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06-23-2013, 01:59 PM
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#1
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Member
Name: geoff
Trailer: bigfoot
Saskatchewan
Posts: 56
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newbie hot water question
Hi everyone! I have been trying out the appliances in our Bigfoot today, and have a question about the hot water. I got it fired up and there was definitely warm water quite quickly but I don't see a water tank anywhere... Is there one or is it like instant hot water? I didn't want to leave it running too long, I just ran it for a couple minutes. If there's a tank then I guess I will need to just leave it run for a while to heat it up.
Do people usually light it and leave it on the whole trip, or just light it as you need it?
Thanks!
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06-23-2013, 02:21 PM
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#2
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Senior Member
Name: Derek
Trailer: 1973 boler 13', Earlton On
Ontario
Posts: 396
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A typical RV hot water tank is probably 6 gallons (though you can buy them bigger). You don't need a huge space for a 6 gallon tank. As for running it while on the road, we risk the potential debate about whether its safe to do this or not. Kaboom? You may find that the airflow from travelling blows out the pilot making the question irrelevent anyway.
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06-23-2013, 02:28 PM
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#3
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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We don't know what kind of tank or heater you have, but, if it is like mine, it holds six gallons of water and keeps it hot for hours without the heater turned on. I turn it on for about half an hour and that's it for the day, unless I'm gonna have a shower.
But, most important is that you never turn it on without water in the tank. You will burn it out in minutes.
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06-23-2013, 02:38 PM
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#4
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Member
Name: geoff
Trailer: bigfoot
Saskatchewan
Posts: 56
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Would I have to fill up the hot water tank, or will it fill itself from the main holding tank?
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06-23-2013, 02:46 PM
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#5
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Senior Member
Trailer: 1988 16 ft Scamp Deluxe
Posts: 25,822
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In my trailer, the fresh water tank only goes to the pump for the sink. The best way to determine what's happening in your trailer is to look at all the water lines. Who knows what a former owner may have done. But as has been mentioned before, you don't want to turn on the hotwater heater without water in it!
__________________
Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
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06-23-2013, 04:52 PM
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#6
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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If, since I don't have a Bigfoot, if you have a hatch on the outside of the trailer to access the anode for the water heater, you will see a pressure valve. If you open that while the trailer is hooked up to city water, you will get water gushing out. That tells you the tank is full. And, on mine, the water comes from the fresh water tank when not connected to city water.
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06-23-2013, 05:08 PM
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#7
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Member
Name: geoff
Trailer: bigfoot
Saskatchewan
Posts: 56
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Awesome. I texted the previous owner and he confirmed that it does draw from the fresh water tank.
Thanks for the help. Next weekend is our first trip with her and I'm glad to know that there are experienced people here to ask when I have questions! Assuming I have cell coverage ;-)
Geoff
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06-23-2013, 05:19 PM
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#8
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Senior Member
Trailer: Boler (B1700RGH) 1979
Posts: 5,002
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Quote:
Originally Posted by spartacus
I texted the previous owner and he confirmed that it does draw from the fresh water tank.
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Or, more accurately, that the freshwater pump pushes water into the water heater, as well as to the cold water line to the faucets.
There is usually a set of valves around the water heater which allow it to be bypassed and isolated from the water supply, or connected so that it is filled with water and can be used. I would make sure that any such valves are in the right position, and any air in the heater has been purged out, before turning the heat on.
__________________
1979 Boler B1700RGH, pulled by 2004 Toyota Sienna LE 2WD
Information is good. Lack of information is not so good, but misinformation is much worse. Check facts, and apply common sense liberally.
STATUS: No longer active in forum.
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06-23-2013, 05:29 PM
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#9
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Member
Name: geoff
Trailer: bigfoot
Saskatchewan
Posts: 56
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Quote:
Originally Posted by Brian B-P
Or, more accurately, that the freshwater pump pushes water into the water heater, as well as to the cold water line to the faucets.
There is usually a set of valves around the water heater which allow it to be bypassed and isolated from the water supply, or connected so that it is filled with water and can be used. I would make sure that any such valves are in the right position, and any air in the heater has been purged out, before turning the heat on.
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I did notice a valve to the heater and checked that it is on. How would I purge any air out?
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06-23-2013, 05:39 PM
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#10
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Senior Member
Name: Jack
Trailer: '98 BURRO 17WB
Delaware
Posts: 2,548
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Spartacus, opening the hot faucet at any sink or shower line will purge air from the hot water tank. When the faucet ceases to spit air and cold water by turn, the tank is full and the heater pilot can be lit.
jack
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06-23-2013, 06:02 PM
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#11
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Member
Name: geoff
Trailer: bigfoot
Saskatchewan
Posts: 56
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Quote:
Originally Posted by rabbit
Spartacus, opening the hot faucet at any sink or shower line will purge air from the hot water tank. When the faucet ceases to spit air and cold water by turn, the tank is full and the heater pilot can be lit.
jack
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Thank you!
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06-23-2013, 06:57 PM
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#12
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Senior Member
Trailer: Boler (B1700RGH) 1979
Posts: 5,002
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Quote:
Originally Posted by spartacus
I did notice a valve to the heater and checked that it is on.
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A bypass valve system has three on-off valves, or two directional valve, which must be used in the right combination. There might be more valves to check, and of course they might already be in the right position.
Quote:
Originally Posted by spartacus
How would I purge any air out?
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As Jack says, the air is easy to purge out a faucet... although I get most of it out of the relief valve on the heater first. I suggest staying with just the faucet until you are familiar with the parts.
__________________
1979 Boler B1700RGH, pulled by 2004 Toyota Sienna LE 2WD
Information is good. Lack of information is not so good, but misinformation is much worse. Check facts, and apply common sense liberally.
STATUS: No longer active in forum.
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06-23-2013, 07:08 PM
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#13
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Senior Member
Trailer: Escape 17 ft
Posts: 8,317
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Quote:
Originally Posted by Brian B-P
As Jack says, the air is easy to purge out a faucet... although I get most of it out of the relief valve on the heater first. I suggest staying with just the faucet until you are familiar with the parts.
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See Post #6 pic.
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06-23-2013, 08:22 PM
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#14
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Senior Member
Name: Kathy
Trailer: 2017 Escape 19
Washington
Posts: 600
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We usually light our hot water tank when we get to our campsite and leave it on as long as we're camped there. We turn it off when going down the road. The water will stay hot for quite a long time, certainly for the time it takes to travel from one place to the next. Sounds like you have the type of hot water heater that you can ignite with a switch from inside your trailer. If you didn't you'd know because you'd have to go outside and access it from a panel on the outside of the trailer to light the pilot light and turn it on. Check both sides of your trailer for the access hatch to your hot water heater. Ours is on the street side of the trailer. It's a good idea to know where it is!
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