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Old 02-02-2007, 09:48 AM   #15
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fiveO,

i'm considering this for my flying cloud. it's one of the few choices around;
About PrecisionTemp it's around $900.

i've read on here that some people have toyed with this idea;
Bienvenidos a Excel Boilers gas water heaters gasflex gastite pex energy tax act it's around $500 but not really made for rv but if you do a search, you'll find some info on it.

in my opinion, it's not worth saving the $400 on the excel as it's not designed for an rv, however there are some people on here that think you can install/adapt just about anything for an rv. i'm not one of those people. i'd rather spend a little extra and buy the product that is designed for the intended use.
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Old 02-02-2007, 10:15 AM   #16
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Urbanfood, Thanks for the info. This site is the best for a new guy like me. I have been moving towards getting my first RV for the last 6-8 months, and it looks like it will be an AS. I am going to look at another one in two weeks. I agree with the round peg/round hole theory and this may be pefect for someone like me who needs a long hot shower everyday. Sorry, but I was never in the Navy.
Price doesn't just come down to comparing it to other types and operating costs, comfort is a big factor to me. If people can spend 6 bucks for a pack of smokes everyday I'm sure $900 is well spent on something like this.

Does this site support group purchases???
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Old 02-02-2007, 06:28 PM   #17
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Quote:
Originally Posted by urbanfood
fiveO,

i'm considering this for my flying cloud. it's one of the few choices around;
About PrecisionTemp it's around $900.

i've read on here that some people have toyed with this idea;
Bienvenidos a Excel Boilers gas water heaters gasflex gastite pex energy tax act it's around $500 but not really made for rv but if you do a search, you'll find some info on it.

in my opinion, it's not worth saving the $400 on the excel as it's not designed for an rv, however there are some people on here that think you can install/adapt just about anything for an rv. i'm not one of those people. i'd rather spend a little extra and buy the product that is designed for the intended use.
I would NOT use ANY LP or other fueled tankless water heater (other than electric) in an RV.... UNLESS it is certified by the RVIA specifically for RV use. If you have ANY problems such as a fire or explosion, you can be SURE that your insurance company WILL deny your claim based on improper use of an unrated appliance!!!
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Old 02-02-2007, 07:28 PM   #18
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Quote:
Originally Posted by lewster


I would NOT use ANY LP or other fueled tankless water heater (other than electric) in an RV.... UNLESS it is certified by the RVIA specifically for RV use. If you have ANY problems such as a fire or explosion, you can be SURE that your insurance company WILL deny your claim based on improper use of an unrated appliance!!!
Oh hell, I've been shot, stabbed, hit by lightning, done 7 flips in a car, and blown up already. I ain't scared of no waterheater.
Just kidding, thanks for the heads up, I will look into that.
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Old 02-02-2007, 08:14 PM   #19
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Quote:
Originally Posted by lewster


I would NOT use ANY LP or other fueled tankless water heater (other than electric) in an RV.... UNLESS it is certified by the RVIA specifically for RV use. If you have ANY problems such as a fire or explosion, you can be SURE that your insurance company WILL deny your claim based on improper use of an unrated appliance!!!
worrying about whether insurance co. would deny my claim would be the least of my worries in the event of an explosion.

lewster, please explain the difference between an LP tank and LP tankless hot water heater in terms of "chance of explosion factor". they are both using LP as a heat source. also, i'd like to hear more why you think the precisiontemp rv-500 shouldn't be used in an rv (considering it's designed to be used in an rv).

also, it doesn't appear to be approved by RVIA because the precisiontemp people probably haven't paid RVIA to approve it. if you don't recommend the precisiontemp, what other brand would you recommend for a tankless hot water heater designed for an rv?

please enlighten us.
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Old 02-03-2007, 06:49 AM   #20
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Quote:
Originally Posted by urbanfood
worrying about whether insurance co. would deny my claim would be the least of my worries in the event of an explosion.

lewster, please explain the difference between an LP tank and LP tankless hot water heater in terms of "chance of explosion factor". they are both using LP as a heat source. also, i'd like to hear more why you think the precisiontemp rv-500 shouldn't be used in an rv (considering it's designed to be used in an rv).

also, it doesn't appear to be approved by RVIA because the precisiontemp people probably haven't paid RVIA to approve it. if you don't recommend the precisiontemp, what other brand would you recommend for a tankless hot water heater designed for an rv?

please enlighten us.
My post referred to the 'other brand' of water heater. The PrecisionTemp IS RV approved and I HAVE ONE IN MY 19CCD!!!!! I can highly recommend it, as I also had one in my former MoHo, a '98 Monaco Dynasty that I full-timed in for 5 years. Never had a problem with the unit!

