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Thread: Hot water heater confusion
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06-06-2021, 06:31 PM #1
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Hot water heater confusion
I am new to all this. I have a 2021 Momentum Toy Hauler. Question: When I hook up city water to the water supply, does the hot water heater automatically receive water? I can’t find a valve for on / off.
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06-06-2021, 06:38 PM #2
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Welcome to the forum! If you open up a hot water faucet inside the RV, water will fill the water heater.
Brian & Kellie
2020 Solitude 310GK-R, FBP, 1,460w solar, 540ah BBGC3, MORryde IS w/disc brakes
2020 F-350 Platinum SRW Powerstroke Tremor, 60g TF fuel tank, Hensley BD3-F air bag hitch
Previous setups:
2019 Solitude 373FB-R, 2019 F-350 Platinum DRW Powerstroke, Hensley BD5 air bag hitch
2016 Reflection 318RST, 2016 GMC 3500 Denali SRW Duramax, Hensley BD3 air bag hitch
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06-06-2021, 07:04 PM #3
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And before you turn your water heater on make sure it’s full of water. You can damage it if you dry fire it.
Jerry & Linda
Emma & Abby our Mini Golden Doodles & JR our Amazon Parrot
2017 Reflection 337RLS, Build Date 01/2017, Titan Disk Brakes, Goodyear G614s 235/85/16 G Rated tires
2022 F-450 King Ranch Ultimate, 4,868 lb Payload, Bedrug Bedliner, Andersen Ultimate II Aluminum 5th wheel hitch
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06-06-2021, 07:08 PM #4
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Faucet turned on to hot will spit out water and air until the hot water heater is completely filled. Wait until you have a steady flow of water before closing and turning the heater on.
New: 2021 Solitude 380FL
Prior: 2016 Alpine 3600RS
Tow: 2017 F350 Diesel Dually
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06-06-2021, 07:21 PM #5
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06-06-2021, 08:05 PM #6
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Wow thanks a ton. I’ve never used a forum!! Thanks
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06-19-2021, 09:10 AM #7
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Hi all. This is my first trailer and I'm finding this to be super confusing. The manuals (GD and Airxcel) both say to check that the water heater is "filled with water," suggesting that there is a gauge somewhere to do that, but there isn't. And neither manual tells you the rest of the story here.
The logic I'm missing is that, if I turn on the hot water to fill the tank, I'm depleting the hot water tank. How does one "check" that it's "full"? Thanks in advance.
____________________________
Jeff
2021 30G Toy Hauler
2021 RAM 2500 6.7L HD
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06-19-2021, 09:26 AM #8
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06-19-2021, 09:29 AM #9
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Like your house the water heater will refill itself. The first fill will take a bit of sputtering once that stops keep running until the pressure is consistant, that is your best indicator. A quick burp at the relief valve will leave a slight airspace for expansion.
Then turn on the water heater. As stated above running it dry will ruin the water heater.
Also include the water heater (with it off) when sanitizing the lines.
Each time you drain it via the drain plug on the heater you will have to do the above. If you use the trailer often there is no need to drain it until you winterize.Marcy & Gary
2014 Grand Design - Reflection 303RLS
2022 GMC 3500 Denali Duramax Longbed SRW
2015 GMC Denali 3500 - Retired
2003 F350 - retired
Michigan
We're in trouble now, the dog are bloggin'!
https://3dogsandatrailer.wordpress.com/
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06-19-2021, 11:29 AM #10
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A related consideration - if you are regularly connected to a harder city water supply (more minerals), your water heater will scale up more rapidly. If you pull the anode rod to drain the water heater periodically (I do this once a year typically) you will be able to inspect the condition of the anode rod and possible replace it if needed, while you also have the chance to flush out some of the accumulated sediment. There are very inexpensive flush tool / sprayer rods available to assist with this task. These steps will greatly aid in preserving proper functioning and life of your water heater. This attached photo shows my 1 year old used anode versus a new one…
Home is where you park it!
2021 Solitude 380FL
2014 Silverado 3500HD LTZ DRW 6.6L Duramax Allison 6 Speed
RVing since 1996; Full Time since 2018
Need help with Imagine 2600 RL
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