Problem With The Motorhome Water Heater Part 2 

Just ordered both inlet and outlet connectors and pressure release valve all of which were white and all snapped off like your did.....small drill bit soon got them out though. Thanks for taking tge time to film this....very helpful. I have a saying....you have either got to be Rich or Resourceful....and I ain't Rich. Lol

Brilliant! Thank you so much for this. It made me realise where I'd gone wrong in reconnecting.

Brilliant . Really easy to follow your comments and video. Cheers from Australia

Thank you for this. You just helped me repair mine.

The new type pressure valve have a 1/4 turn vent built in to help when draining the tank. Drill a clearance hole in the corner of the cover so you can turn it when needed.

Hi Alex, just had a problem with my hot water system, it would not switch on, (red & green light) found it had a split in the hot water connection, snapped at where it screws into the burner, so had to take it out as it was leaking water all in the compartment, now it can dry out, so while it was out I gave it a good service, it was fairly clean really, so when the adapter turns up then I can refit it back in place, started off going to replace the exhaust rubber mounts, when I came across the water leak, so rubber mounts will have to wait.

Same thing happened to me when removing the pressure relief valve. I used the hot knife bit on my gas powered soldering iron to carve through the plastic down to the thread opposite sides. Large flat bladed screwdriver then managed to free it. I did try a large easy out first and it just chewed the plastic up. Handy tip with the new valve, i did wonder if it would fit as it looked a bit different. Not sure if i missed the new o rings on the burner box. You seemed to just fit it without any mention.

Hi Alex, I don't know if you have watched this video back, but when you do, look at the little meter behind you while listening to the pump, you will see both lights on, and when the hot water tank if full and the pump goes off then you will only have the one green light on,, when you drain the air out of the system, both lights are on, until you turn the taps off, then you only have a green light on.

To remove any of the several plastic studs which may have sheared off on these heaters, heat the end of a large (old) screwdriver with a blowlamp, or your gas ring if you move fast, and ram it into the end of the broken end. Pull it out quickly and let the plastic and the screwdriver cool down. You now have a slot to turn it with and the heat will have helped to break the seal where they have grown together. A further thought. The loose plastic button on the end of the pressure release valve, is as you surmised to hold it open, to release the air and aid draining down. The later outer cover has a cut out to accommodate this. you may be able to drill the older cover in the top left corner and so use the release cap.

Great help, thanks

Alex, you do have the right pressure release valve, but you need to do what I have done, and that is ream out a bit of the outside cover on the side and a little bit on the top, as I did not want to take the end off of the valve, I will do a short video when my burner comes back from Arc Systems along with some other bits that might help someone. Hope you have not thrown that end bit away as that is to direct the water to one side in order NOT to scold you should you be in front of it

Hi Alex, typical of what most of us go through I think, I know this is an old video and you may have moved on from that but have you thought of uprating to the duel fuel one. Runs on electric also for the odd time you have electric or at home when cleaning, I found one at a breakers and changed the tank for the electrivc version when I had that system, a couple of vans back.

Int RU-vid great. thank you my friend, a humeorous and friendly lot of help. Saving me a lot of money on my old mohome.

Great work my friend, can you tell me where you sent the burner to be refurbished as I have followed your instructions and the tube in the burner has rusted away at the right hand side where the gas comes in.

You done well,there would have been much more swearing if I was doing it hahahahaha

Hi I'm Deano from skelmersdale Lancashire. Its Saturday 25 July 2020 iv been watching your cascade water heater with interest iv replaced my whole unit and mine is also working good. But I have an older Caravan. Have you still got your motor home? And is everything still working fine ? Where are you from

thax it is very helpful video.

rock on brother

14.39 time stamp. How do you fill the cylinder without activating the gas/switch on the cascade? Is it open the hot (or cold) taps and let the air out?

Thanks for the video. I've just replaced my pressure relief valve, it had cracked and seems to have been the cause of some strange behaviour from the water heater. As the body of the valve fell off as soon as I touched it, I heated a screwdriver up to make a "slot" in the screw thread then, when the screwdriver had cooled, I used it to unscrew the thread. When putting the new valve body in I found that it was very tight and even using grease and oil I had to use a surprising amount of force to get the new valve in. Did you find the same? .

I'm going through the same thing with my carver water heater, cascade 2....what I can't get my head around is that you never seemed to connect any gas up to the new burner?? .. Is the gas connected a different way??....

Hi, i'm looking for some advice please, I have a 1991 talbot voyager, every time i turn the taps/pump on, water pumps out from the pressure release valve (some water does come out of the taps too), i've changed the valve for a new one, and its made no difference, what else can i try? if its a boiler issue, can i somehow bypass the boiler, i'd be happy with cold running water,,, which would be better than my water pumping out of the relief valve lol

Hi can I get the details of where you got it refurbished please.

Hi. I may have missed it but who supplied the overhauled burner?

well done

thanks, helped us a lot.....replaced with a new one :)

Hi we get hot water if we use the battery but wanting to use the gas bottle to heat the water up can’t seem to get to the burner to ignite also who do u get the refurbished the burner as would like to use he same person

Don't under any circumstances use a stud extractor to remove a broken pressure relief valve the taper of the the stud extractor just locks it into the heater body even more and the next thing you will hear will be the sickening crunch of the outer body snapping speaking from experience you went about it the correct way by accident and saved yourself a whole lot of hassle and money

Is this a carver cascade 2 .?

hi every one i had a problem the green light was on control panel but nothing worked i found the fault to be the quick blow fuse in control heater circuit board broken not blown 20mm 1 amp 250 volt fuse

Use a box spanner and it will ease out

can i ask how much the refurb cost ?

Hi Alex great video of your water heater could you send me the address you sent yours of to and price they charge thank you. Pat

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At 3:51 a huge rat seems to have scuttled past!

you should try The Loire Valley through France it's fantastic great views just come back

are you going to get another cat so sorry to hear about yours