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Old 05-05-2015, 11:36 AM   #1
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Atwood on demand water heater

Anyone out there who purchased a 2015 or 2016 unit that came with an Atwood on demand water heater?
I would be interested to hear how it is performing for you.
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Old 05-05-2015, 11:11 PM   #2
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I have a 2014 Berkshire pusher with this unit. What do you want to know?
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Old 05-06-2015, 07:31 AM   #3
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Any problems with water temp swings water going cold.
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Old 05-06-2015, 03:13 PM   #4
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Yes, seems to be that if you let the water run constant it holds temp, but if like us when you close the shower head for a minute or so to conserve water it cuts off or superheats and then it has to run a few minutes again to get corrected. I personally wish I still had the regular old hot water heater tank system. I believe I used less propane that way since once it was hot it stayed that way and we cut it off after showers and dishes washed every evening anyhow. Also if you are in a colder climate or where the water is really cold coming in you have to change heat setting.
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Old 05-07-2015, 01:23 PM   #5
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FR Salem Hemi w/ Atwood tankless heater

We have a 2014 unit that regularly trips it's breaker requiring a visit outside to reset the breaker at the heater. We have a call into Atwood and after 36 hours, no call back. Growing very frustrated.
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Old 05-07-2015, 01:49 PM   #6
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I will have to check what the make is on our 2014 Surveyor's hot water tank but I don't like the instant hot water. You have to waiste so much going down the drain to get warm and it fills your tanks or you have to have a basin catching the water. Out of our three trailers and one truck camper we liked the system on our previous '08 Jayco the best. Dual propane and electric hot water, one tank, two heaters. Would love to look at getting that done on our current trailer as an add on. Has anyone done something like this before?
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Old 05-07-2015, 04:30 PM   #7
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I don't think the tankless wastes more water getting water to faucet just seems that way. The old style still had to get the water in the tank to the faucet so you are wasting water with it too. With my 2015 Berkshire XL all water goes to a manifold system in the middle of the coach and them out to the faucet. My bathroom sink is next to the tankless and my kitchen faucet gets hot water before the bathroom because the kitchen is next to the manifold now that's wasting water.
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Old 05-07-2015, 04:55 PM   #8
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I just changed out a Gen-1 Girard that was intermittent, then finally inop for a Girard GSWH-1M dial type. After temperature measurements at a specific flow and supply pressure, the 1M seems to work as advertised. I put the dial in the rear bath, next to the WH compartment, within arms reach from the shower.


Happy so far, let you know after my first shower. Girard is coming out with an all-new type of WH in 2016.
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Old 05-07-2015, 05:28 PM   #9
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My 2016 Legacy came with the Atwood Tankless. On our shakedown trip I ended up tweaking the main temp valve outside on the unit (turned it up hotter), replaced my water regulator with a 50-55 PSI "Hi-flow" AND replaced the factory showerhead with an Oxygenics Body Spa. Before all these modifications it performed horribly but last weekend we used it all weekend without any major problems. It does tend to cool off some after a few minutes and you have to feather the cold in and out to keep it exactly the temp you want.
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Old 05-07-2015, 05:36 PM   #10
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Quote:
Originally Posted by 15berkxl View Post
Any problems with water temp swings water going cold.
See my last post but to answer this question more specifically: Before getting all the pressure issues resolved it went freezing cold. After the mods described, it hasn't done that again. Like I described, it comes in scorching hot pretty fast, I feather in the cold and then I have to edge the cold back a little to keep it as hot as I like. Not a big deal really. I am happy with it if it continues to perform like this. Another trick is to make sure you open ALL water valves when you first set up and get all the air out of your lines. Having constant pressure is the key.
I will let you know how it does on the pump, haven't tested that yet...I will be at a festival Memorial Day weekend and will not have city water, fresh tank and pump only! YIKES!
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