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Old 10-03-2014, 09:44 AM   #1
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1982 34' Limited
London , Ontario
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On demand water heater

Is anyone using one and if so does it work well

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Old 10-03-2014, 10:40 AM   #2
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1960 33' Custom
Saskatoon , Saskatchewan
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Yes and yes. I put the precision temp marine version in my previous trailer and apart from the extra cost it's all win win.

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Old 10-03-2014, 12:19 PM   #3
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1966 22' Safari
Weatherford , Texas
Join Date: Jun 2008
Posts: 1,146
Precision Temp 500. Pricey, but wonderful!
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Old 04-30-2015, 05:44 AM   #4
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1989 35' Argosy 5th Wheel
1979 rgosy 27
Danville , Vermont
Join Date: Apr 2009
Posts: 74
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I am using the unit that fits into the location of the atwood tank heater. Purchased from PPL RV. This unit also has external flange and door that is customized to replace the original heater for original look. I like it but have had two issues. I had the single mixing valve in shower, and this does not always allow the proper flow to keep the heater on. I had to change that to a separate cold and hot water fixture. Second, I am now exploring if the gas supply needs modification. It is at the end of the gas line with 3/8ths tubing. I suspect it is not getting full 11"wc so it has had it's moments of intermittant heating. I am still glad I switched for weight and LP efficiency. Did not know about precision temp marine unit.
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Old 04-30-2015, 12:18 PM   #5
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2007 22' International CCD
Corona , California
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We use a precision temp 550. No change to propane piping needed. Was able to relocate line to fit new HW heater. Only issue I've had was running low on propane or low water flow due to a crap external regulator.

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