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Old 01-26-2020, 10:06 PM   #1
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Thumbs down Water Heater Maintenance Question

After disconnecting from a campsite's fresh water source, do I have to drain the water heater at the heater's compartment, or is using the hot and cold water drains at the rear of my 2020 Jayco 28RL sufficient? I'd hate to mess-up that brand new water heater. I understand those things are EXPENSIVE. Thank you in advance.

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Old 01-26-2020, 10:16 PM   #2
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You can drain it at either location, if you're not going to use it for an extended period of time. If you use the low point drains, you can open the pressure relief valve on the water heater to help it drain faster. If you plan on using the camper in 2 or 3 weeks, there's no reason to drain it out, unless it was hooked up to lousy water.

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Old 01-26-2020, 11:42 PM   #3
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Got options. I tend to drain mine, if I do not plan to use the TT for a few weeks or if I have been uses stinky well water.

Easiest thing to do is to open the low point drain and a hot water faucet.

I took out my drain plug. Installed a short pipe nipple, and a flexible 1 ft water supply line for a sink, along with a 1/4 turn ball valve. It makes it easy to drain, and keeps the water from accidentally leaking into the TT if I have a bad caulk joint, (parents had this issue, cause a lot of rot)
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Old 01-27-2020, 04:51 AM   #4
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I might add: If you do drain your water heater, make sure you turn off the electric/propane heat source BEFORE you drain it! And make sure it's full again before you turn it back on. Nothing will cook a water heater faster than heating it up with no water in it!
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