Troubleshooting Tips for a Leaking Thedtord Aqua Magic IV Valve

The Thetford Aqua Magic IV valve replacement is an important maintenance task for RV owners. The Aqua Magic IV is a popular toilet model used in many recreational vehicles. Over time, the valve in the toilet may become worn or damaged, resulting in leaks or poor flushing performance. To resolve these issues, it is necessary to replace the valve. To start the valve replacement process, it is important to turn off the water supply to the toilet. This can usually be done by turning off the water pump or closing the water line valve.

Thanks for the reply. I thought you might be interested in a message I received from Thetford the other day . [btw, the "middle of the flange" means where the bolts are, she clarified for me later]. Here it is:

Once I found the local RV place had one in stock, I closed the water supply, disconnected the two closet bolts at the base similar to the house toilet , and the lovely little thing lifted easily from it s mount. The bolt pattern of the two toilets would be the same the only problem is that the Aqua-Magic Style II is 9-1 2 from the middle to the back of the toilet, where the Aqua-Magic IV is only 7-1 4.

This can usually be done by turning off the water pump or closing the water line valve. Once the water supply is off, the next step is to remove the toilet. This can be done by unscrewing the bolts that hold the toilet in place and disconnecting any water connections.

Thedtord aqua magic iv vslve replacemenr

My 1999 25C Six-sleeper has the original low profile Thetford Aqua Magic IV that won't hold water at the blade valve seal. I have never liked this plastic toilet, so looking to replace it anyway, rather than repair. Has anyone ever replaced one of these with a Thetford china bowl toilet? If so, which one?

I need to stick with low profile and am looking at the Thetford Magic Style Plus. I am open to all thoughts and ideas. the A/S comes out of winter storage on Saturday.

One of the main issues with replacing the plastic toilets with ceramic bowl toilets is the distance between the center of the hole and the back of the toilet. On the one you mentioned the distance is 11" vs 7 5/8" for the plastic model. On my 25fb I don't have the space for 11". So if you have about 3 1/2" to spare between your current toilet then you should be able to upgrade.

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2008 Classic 25fb "Silver Mistress"
2015 Ram 2500 6.7L Cummins. Crew Cab, 4x4, Silver

My 1999 25C Six-sleeper has the original low profile Thetford Aqua Magic IV that won't hold water at the blade valve seal. I have never liked this plastic toilet, so looking to replace it anyway, rather than repair. Has anyone ever replaced one of these with a Thetford china bowl toilet? If so, which one?

I need to stick with low profile and am looking at the Thetford Magic Style Plus. I am open to all thoughts and ideas. the A/S comes out of winter storage on Saturday.

JC, did you ever replace the Thetford Aqua Magic IV? I want to replace mine with a ceramic toilet and was wondering if you have any advice (I have a Sunline Solaris, actually, but found your post just thru Google). I was worried about the comment Kelvin made about the different sizes of the toilets on the interior. What did you finally choose? Thanks! Aariel

Thanks for the reply. I thought you might be interested in a message I received from Thetford the other day . [btw, the "middle of the flange" means where the bolts are, she clarified for me later]. Here it is:

The replacement toilet that I would recommend would be the Style II. The bolt pattern of the two toilets would be the same the only problem is that the Aqua-Magic Style II is 9-1/2" from the middle to the back of the toilet, where the Aqua-Magic IV is only 7-1/4". You will need to make sure that you have enough space between the middle of the flange and the wall. If you do not have the space, the upgrade would be an Aqua-Magic V but that one does not come with the ceramic bowl.

If you have additional questions, please contact us.

Thank you,
Kari Nouhan
Consumer Service
Thetford Corp/Norcold Inc.
800-543-1219 Opt. 1

After the toilet is removed, the valve can be accessed. It is typically located at the bottom of the toilet bowl. The old valve can be removed by unscrewing it or using a wrench to loosen any connections. Once the old valve is removed, it is important to clean the area thoroughly before installing the new valve. The new valve can then be installed by following the manufacturer's instructions. This usually involves screwing or connecting the valve in place and ensuring that it is securely tightened. After the new valve is installed, it is important to reassemble the toilet, taking care to reconnect any water connections and tighten the bolts that hold the toilet in place. Finally, the water supply can be turned back on, and the toilet can be tested for proper operation. It is important to check for any leaks or issues with flushing. If any problems are detected, it may be necessary to troubleshoot and make adjustments as needed. Overall, the Thetford Aqua Magic IV valve replacement is a relatively straightforward process for most RV owners. By following the proper steps and taking care during the installation process, it is possible to restore the toilet's function and prevent any further issues. Regular maintenance and replacement of the valve can help ensure that the toilet continues to work efficiently and effectively..

Reviews for "Is It Time to Replace Your Thedtord Aqua Magic IV Valve? Signs to Look For"

1. John - 1 star - I recently purchased the Thetford Aqua Magic IV Valve Replacement and I am extremely disappointed with its performance. Not only did it not fit properly with my existing system, but the valve itself was very difficult to operate. The instructions provided were also unclear and did not offer much assistance. I ended up having to hire a professional to install it, which was an unexpected expense. Overall, I would not recommend this product.

2. Lisa - 2 stars - I had high hopes for the Thetford Aqua Magic IV Valve Replacement, but unfortunately, it did not live up to my expectations. The quality of the materials used is questionable, as the valve started leaking water after just a few uses. It was also quite tedious to clean and maintain. Additionally, the replacement part was overpriced compared to similar products on the market. I would advise looking for alternative options before considering this valve replacement.

3. Mark - 2 stars - I was excited to upgrade my RV's toilet with the Thetford Aqua Magic IV Valve Replacement, but it turned out to be a disappointment. The installation process was more complicated than expected, and the valve did not fit securely in my existing system. It constantly leaked, causing a mess and inconvenience. I reached out to customer support for assistance, but their response was slow and unhelpful. Overall, I regret purchasing this valve replacement and would not recommend it.

Step-by-Step Guide to Replacing the Thedtord Aqua Magic IV Valve