If a heater is not constructed specifically for use in a mobile environment, that is to say that it's components and design are focused primarily for use going down the road, you might have component failure that is directly related to being on the move. Also, the air pathways and location of the igniter and burner components differ in a 'house' unit and an RV unit.

I have used tankless water heaters since 1995 in various homes that I have owned or built. They are a great product but be sure that the unit that you choose is rated for the proper use, like the RV-500 for an RV. There are many great heaters for home use, but they should stay in the home, not an RV.

Let me know if you have any other questions about the RV-500.
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Old 02-03-2007, 09:43 AM   #21
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ah, good news then. i thought you were knocking the rv-500 in your earlier post and i was going to have to do my research all over again

i'm glad to here you have in it your CCD. did it come with or did you put it in afterwards?

it's obviously almost 3X as much as a tank water heater but sounds like one of those "justifiable" expenses, especially in a complete redo of my flying cloud. expense aside, i can't think of another reason not to install one (and i've read all the previous posts/topics on the site).
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Old 02-04-2007, 06:32 PM   #22
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David,

It was the first component that I changed in the CCD. I have made other mods to the little beastie, and none were 'necessary'......I just like to use the best components that I can find. It's pretty easy being in the RV business.

The CCD came with an Atwood 6 gal. and I like to take looooong showers when possible, so the RV-500 was a natural. It take a bit of shoe-horning to get it in, and a little surgery also as it was larger than the provided opening in the skin, but the install looks OEM and the unit works perfectly. The old lighted switch for the propane notice for the old heater now reminds you that the RV-500 has power to it. Of course, it doesn't use any unless you are running hot water. It's just a reminder.

I've been asked to post some shots of the unit in the trailer, but that won't be possible until my work season is over in May. Just not a lot of extra time for doing anything but work at this point.
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Old 02-04-2007, 10:50 PM   #23
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lew,

thanks for the info. i have to replace that exterior panel on my flying cloud anyway, so getting the right fit shouldn't be a problem. your feedback confirms my desire to go with the rv-500 .
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Old 05-02-2007, 10:08 AM   #24
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Can you tell me what the difference is between the "Surface Mount Door" and the "Flush Mount Door" referred to on the RV-500 section of the Precision Temp website? Also does the brushed aluminum door look ok on the Airsteram?

http://www.precisiontemp.com/2007_Pricing.pdf
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Old 05-04-2007, 09:18 AM   #25
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Here are the instructions for installing the RV500. The flush mount and surface mount are covered beginning on page 2. I am not sure which application would be best for an Airstream. The cutout in my 1976 A/S around 16 1/2" wide and 16 tall for the old original 10 gal Bowen WH. The cutout for the RV 500 is 13.75 wide and 14.625 high if I am reading it right. The cutout for a new Atwood 10 gal WH is about 16" wide and 15 1/2 high.

The 10 gal Atwood cost about $365 to $400 at camping world, The RV 500 is $900 +. I will probably go with the Atwood as my replacement WD.

Don


http://www.precisiontemp.com/Manuals...stallation.pdf
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Old 05-04-2007, 07:43 PM   #26
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Quote:
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Can you tell me what the difference is between the "Surface Mount Door" and the "Flush Mount Door" referred to on the RV-500 section of the Precision Temp website? Also does the brushed aluminum door look ok on the Airsteram?

http://www.precisiontemp.com/2007_Pricing.pdf
I used the surface mount on mine due to the different dimansions of the OEM Atwood water heater. The brushed aluminum looks great with the Airstream...way better than the old painted gray version on the old heater. I forget which one, but the RV-500 was designed as a direct fit replacement for either the Atwood 10 gallon or the Suburban 10 gal. The flush fit door is appropriate for that application ONLY!

Due to the extra width and lower height of my 6 gallon Atwood, I added 2 curved aluminum braces that matched the sidewalls to reduce the opening and trimmed about 1-1/2" from the top of the opening for a perfect fit. Everything was SikaFlexed in and now you couldn't remove the RV-500 with a bomb!!!

I'll post some shots when I get a chance to stop by the storage place where I keep the CCD.
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Old 05-25-2007, 08:08 AM   #27
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Thanks for all the good info. My trailer doesn't have a gas hot water heater (or furnace) now, and most of the cutouts where these things would have been, have been patched like the picture below. So I would be starting from scratch in terms of surface or flush mounting, so any photos from people who have this installed would be great! Also, where is the best place to order this tankless water heater?

Patrick
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Old 06-12-2007, 07:41 AM   #28
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So far the best price I've been able to find is $879 on the Precision Temp website http://www.precisiontemp.com/2007_Pricing.pdf

If anyone knows of a better place to purchace, or has some photos, let me know!
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