Fresh water drain lines valve added 2023 Micro Minnie 2108TB

[OnTheGo]

On the 2023 Micro Minnie 2108TB the fresh water drain line valves are hard to reach. They are located on the floor in a cabinet without a hinged door. The cabinet is secured with a panel that's screwed on.

I added plastic valves to the end of the drain lines (outside) and left the stock valves open. It's a quick, easy, and inexpensive mod.

 

[Kinnerrl]

I was wondering if that would work with the valves open if there was a possibility of a pressure leak. I bought two valves and was going to cut the lines inside the cabinet and put an elbow in the line where the small valve was underneath like you did. So tomorrow’s job put the valves under the trailer and leave the valves open! Thanks you saved me a bit of time!!

 

[Wmlunt-WO]

Mine came with a valve as you have made from WBGO, but they used a flange mount one just hanging down, not sure if that was the stealership fixing something.
I do like the metal squeeze clamps you used, good job, although the red one seems a bit high?
Mine was dripping so I bought a double barb one, then when getting ready to change it I see that they did not close the valve all the way!
Goofy that some valve levers are in-line and some are perpendicular to the flow, and not even consistent - geez!
Only thing I don’t like is that it is a 2 hand operation, maybe the valve is too stiff… and junk seems to fall down onto the opening and slow the flow.
Bill

 

[OnTheGo]

Mine came with a valve as you have made from WBGO, but they used a flange mount one just hanging down, not sure if that was the stealership fixing something.
I do like the metal squeeze clamps you used, good job, although the red one seems a bit high?
Mine was dripping so I bought a double barb one, then when getting ready to change it I see that they did not close the valve all the way!
Goofy that some valve levers are in-line and some are perpendicular to the flow, and not even consistent - geez!
Only thing I don’t like is that it is a 2 hand operation, maybe the valve is too stiff… and junk seems to fall down onto the opening and slow the flow.
Bill

All the trailers I have owned in the past had external plumbing line drains stock from the factory, and were easy to reach. ... don't know why the change. (This is the first WBGO product I've owned.)

The red one is higher than I would have liked (good catch), but the fitting was long enough it made a tight connection. (Being a stiff-old man I'm no longer capable of squating down to to that level, so made the connections lying on my back.) When I was done, I hooked up the city water connection without a pressure regulator and there were no leaks.

... agree with your valve handle position comment. It's a pet-peeve of mine. It's such a simple concept for the handle to be a flow indicator.

 

[Kinnerrl]

The picture you looked at was not mine. I haven’t installed the outside clamps yet. Haven’t got around to it but soon.
I’m not a tech guy so I find it difficult to find things or get back to the ones I’ve posted. One day I’ll figure it out!!

 

[nandoICUrn]

can you please tell me the size of the valves? 1/2 inch? or less?

 

[IdahoHunter]

I wonder if they put the valves inside to protect against freezing temps. This is the reason for the conditioned space below the floor and tank heaters. With the valves located outside, they are directly exposed, and they would freeze. However, I like the convenience, and if a person was going to camp in freezing weather with water onboard, you could just open the exterior valves while keeping the interior ones closed.

 

[Morich]

Rather than change the plumbing when I have had valves inside, I changed the access panel.
I did not want to increase the chance of freeze damage with outside plumbing.
My access change was pretty simple as I removed the screws and added magnetic catches to hold the thin plywood cover.

 

[Jay Tea]

Both are good modifications. I'll do both (exterior valves and hinge access panel). If not in freezing temps, use the exterior valves for convenience. If freezing, leave the exteriors open and operate the interior valves.

 

[OnTheGo]

can you please tell me the size of the valves? 1/2 inch? or less?

They are 1/2".

 

[OnTheGo]

Rather than change the plumbing when I have had valves inside, I changed the access panel.
I did not want to increase the chance of freeze damage with outside plumbing.
My access change was pretty simple as I removed the screws and added magnetic catches to hold the thin plywood cover.

I usually do the same to any cover secured with screws, only I use Velcro. I think WBGO used screws on this one is because of the electrical box inside the compartment.

Edit: Regardless of the cover, the main reason I made that mod was to be able to reach the valves.

 

[OnTheGo]

Afterthought about the application: I don't use screw type hose clamps with PEX. In this particular application it might work.

 

[ChrisRiley]

Here is a picture of the area under the bathroom sink in our 2024 FLX with Truma water heater. I was searching for the low point valves and expected to find two. Notice there are three in the pic. Does anyone know what the third one is for?

 

[ChrisRiley]

BTW, I looked under the RV and found the blue and red outlet for the hot and cold low point drains. There was not an outlet for the mystery drain. I can't help but wonder where th water would go if I opened that mystery drain valve.

 

[Morich]

We don't get the full drawings for the trailer group but one idea might be that they tee two of the tubes together before dropping out where you can see them?
Seems it would be easier to just drop three tubes all the way out but that is from a guy who never builds RV! I fall back to them being better at it!

I would have to play with the valves and see what they do!

 

[ChrisRiley]

Okee Dokee... I looked in the Truma installation guide and discovered some serious engineering. There is a circulating pump in the AquaGo Comfort Plus that keeps the water in the hot water lines hot. The theory is if you have instant hot water, you'll not have to run water waiting for the hot to arrive, thereby saving water. Brilliant. The third low point valve in my picture is for draining the third line coming from the water heater. I still don't know where the water will drain to. I can only assume that it's teed into the one red low point drain under the floor. Not an experiment I'm willing to run.