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04-25-2021, 08:51 PM
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#1
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Junior Member
Join Date: Apr 2021
Posts: 3
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Tankless water heater
has anyone converted to a tankless water system, gas or electric? Considering making the switch in a truck camper.
If yes...pros/cons? Brand?
gas units have limitations at elevation apparently and electric units require 240.
also considering ditching the dometic 2353 and going with an Ausranvik chest cooler. Has anyone made that mod?
Thanks
Steve
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04-29-2021, 09:01 PM
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#2
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Junior Member
Join Date: Jan 2021
Posts: 24
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I have had both, my current unit came with a tankless water heater. Showers are great if you're on campground water but that's about it. It's not good if you're trying to conserve a limited water supply, it takes too long to get hot water and you have to turn it on hard to make it work. Frankly I hate the thing and have been considering switching to a conventional one. That was my first post on this forum and it sounded all negative, dang.
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04-29-2021, 09:13 PM
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#3
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Senior Member
Join Date: Feb 2018
Posts: 608
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Well Ill be different and say that we have the Truma tankless system and it came installed in our coach and in the future, we will ONLY buy a coach if it has it.
It is fantastic but I must say.... I never boondock and always camp with full hookups. At the campsite it feels great knowing that I can take a shower as long as I want with no wait time for the next person.
Only downside is that the system ONLY runs on propane... NO electric. Its not possible to have this kind of system on electric. So, on propane.... yes, you will need to eventually refill the propane tank. As a reference I had a full tank on my coach and after 4 weeks and 4 people we still had a 1/2 a tank when I filled it back up with no other propane being used.
__________________
1998 Prevost Vogue XL 40' Riveted
500HP Detroit Diesel, side radiator, tag axle, IFS
We have RV'ed in ALL of the lower 48 and into Canada.
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04-30-2021, 04:36 AM
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#4
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Junior Member
Join Date: Apr 2021
Posts: 3
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Quote:
Originally Posted by kames
I have had both, my current unit came with a tankless water heater. Showers are great if you're on campground water but that's about it. It's not good if you're trying to conserve a limited water supply, it takes too long to get hot water and you have to turn it on hard to make it work. Frankly I hate the thing and have been considering switching to a conventional one. That was my first post on this forum and it sounded all negative, dang.
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Thank you. Were your heaters the same brand? Is that a characteristic of all tankless heaters?
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04-30-2021, 04:40 AM
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#5
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Junior Member
Join Date: Apr 2021
Posts: 3
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Quote:
Originally Posted by AZ RV'r
Well Ill be different and say that we have the Truma tankless system and it came installed in our coach and in the future, we will ONLY buy a coach if it has it.
It is fantastic but I must say.... I never boondock and always camp with full hookups. At the campsite it feels great knowing that I can take a shower as long as I want with no wait time for the next person.
Only downside is that the system ONLY runs on propane... NO electric. Its not possible to have this kind of system on electric. So, on propane.... yes, you will need to eventually refill the propane tank. As a reference I had a full tank on my coach and after 4 weeks and 4 people we still had a 1/2 a tank when I filled it back up with no other propane being used.
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Thank you. I’ve heard about the Truma. Does the Truma have the characteristic
Of having to run water for a period before it heats (as described above)?
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04-30-2021, 06:00 AM
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#6
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Junior Member
Join Date: Jan 2021
Posts: 24
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Quote:
Originally Posted by Frodotx
Thank you. Were your heaters the same brand? Is that a characteristic of all tankless heaters?
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Mine is a Girard GSWH-2. I don't know about other rv water heaters, but the tankless water heater in my house behaves the same way. If I shut off the water and turn it right back on it has to start over and cycle from cold to hot again. In my previous camper the conventional water heater was under the sink, even at a low trickle there was hot water quickly. It is true the tankless one doesn't use much gas though.
