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Re: 2024 expedition water heater


 

You didn't mention filling the hot water tank before turning the flame on.? That takes 3 to 5 minutes.? You did do that before turning on the flame, right?? If you didn't, it apparently won't do anymore damage given what you got away with so far, but that's still not a good idea.

If you switched the bypass to the hot tank before you pushed water into the system, you pushed antifreeze into the hot tank, and that requires that you drain and flush the hot tank several times.? Plus the dealer may have inadvertently put antifreeze in the hot tank, you just don't know, so flushing the hot tank is a good idea anyway.

Your trailer may or may not have an aux port for putting antifreeze into the plumbing.? If you have one, there's a 3 way valve between the water tank and pump.? You set the valve to pull from the aux port, screw a short piece of hose onto the aux port of the valve, and stick the other end of the hose in the jug of antifreeze.? ?Then you can pull from the jug.? But if you don't have an aux port, you have to put the antifreeze into the fresh tank, and that complicates de-winterization.

So check your plumbing for an aux port, and if you don't have one, you'll need to fill and drain the fresh tank too, and given the tank size and drain speed, that takes a long time.?

Install an aux fill port if you don't have one.? Basically when you go to winterize, you don't want to put antifreeze into either the hot tank or fresh tank.??

Using the hose connected to the city water input will not push water through the pump. ?You need to put water in the fresh tank, and use the pump to pump it out to get the antifreeze out of the pump.

I've never had a burning smell come from my hot water heater exhaust.? It's possible that you have mud dauber wasp nests inside the combustion compartment, or a nest from some other critter.? If you run the water heater, then shut it off, and see wisps of smoke coming out the exhaust, I'd say thats a pretty good sign you have something in there.??

I'd also check the styrofoam around the hot tank to see if its melted anywhere.? Check the electrical wires for melting too.? Also heat and pressurize the tank and open the door on the outside, and check for leaks.? One guy that ran his heater empty reported leaks at the over pressure valve.

If you have any doubts about the integrity of your hot water heater, I'd take it in and have an rv guy look it over.? ?Or just call the tech support line for the heater and ask them what they think.? There's a large number of people that have run hot tanks while empty, so the tech folks should know what happens and what to do.

Since you're new to RVs, here are some other biggies you should be aware of:

1. Always connect a water pressure regulator to the faucet when connecting a hose to the city water inlet.? Some campgrounds have high water pressure for firefighting, and it will burst your plumbing.

2. Never run the fridge when the trailer is not level.? That will destroy it.

3. Do not run your trailer tires until the tread wears out.? Replace at 5 years even if the tread is fine.? Failure to follow this rule can lead to a blowout, which can tear out the floor of the trailer and cost thousands of dollars to repair.? There is a 4 digit date code on each tire of the format XXYY, where xx is the week (1 to 52) of the year and yy is the year.


On Tue, Jun 11, 2024 at 07:55 AM, D_a_n_e wrote:
Well, we tested it out. We turned the bypass valves, hooked up the hose to our external house spigot and, after pressing both the reset buttons, we got it to ignite. We ran the hot water and quickly noticed that the pink antifreeze solution was coming out of the faucet. We filled and emptied our 5 gallon bucket about 5 or 6 times before it started looking clear. The water did heat as expected, but we also noticed the exhaust from the heater had a bit of a burnt smell to it. Kind of like when you don't use your furnace for a long time and the first time you turn it on, it smells like singed dust. Is that normal, or is that a sign that it's damaged??

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