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Old 04-18-2016, 12:09 AM   #1
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Hot water tank 8312

Hello all,

I have a few questions regarding the HW tank and its operations.

When I first hook to city water I am aware I don't need to engage the water pump but what do I have to turn on to know I'm drawing water into the tank.? When will I know it's full enough to turn electric switch on? Does it default to LPG first or electric ? I'm a little confused but new to this and don't want to damage the elements or the tank.

Thank You
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Old 04-18-2016, 07:12 AM   #2
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I open the pressure relief valve slightly. It releases trapped air if any and if water comes out of it l know it's full and ready to turn on. Only after this do I fire up the heater.

Don't forget to turn your electric switch to off at the heater when done if you turn it on. That way you can't accidentally turn it on before you have water in it next time out.

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Old 04-18-2016, 07:22 AM   #3
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As chip said open pressure relief valve to fill tank, once full shut the valve.


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Old 04-18-2016, 07:46 AM   #4
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Quote:
Originally Posted by Lookin2camp View Post
Hello all,

I have a few questions regarding the HW tank and its operations.

When I first hook to city water I am aware I don't need to engage the water pump but what do I have to turn on to know I'm drawing water into the tank.? When will I know it's full enough to turn electric switch on? Does it default to LPG first or electric ? I'm a little confused but new to this and don't want to damage the elements or the tank.

Thank You
Howdy and welcome to the forums. Not knowing your model RV personally, I don't actually know what brand water heater you have, as there are a couple that Forest River uses, and each is a little unique.

If you have the Suburban model, this FAQ may help:

Suburban's electric switch and much more
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Old 04-18-2016, 08:14 AM   #5
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Thanks for all the helpful responses. We have a nice day ahead of us today and I'm going to get into it today. I'll provide feedback such as make, model of HW. Thanks for the Tips too


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Old 04-18-2016, 12:55 PM   #6
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I open faucets to get air out. I know pressure relief valve should be checked but if it doesn'the close properly better have a standby.
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Old 04-18-2016, 12:58 PM   #7
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I open faucets to get air out. I know pressure relief valve should be checked but if it doesn'the close properly better have a standby.


You should get in the habit of using your pressure relief valve, if you forget to un by pass your wh or one of the valves broke internally your tank won't fill but you'll still get water from the hot water side of the tap.
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Old 04-18-2016, 02:34 PM   #8
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Found a lot of helpful information and tips from you all. I'm having a hard time locating the cold hot and bypass Valves behind the tank. I can feel them just can't see all 3 .It's a small cabinet and space. Any other suggestions with that.? Click image for larger version

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Rockwood 8312ss diamond package TT


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Old 04-18-2016, 02:36 PM   #9
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I did turn the switch off on the tank outside, as the dealership left in the on position.


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Old 04-18-2016, 02:42 PM   #10
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I always turn the breaker off too just to make sure the switch doesn't get turned on without water. My last wh had a little cotter pin for that but my current one doesn't.


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