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04-30-2021, 06:50 AM
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#7
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Senior Member
Join Date: Jun 2016
Location: De
Posts: 490
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Our coach came with tankless i was not happy at first but I now like it, you set the temperature before starting and don't mix hot /cold, I also installed the SHOWER MISER by AQUA VIEW it circulates the water back to freshwater tank while soap up keeping temperature steady flip valve rinse, doesn't fill grey tank and saves water when boondocking.
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05-01-2021, 08:05 PM
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#8
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Junior Member
Join Date: Mar 2021
Location: Nashville, TN
Posts: 6
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Extra Pressure Relief Valve
We have a Truma Aqua Go Comfort tankless water heater and we want an extra valve. Is there a generic brand replacement valve anyone has had success with?
We are very please with how this product performs. We just want to be one step ahead. All comments are welcome.
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06-13-2021, 08:58 PM
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#9
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Junior Member
Join Date: Mar 2021
Location: Nashville, TN
Posts: 6
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Update...The customer service at Truma was fantastic. They directed me to a certified tech in Nashville at Dunlap Family RV. Truma sent to part in, Dunlap completed the work in a very short time and all is good. FYI..A separate pressure valve cannot be purchased. The pressure stabilizer vessel, which includes the valve, must all be replaced.
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06-16-2021, 10:20 AM
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#10
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Senior Member
Country Coach Owners Club
Join Date: Jul 2019
Posts: 408
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Suburban IW60 tankless HWH + SinkMi$er (in wetbath). Works great, and we've camped at >9400ft with it so far, without issues.
We don't waste water while waiting for it to get hot (it returns to the potable tank), and we can take unlimited-length showers when we go to parks every few weeks to deal with laundry, dump tanks, etc.
__________________
2000 Country Coach Magna 40', 2022 Ram Power Wagon
4380W Solar 38kWh LiFePO4 18k/12k/12k/9k LG Mini Splits
Cinderella Travel & Lots of Other Modifications
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06-20-2021, 10:11 AM
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#11
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Member
Join Date: Jul 2019
Location: East Wenatchee, WA
Posts: 98
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Sounds like that SinkMi$er might be the key ingredient to this kind of setup? Any more details on that?
__________________
2022 F350 XL CCLB FX4 4x4 7.3L gas
2017 Adventurer 910 DB slide-in truck camper
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06-20-2021, 10:15 AM
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#12
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Senior Member
Join Date: Jan 2021
Posts: 515
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Quote:
Originally Posted by Frodotx
has anyone converted to a tankless water system, gas or electric? Considering making the switch in a truck camper.
If yes...pros/cons? Brand?
gas units have limitations at elevation apparently and electric units require 240.
also considering ditching the dometic 2353 and going with an Ausranvik chest cooler. Has anyone made that mod?
Thanks
Steve
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You have another problem. The propane tank is completely separated from the atmosphere, so the pressure in the tank is not affected at all by altitude.
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06-21-2021, 08:11 AM
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#13
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Senior Member
Country Coach Owners Club
Join Date: Jul 2019
Posts: 408
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Quote:
Originally Posted by memilanuk
Sounds like that SinkMi$er might be the key ingredient to this kind of setup? Any more details on that?
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It's just a diverter valve that you put inline with the hot side of the faucet. It'll either supply water to the faucet, or divert it back to the freshwater tank.
We've found that for showering, we'll set the HWH to 108F or slightly cooler if we want, and just run full hot water. That means that when we divert the flow to the fresh tank:
1) there is no cold (mix) water draining out the cold side of the faucet, and
2) hot water never stops flowing, so the heater never stops heating, and we aren't waiting for water to heat when we want it to flow out of the faucet again
It also comes with a temperature-sensitive indicator that turns from blue to white when hot water is present.
https://aquaviewinc.com/rv/
__________________
2000 Country Coach Magna 40', 2022 Ram Power Wagon
4380W Solar 38kWh LiFePO4 18k/12k/12k/9k LG Mini Splits
Cinderella Travel & Lots of Other Modifications
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