Question about Coleman Hot Water On Demand

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Coleman hot water on demand

It's brand new. I bought it in the winter but don't have the receipt. I followed the instructions for charging and cleaning and inserting the propane tank. The unit pumps the water fine, but it doesn't heat it. I can hear if firing up (I know the sound, I have a propane fridge). I depress the button when turning and hold it in for hot. Still the water doesn't even get warm. The water temperature doesn't change at all.

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  • x0xTeachx0x Oct 15, 2008

    Same exact problem, fires up and... no hot water

  • adambou Dec 30, 2008

    used this once on the first trip and it worked flawlessly and then tok it out one year later - waantee expred - and then had this same problem... water pumping though - wont ignite...


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Does anyone have a AC charger for the Hot Water Heater on Demand? I would be willing to buy one.

Posted on Mar 16, 2010

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Mine had the same problem - pumped water and you could hear the ignitor, but didn't heat it. I found the problem when I looked up through the "hole" in the top of the battery charger storage compartment. One of the leads of the high temperature sender had been pushed off by the 12v charger when I inserted the charger into the hole to "give me more room" inside the compartment. I reattached the lead and all was fine.

Shortly after that, the faucet became stiff to turn. I opened the case and found that the swivel joint had seized and while turning the faucet, I was also twisting the connecting tubing between the faucet and the heat exchanger. Now I have a broken pipe inside the unit. Try finding a repair part for that!!!

Posted on Feb 06, 2009

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Posted on Jan 02, 2017

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