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Old 01-19-2014, 09:40 PM   #1
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Water Heater Question

I have a 2012 Jayco 29RLDS. The owners manual says that there is a bypass value and a drain plug provided for draining the water heater ( for winterization ) but I cannot find these parts anywhere. Does anyone out there know how to drain the 29RLDS water heater?


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Old 01-20-2014, 05:05 AM   #2
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The bypass valves are on the back of the water heater. There are usually 3 valves. The drain is on the outside behind the door for the water heater exhaust. It is usually a 1 1/8" nylon plug. To drain the water simply remove the nylon plug. Many people open the pressure relief valve to speed the draining but that is not necessary.

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Old 01-20-2014, 08:37 AM   #3
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Techs at a rally seminar on water heaters recommended opening the relief valve to get a faster water flow to help flush deposits out. They also suggested doing this periodically during the camping season to minimize the deposit accumulation. They started their presentation by telling us "it is not a hot water heater- why would you want to heat hot water".
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Old 01-20-2014, 08:54 AM   #4
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We are all creatures of habit - I have called it a HOT WATER HEATER all my life and probably won't change now...

The three winterize valves looks like this. Some trailers only have two and still some only have one but the idea is to BYPASS the cold water from going thru the Hot Water heater. You should not allow the RV PINK stuff to get inside the hot water heater. I drain my hot water heater with a port that is on on the bottom side of the heater. I too will leave the relief valve open. There is enough expansion room inside the heater to NOT do any damage from freezing a small amount of water that did not drain out. NOTE the values are not round and will tell you which is closed or opened. If it is inline with the hose it is OPEN.

This is the bottom plug I pull to drain my hot water tank accessible from the outside

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