RTO Atwood DSI-RV Water Heater-6 Gallon Logo

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Posted on Feb 02, 2010
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Have no hot water flowing at all from my Atwood hot water heater. cold ok tank full?

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Kelly

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  • Master 3,740 Answers
  • Posted on Feb 02, 2010
Kelly
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Joined: Jan 01, 2010
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Hi and welcome to Fixya.

Here are 2 manuals that should help you in troubleshooting your RV hot water problem.

Multiple times there is a ref. to resetting the reset switch for 30 seconds on the unit (cover removal required)

For the ignition:

http://www.atwoodmobile.com/manuals/waterheaters/MPD%2093757%20PS%2011.19.07.pdf

For the water heater:

http://www.atwoodmobile.com/manuals/waterheaters/MPD%2093050%20PS%204.9.09.pdf

The manuals as written are full of warnings mixed in with meaningful text. (Not user friendly)

  • Kelly
    Kelly Feb 03, 2010

    Hi again, Correct me if I am mstaken but am I reading that you have no water flow at all? If so your probably going ot have to remove the bottom outlet fitting from the hot water tank and clear the debris blcoking the outlet hole. What happens in hot water tanks that sit for long periods it that the uppet parts of the tank where the air is break down and drop particles into the water, Those particles will gather at the tank exit point and it sounds as if your hot water tank outlet is blocked. Once you remove the fitting you can probably clear it with a philipps screwdriver. I would puge the after clearing theoutlet holas not to have wha tyou cleared clog up your kitchen sink and bathroom plumbing water faucetts or the toliet fill valve if you have that type of water closet.

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1 Related Answer

co7196

Ned C Cook

  • 3433 Answers
  • Posted on May 24, 2009

SOURCE: Intermitent heat from Atwood 10 gal marine water heater

Water level safety shutting down heat source

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Tank full of hot water,faucets deliver only cold,water trickels into tank with rapid intermittend pump action

1) Copy following link:
http://waterheatertimer.org/Crossover.html

2) Add comment with clear description of water heater, fuel type, and pump?
Is this a pump problem or water heater problem?
Is this a water well pump?
Are you getting good stream of cold water at tap?
Which water heater do you have?
Is the heater new?
Or older heater that stopped working.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

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ATWOOD WATER HEATER

you will need to have a 115 curent for electric, run a line off the panel box, turn off water to the house drain it down, disconnect the lp gas line and cap it off, remove the water heater, install the new heater run the cold side water to the cold side {blue on the heater} the hot side to the red, take the cover plate off on the water heater run the wires, hook up the groung wire then the red and white wires to the wires comming off the panel box,, fill the water heater with water have a open faucet on the hot side, and bleed the air out, DO NOT TURN ON ELECTRIC TILL THE AIR IS OUT OF TANK AND WATER IS FLOWING THRU COMPLETELY, after you get water commming out of the faucet turn it off and turn the electric on to the water heater ,, wait about 30 min, you will have warm after an hour it will be hot and you are done,, good luck write me if you have questions, [email protected]
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