grey tank

  1. FLYAway1-iRV2

    Transfer from Grey tank to black tank?

    Hello Everyone! I hope everyone had a blessed Thanksgiving. We are staying in a location with electric and water hook ups—no sewers. We have had to pull the coach out once to dump the tanks. We seem to have the gray tank almost full with the black tank less than 40% as our normal pattern. We...
  2. MO

    Grey tank overflow

    On our recent trip to Colorado, we had a huge leak under our coach. It came from our grey water plumbing, but I’m not sure exactly where. My wife did two loads of laundry and the gray water tank was not open to the campground drain. So of course the gray water tank overfilled and it should have...
  3. BO

    Unexpected Gray Water Tank Filling While RV in Storage—Possible Causes?

    We purchased a 2022 2600RB a month ago. We went camping the next weekend to make sure all was good. We had really bad storms both nights. My bathroom grey water tank, 45 gal filled quicker than I expected after only two days and navy showers. I wasn’t concerned at the time. It has been...
  4. AP

    Issue with grey tank 90 degree outlet

    Hello! We have a crack on the inside on the 90 degree elbow for our grey tank, just before the valve. Can someone give me some guidance on how to replace this elbow? Im nervous about messing up the alignment and messing with the geometry of the turn. Thanks!
  5. CH

    Confusion over black and grey draining, help appreciated. 2019 Keystone Retreat 39MKTS (2 grey, 1 black)

    Something that should be simple has me a little confused. First year 2nd hand Retreat owner based at a permant site. Black tanks are drained by site owner every week, grey tank has a garden hose going into a french drain (see pics). I believe I have 1 black and 2 gray tanks So my neighbor let...
  6. TT

    Black and Grey Tanks Bulging

    Has anyone seen this before on their rigs? Both our black and grey tanks are bulging beyond the support bars. And if this was by design, the support bars, both steel, have no rubber cushion or anything protecting the tanks from the vibration when driving. As a result, we had to replace our...
  7. VI

    alante and vision 29s second grey tank

    The second grey tank (just 9 gallons) is just for the outdoor kitchen sink. It seems to me that the only reason it exists is due to the sink being behind the rear axle and the main grey tank being in front of the rear axle. However, the amount of waste it collects doesn't justify having it and...
  8. DO

    Dolphin grey water leak

    Hi. We are new to the forum, but have been rv-ing for over 20 years. Hopefully we are using the forum correctly, so here goes: We have a 2005 Dolphin, Model 6342, and we love it. Recently grey water began leaking from underneath the coach in front of the rear driver side wheel. I have removed...
  9. righellis

    Grey Tank Sensor

    Our grey tank sensor does a weird thing when temps get hot here in the desert. It gives erroneous readings regardless if empty or just has some water in it. Every day it gives low reading very early in the morning and very high readings around 6:00 pm when it is 90 degrees plus. Don't know...
  10. FA

    Grey Tank Error

    We have a 2024 Holiday Rambler Vacationer 35K. My main display shows grey tank error. Has anyone had this issue and what did you do to fix it. called tech support at Precision Circuits. They told me to take off the cover of the fuse panel in the cabinet behind the bedroom tv and ohm out the...
  11. CA

    Custom fresh/grey tank manufacturers?

    I'm looking to add 100gal of fresh and grey to my rig. It seems I can only find premade tanks, does anyone know of a custom manufacturer that'll make this to spec? I'm specifically looking for ones that are only a few inches tall but very long/wide
  12. LK23

    Grey Tank Flush Overflowing

    2022 New Aire 3545 With grey tank empty, I close the grey dump valve and attach a water hose to the grey tank flush to add water. I do this after dumping the black water to flush the sewer hose. When water is being added with the grey tank flush input, the grey tank overflow drain beneath the...
  13. RA

    Plumbing Issue - Unable to Drain into Grey Water Tank

    Hello! First time poster, here, so if I missed the solution elsewhere on the blog let me know! We have a 2025 Forest River Rockwood GeoPro (G15FDG). We’re out on a trip and suddenly the kitchen sink stopped draining. At the same time, the drain from the shower started filling up with water back...
  14. 32Leperchaun

    2015 Coachmen Leprechaun Grey tank sensor wiring

    I was able to buy the diode w/wires, that is exactly the same one that is still properly connected to the black tank, except...the red wire on the black tank is connected to not a red one, in a harness that is not present for the grey tank (not exactly the same). Does anyone know where the red...
  15. TH

    Vanleigh Beacon 34RLB Grey Tank Capacity

    Greetings to everyone @ iRV2 forums:greetings10: Reference: Vanleigh Beacon 34RLB tank capacities Black 45 gallons Fresh 70 gallons Grey 90 gallons ?????? In June 2024 my wife and I began a 2 year long adventure traveling to as many states as possible. We have not up to this point challenged...
  16. WI

    Grey tank leak

    So I did something bad. My RV has two grey tanks and one black tank. There are 3 pull handles, one for each tank. When I dump the tanks the 2nd grey tank (galley) never empties . I assumed the two grey tanks were connected somehow and I was draining them both when I emptied the other. Until my...
  17. RoaminFree

    Grey Tank reads Red even though it's empty

    Hi All. 2017 Anthem. Our grey tank is reading Red and full even though we have gone outside to ensure it is drained and emptied. Our black tank is normal. Any suggestions as to what might be causing this?
  18. JO

    Grey tank leak

    Vegas 27.7 2018. We have a small leak under the rv, looks like it’s coming from top of grey tank when we run the kitchen sink. We have checked under bed at pipes and it’s dry. We also have been getting a smell, but it is in the cupboard near the bed, checked vents all good. Has anyone...
  19. fredke

    What the Devil is this exterior port for???

    This is on a 1994 Jayco Cardinal 6 SD. It has the deluxe plumbing (toilet, shower, water heater, grey tank - and grey drain with typical pull up to release on the drivers side. I have figured out most all of the plumbing, BUT THIS. The above is how it's supposed to appear. It looks like...
  20. BA

    Grey tank drain valve

    The grey tank drain valve will not open and the tank is full. 2008 Dutch Star. The drain handle moves in and out but “assuming” the valve is not opening. Any suggestions as to how to drain the tank so I can replace the valve.
  21. LI

    Grey tank leaking

    I have 2018 KZ RK231 sportsman fifth wheel. During the last trip, I noticed Graywater smell so I changed the vent under the sink thinking it was bad but the smell was still there. I was filling up the grey tank at home and flushing it out when I overfilled up to the sink and water coming out of...
  22. TK

    Plugged grey tank. Ouch!

    Good morning. 2020 BSS 3014 I have a full, plugged grey water tank and I'm at a loss what to do. The valve is mid-frame and real hard to get to. I'm thinking of backflushing, but it may overflow. Anyone have any thoughts or suggestions? Thank you in advance. TK369
  23. DI

    Grey tank level indicator tapes

    Does anybody know were I can purchase the tank level tape? Mine are not doing so good anymore.
  24. Keith1

    Grey tank flushing

    Hello everyone I was wondering if there is a good way to flush the grey tank. I have a flush for the black but nothing for the grey. So,, how do y'all do it?
  25. Mark S.

    Grey tank odor

    I’m having grey tank odor in my 2013 34 TGA Open Road. The odor comes from the shower drain only. I have replaced the caps on all vent pipes, had both holding tanks power flushed. This odor happens after about 6 weeks when we winter in AZ. Have tried opening & shutting value to holding tank...

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