we go out to eat, if the wife had a brain fart and ran a load of laundry or two then we both took back to back showers the last person might have the hot water turned up almost all the way when done.

[Revx1000]

When I installed the side arm it would be very hot but after the second person showering it was going cold .I put this valve in at the top run 1/4 open ,problem solved . Also I had to remove the anti drain back valve in the top of the tank below the out let

[slimjim]

I see 2 issues with your setup.
First issue, no way to purge the air in the top of your side arm.
Second issue, you should be using the port for the relief valve instead of the hot water port in order to heat the entire tank.