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Suburban IW60 Nautilus Tankless Water Heater?

audiodane
Explorer
Explorer
We currently have a 10gal Suburban Tank model that has a leak.... It seems the Girard, the Suburban tankless, and a replacement 10gal Suburban tank heater are all priced fairly comparably to each other (the tank being the cheapest but not by a massive amount).

I've looked at Girard... The Truma and the Precision are way out of our budget range, unfortunately. Then I found that Suburban has a tankless, but I haven't seen many reviews on it.

I noticed that the Suburban claims to come on at 0.5gpm, whereas the girard needs a higher 0.9gpm. I've also noticed the Girard is around 40kBTU and the suburban is over 55kBTU.. But still, I don't find many reviews or youtube videos about the Suburban.

Does anyone have any practical thoughts about the Suburban tankless?

thanks!
..dane
2018 Ram 3500 CC SB 4x4 SRW
20 REPLIES 20

wanderingaimles
Explorer
Explorer
Here is the data from AP tankless that makes a lot of these units. This is not a specifically RV model.

tankless

The AQC 3.1 is the only 120 Volt model, it will warm a half gallon of water per minute, 40 degrees F. And will be drawing 25 Amps doing it.

Old-Biscuit
Explorer III
Explorer III
NONE that I am aware of....12VDC and Propane only

Electric would need couple of 2000W 240VAC elements for Instant On Demand Hot Water.......
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

ScottG
Nomad
Nomad
Multi stage with the highest BTU is the best - in theory, but I too wonder about the reliability. There's very little information out there.
Do people have them and just aren't having any issues?

Most of the time these discussions digress into arguments over why you need to take a shower that long - which is none of anyones business.
Please, lets try to keep on subject because this information is valuable to some.

Hey OB, do any of the tankless RV units use 120VAC to heat? I thought they all only used 12V and propane.

EDIT: Truma, Girard, Suburban, Dometic/Atwood all look to be only 12V/PP.

Old-Biscuit
Explorer III
Explorer III
Seeing that the Suburban IW60 Nautilus operates on Propane ONLY you will ALWAYS be boondocking per se regardless of being at a FHU CG Site.

Consumes 15,000 btu at minimum flow of 0.5 gpm up to 60,000 btu at maximum flow of 1.5 gpm.

Suburban 10 gal uses 12,000 btu.

How often do you camp?
How much propane do you currently have?
How often do you fill propane now?

Just remeber ANY tankless W/O electric option will ALWAYS require propane even when FHU.
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

audiodane
Explorer
Explorer
great points, thanks. We plan to be using primarily full hookup sites, don't plan to boondock very often and when we do, maybe only one or two days at a time tops (perhaps while on a long trip). These less expensive tankless are LP only, which we are certainly aware regarding LP-only systems.
2018 Ram 3500 CC SB 4x4 SRW

wanderingaimles
Explorer
Explorer
Can not speak to your specific question but i will point out, propane provides a maximum burn of 91,000 btu per gallon. consider how the run times will change how long your propane last as well as water availability.
If you are in an rv park with full hookups, you may love the "unlimited hot water"
Does the tankless offer any form of electric water heating when you have electric available?
Just points to consider.