Question about Reliance & 40 Gal Mobile Home Water Heater

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No water coming out of carver cascade water heater

Have changed the return valve still no water coming out of hot taps, the water in the tank is getting hot

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  • davies_famil Jun 21, 2009

    have solved the problem now thanks anyway for forword in information the pipes were all blocked thanks again

  • drpplumbing May 11, 2010

    Is there a stop tap in front of the cold water supply?

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  • 332 Answers

Is the cold side hooked to the cold side if not you will be feeding the unit backwars making it to where the cold is just comming across the top of the tank, check the dip tube also, this makes the cold water go to the bottom and push the hot out of its outlet,, how many faucets are involved, if just one might want to check the cartridge to make sure it is working properly

Posted on Jun 21, 2009

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1 Answer

No water coming through the hot taps


Is there water in the hot water tank?.... As in... Is it a new tank?... Tank was filled?... Water come out the drain spigot at the bottom of the two? And the supply v valve... (Bringing for water into two).. Is turned on?
Are the any valves shut off leading away from the tank that never were opened?
Or is it an offer tank that just suddenly stopped
Please tell us more so we can help.

MB

Apr 19, 2014 | Water Heaters

1 Answer

I have an Atwood water heater G6A-7E, heater heats up but no hot water flow after 15 seconds...Flushed system with water and air, put water to it and the hot water flow stops after a few seconds....


First check that any by-pass valves are in proper position. Remember, cold water has to enter in bottom fitting at back of tank, and hot water comes out at top fitting. Thus any valves that may be there, need to be in open position, and any valve between those 2 lines will need to be closed. If all valves are in proper position and working as they should, I would suspect you have a faulty check valve between top (hot) line fitting and tank. One easy way to check that before replacing it, would be to shut incoming water source off, whether running off pump or hose attached outside. Then relieve all pressure in system by opening taps until all pressure is gone. Now, go outside and open pressure relief valve carefully ( in case it's hot ) and make sure pressure is relieved there as well. Now, carefully hold pressure relief valve open while you have someone turn water back on, and see if you get good flow from pressure relief valve. If you get good pressure coming out of there, that tells you your tank is getting full, and you have water coming in as needed, so problem has to be on hot side ( top fitting ) and/or onward from there, which would be check valve fitting at top next to check. Remove the check valve and If you don't have a new check valve to try it, just put a short galvanized 1/2" pipe nipple in there for now if needed and that should do it, just attach your fitting directly to nipple. Before you do this, make sure you have removed all aerators etc on taps that may be plugged and tested pressure that way as well just in case. I have seen all of them plug up at same time before. If you remove them and get good pressure, then problem solved.

Nov 06, 2011 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

No hot water coming out of tap but we do have cold water out of cold water tap...any suggestions??


Check your by-pass valve(s) at back of water heater. Water goes in cold to bottom fitting, and out hot at top fitting, so those 2 valves ( if any) need to be open, anything in between needs to be closed. There are a few different by-pass set-ups, so if that doesn't explain it, get back to me with a description of your valve set-up and I'll guide you through it. If valve(s) are all in proper position and still no flow through hot line, I'd suspect faulty check valve in between hot line connection and tank.

Aug 07, 2011 | RTO Atwood DSI-RV Water Heater-6 Gallon

1 Answer

Only about a cup of hot water will come out, then it gets cold.


You need to check 2 things. First, go outside and carefully open pressure relief valve at top of tank,(careful in case hot water spurts out) and make sure there is water in it. Second, look at back of tank inside RV and check your by-pass valves(s) for proper positioning. Cold water enters the water heater at the bottom fitting, so that valve has to be open, as well as leaves water heater at hot fitting at top of tank (the highest fitting) so that valve as well needs to be open. Any valves that may be in between those 2 water lines need to be closed. I am assuming that the heater starts runs, shuts down etc, just not running any hot water through hot side of taps, correct?

Jan 18, 2011 | RTO Atwood DSI-RV Water Heater-6 Gallon

2 Answers

Carver cascade 2 No water at all comes out of the hot water outlet. The inlet non return valve has been changed & is working correctly.


Check the tank drain valve for water there.If you get a good water flow there you know the tank is getting water pressure.Check the first outlet downline from WH and if there is no water there you have a blockage or other problem.If you have to turn off water to tank, remove the outlet pipe ,and check for water flow from tank with in valve on.If no flow, tank is plugged up.
Hope this gets you going.

Oct 06, 2009 | Reliance & 40 Gal Mobile Home Water Heater...

1 Answer

WHEN MY WATER TANK IS COLD AND I TURN ON THE HOT WATER TAP THE WATER FLOWS FREELY BUT IF I HAVE THE ECONOMY 7 ON OVER NIGHT THE TANK GETS HOT BUT NO WATER FLOWS OUT OF THE TAPS. I LIVE IN A HARD WATER AREA


You may need to replace the tap.hot water is causing the valve to expand and yours may be using a rubber seal inside which is causing expansion and hence no hot water is allowed through it..Trust me on that..

Aug 27, 2009 | Water Heaters

1 Answer

No stop tap. cold water coming through cold taps in caravan but no hot water the carver cascade water heater is getting the water hot but it just wont come through the taps in the shower room or kitchen in...


your pipes are clogged, what if you were to not turn on the cold and turn on the hot does any water come out at all, with just the hot side turned on,, if not there could be a valve that has been turned off, or the pipes are clogged

Jun 17, 2009 | Reliance & 40 Gal Mobile Home Water Heater...

1 Answer

No water coming out of hot water taps, water is getting hot in the tank, we have changed the non return valve it izs a cascade 2 that is whot it says on the outer cover of the caravan


I'm not sure I have the whole picture here but When water simply will not flow from a tank your first guess that it is a faulty valve was a good one. While you had the valve off did you turn on the water briefly to verify that it flows well at least up to where your valve was? You may have to do this test. The clog could be right at the tank itself. Before you open up the pipe again first look for anything steel. I have found steel plugs screwed into an old threaded outlet on a pipe that has, over time, produced a large rusty blob that has blocked the flow of the water. If there is nothing like that going on you will have to open up the pipe. By the way, if hot water flows at any other locations, like the tub, then you know that the problem is not at the tank. you have to figure out where the blockage is by a process of elimination.

Jun 16, 2009 | Water Heaters

1 Answer

Water pump does not work when i turn on hot water tap


Since the cold water works, the problem is not the pump. Look for a blockage or possibly a major leak in the hot water system. if you have a kitchen sink and bathroom sink, are both hot water outlets not working? Does the water heater have shut off valve , or is its drain still open from when you winterized it (and the water running out to the ground instead of to the faucet?

Apr 22, 2009 | Water Heaters

1 Answer

Hot water out of taps is not very hot.


What is hot? Above 122F causes scald within 30 seconds. Get a temperature reading at tap. Use a candy thermometer if need be. If you want 140F water then your gas valve needs replacing.
In most code areas it is now illegal to deliver tap water over 125F to a consumer faucet.
You may love 140F but you jeopardize kids and Seniors.

Mar 03, 2009 | Honeywell Water Heaters

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