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Subject Topic: hot and cold water problems Post Reply Post New Topic
Personredflame100
20/7/2013 at 10:04am
 Location: Norwich Norfolk
 Outfit: Caravan View redflame100's Profile View Profile   Reply to redflame100 Reply   Quote redflame100 Quote  
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We have a truma water heater and mixer taps in kitchen and washroom. When running cold water we are getting a mix of hot and cold water - does anyone know what's causing this and how to fix it?
Thanks


PersonG7ACU
20/7/2013 at 11:31am
 Location: West Mids
 Outfit: Swift Ace Statesman & X-Trail 2.0 View G7ACU's Profile View Profile   Reply to G7ACU Reply   Quote G7ACU Quote  
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Does this occur in both kitchen and bathroom?
Has this always been the case or more recent?
Does the water go colder after running for a short while, or always mixed?

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Paul

Every day's a school day!


PersonAVON EAGLE
20/7/2013 at 12:57pm
 Location: Blackpool
 Outfit: Elddis Supreme View AVON EAGLE's Profile View Profile   Reply to AVON EAGLE Reply   Quote AVON EAGLE Quote  
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I think I know what Paul is thinking - Has this only just occured in this hot weather ?  It could be the pipes near the side of the van are getting warmed by the sun. Or the aqua-roll water is getting very warm in the sun.

17


Personredflame100
20/7/2013 at 6:16pm
 Location: Norwich Norfolk
 Outfit: Caravan View redflame100's Profile View Profile   Reply to redflame100 Reply   Quote redflame100 Quote  
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Good thinking but unfortunately not the case - it happened the last few times we've used the van but it when you run the water it goes from cold to scalding hot snd back to cold etc whilst it is running on the cold.

It is both kitchen and bathroom taps doing this and its cold here today so def not the sun (as we haven't got any in Norfolk today! ).


PersonG7ACU
20/7/2013 at 9:14pm
 Location: West Mids
 Outfit: Swift Ace Statesman & X-Trail 2.0 View G7ACU's Profile View Profile   Reply to G7ACU Reply   Quote G7ACU Quote  
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That was one thought Avon Eagle, but some folk have also experienced similar issues because their hot pipes have been tie-wrapped to the cold and caused heat transfer.

What water heater do you have Redflame? Now you've confirmed how bad this problem is, it sounds like a non-return valve has failed in the heater inlet, causing the heated tank water to flow back into the cold circuit.

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Paul

Every day's a school day!


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Personfirebasher
20/7/2013 at 9:19pm
 Location: West Yorkshire
 Outfit: Land Rover DiscoveryCoachman VIP 535 4 View firebasher's Profile View Profile   Reply to firebasher Reply   Quote firebasher Quote  
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I had this same problem under warranty. The solution was to fit a non return valve, I believe in the cold water feed line to the water heater, and a further drain off valve for the water heater. When I reported this fault to the dealer, they knew immediately what the problem was.

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Smoke alarms save lives!


Personredflame100
22/7/2013 at 5:42am
 Location: Norwich Norfolk
 Outfit: Caravan View redflame100's Profile View Profile   Reply to redflame100 Reply   Quote redflame100 Quote  
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Thank you - this sounds like it could be the problem. We have a truma water heater.
We have a good caravan man so sounds like a job for him.



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