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Old 02-06-2013, 05:27 PM   #1
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Question Jayflight water heater causing water issues

Hey guys, not sure the best way to explain this, but after much troubleshooting I've found that after heating up water and taking a shower for example the water suddenly loses all pressure and the only thing i can attribute it to is the water heater, as one time i thought to turn off the water heater, and the water pressured back up like nothing was wrong. [then other times, after losing water (pressure?) i go turn off the heater, and the water doesnt return]

Back info:
The trouble im having starts like this, say i've heated the water for several hours, im running a shower, the cold and hot water appear to be "fighting" for dominance, so much so that the shower head will usually only pump out cold water or hot, trying to get it "just right" causes the shower head to spurt and make all sorts of weird noises, then, if you leave it alone its fine, or choose a slightly colder or hotter setting,

but then, after say, 5 minutes of showering the water just loses all pressure. Sometimes, its less than that, sometimes i dont even have enough time to turn the shower on before it loses all pressure (water heater is still on) then i just leave the cold knob on and after 15-20 minutes i heard a loud "groan" and/or a repetitious sucking/thudding noise and water resumes to pump (both cold and hot)

then sometimes, i only heat the water for an hour or so, and everything is fine, im not certain yet if it happens after long stretches of heating or not whether that matters at all.

i think the hot water is being held up somewhere, i dont quite know how to explain it, and it just recently started happening.

Anyone ever had anything like this happen or know what this might be all about?
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Old 02-06-2013, 06:51 PM   #2
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Do the other plumbing fixtures act up also?

Is your shower fixture made like this?


Or, does it also have a lower spout? If so, does it do the same when using the lower spout?
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Old 02-06-2013, 07:01 PM   #3
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Air in the hot water supply line might account for it, particularly if the shower line has the longest run. Sometimes it is a bear to get all the air out of the hot side.
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Old 02-06-2013, 07:15 PM   #4
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Does this only happen with on board water, or does it happen also when connected to city water. Maybe a partially clogged filter?
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Old 02-06-2013, 10:59 PM   #5
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Does this happen at the sink taps as well. If not it probably is not the hot water tank. The washers inside the shower tap could be deteriorated. We had similar problem with house BR basin taps. New washers fixed it.
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Old 02-09-2013, 02:44 PM   #6
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yes this is happening at all faucet s in the trailer just started happening though.

shower faucet has nozzle and pull for shower or can run like a bath

im plugged into city water so the trailer seems to suck in a bit then has a hard time keeping it flowing it will run for two or three minutes wait make a water pumping noise then start again for a few minutes very strange as it just started out of nowhere

is the pump electric or should i check for damage there it seems to sound like an air/ pump issue and i doubt this water one has air in it because the outside water house works just fine

thanks,
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Old 02-09-2013, 08:57 PM   #7
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What is the flow like with just cold and just hot at each of the faucets? Do they flow evenly or does the spurting happen? Does the water system behave the same when on the onboard pump as it does connected to city water?
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Old 02-10-2013, 02:38 PM   #8
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Quote:
Originally Posted by Jayflight View Post
yes this is happening at all faucet s in the trailer just started happening though.

shower faucet has nozzle and pull for shower or can run like a bath

im plugged into city water so the trailer seems to suck in a bit then has a hard time keeping it flowing it will run for two or three minutes wait make a water pumping noise then start again for a few minutes very strange as it just started out of nowhere

is the pump electric or should i check for damage there it seems to sound like an air/ pump issue and i doubt this water one has air in it because the outside water house works just fine

thanks,
jf
Are you running on city water and also have the water pump turned on????? If so the water pump will suck air. Water pump should be turned off.
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Old 02-10-2013, 04:19 PM   #9
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Are you running on city water and also have the water pump turned on????? If so the water pump will suck air. Water pump should be turned off.
I agree. You don't run the pump when you are hooked to city water. I hope this fixes your problem.
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Old 02-11-2013, 11:59 AM   #10
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Isn't there a check/backflow valve on the back of the water heater where the hot water exits into the system? This could be acting up. Also, you might try draining the water heater, then as you fill it, open the hot side of the nearest faucet to allow air and gases to escape as the unit fills. And yes, NO pump with city water hookup. Let the city water pressure act as the "pump".
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