tankless

  1. MA

    Winterizing, a Girard GSWH-2 Tankless Water Heater and Good Sam Club

    The wife and I pull the Miramar out of winter storage. She loads it up with all her goodies. We load our clothes, food, etc. We're off for the 1st trip of 2026. Get to the campground. Connect the sewer, electric, water. Level the coach. Extend the slides. Close the shower valves, the sink...
  2. CO

    Tankless Water Heater Shuts Off When Mixing Cold Water

    Got to the park today on our first trip of the year and went to turn on the shower, but I’ve got 60psi at the tap. Water heats up but when I mix cold flame icon shuts off????. No longer heating 2021 Jayce Seneca
  3. JT

    Upgrading to Tankless Water Heater in Grand Design Imagine 3000QB

    I just recently purchased a 2019 grand designs imagine 3000qb . It currently has a 6 gallon gas only water heater . I’m looking at replacing it with a tankless . Has anyone ever done this that has a few tips on it ? Also wondering where would be the best place to mount the controller for ease of...
  4. FR

    Why Is My Tankless Water Heater Fan Cycling in Storage?

    I have a 2026 337 with a tankless water heater. the trailer is in storage hooked up to shore power with propane off and the water heater also off. When I was over there today it sounded like an exhaust fan running where the water heater exhaust is. It doesnt run continuously but cycled on and...
  5. 1590Denny

    Upgrading to Tankless Water Heaters and 12V Refrigerators: Real-World Pros and Cons

    We are considering tradeing or selling our 2019 25 ft. RBQ International Serenity thats in very good condition for a 2025 27th International FBQ. The 2025 International has a tankless water heater and a 12 volt refridgerator. I'm not sure that we would like those upgrades. We camp entirely at...
  6. Big_John

    Tankless Water Heaters for Full-Time RVers in Cold Weather: Real-World Performance

    I am wondering how full-timers are doing in super cold weather with a tank-less hot water heater???? ........
  7. Finally Able

    Girard Tankless Water Heater Not Reaching Set Temperature—Solved by Pressure Regulator

    Hi, we have a 2022 Precept with a Girard tankless which has worked just fine until this week. If we set the thermostat at, say, 124° to wash dishes, it will often stop at 106° (while the burner stays on). If we set it at 106° for a shower, it will only go to 102-104° again, the burner remains...
  8. OL

    Pros and Cons of Switching to a Tankless Water Heater in RVs

    Wanting to exchange the water heater to a tankless. Anyone know the best tankless water heater to get. I got a 2021 24rbs cabin cruiser. TIA
  9. CA

    Tankless Water Heater Flow Sensor Leak: Causes, Replacement, and Trip Concerns

    Initially I thought the pressure relief valve was leaking, but after a closer look it is the water flow sensor assembly that is leaking. This is causing water to not flow out the side of the camper and sit inside on the floor. Has anyone else ran into this issue? It looks like I can order the...
  10. DE

    Switching to Tankless Water Heater in a 2018 Vibe: What to Know

    I need advice my hot water heater has a leak under it so I was wandering if I get a tankless do I have to change any electric or fuses I have a 2018 vibe thanks
  11. BW

    2025 Globetrotter Tankless Water Heater: Elevation Fix Now Available

    I have mentioned, as have others, problems with Suburban tankless water heaters at failing at high elevation. I had a problem last fall, traveling in the mountains with my 2025 Globetrotter. Water heater failed quickly at elevations about 4000 feet. Disappointed with little help from dealer or...
  12. Slowmads

    Preventing Tankless Water Heater Freeze-Ups in Cold Weather

    We are experiencing below freezing weather in Texas. We had hot water last night, our furnace ran at 64° all night and when we woke up and tried the hot water nothing comes out. I opened up the inside access door there was a little water on floor front edge. I put a electric heater facing the...
  13. ST

    How to Quiet a Noisy Tankless Water Heater in Jayco 262rls

    We have a Jayco 262rls unit and the noise from our tankless water heater when in use is so loud that our camp neighbors are complaining about it! Anyone know if the unit can be quieted down?
  14. SC

    Tankless Water Heater: To winterize or not to winterize that is the question?

    The RV Dealer said my tankless water heater was broken. Not sure how. Maybe from the cold weather? Do you have to "winterize" a tankless water heater? Any insights? ~Thanks
  15. KE

    Furrion Tankless Heater and subfreezing temps

    We are new to the tankless water heater in RVs we thought we had it figured out. On our first winter trip with this new system the temps were low teens to high 20’s for two days. The water heater still works but will not heat above about 96 degrees. It worked fine on previous trips with temps...
  16. MO

    How to use a tankless hot water heater in freezing temperatures

    I am planning a work trip to eastern PA in March. My concern is the tankless hotwater heater may be exposed to below freezing temperatures. I was thinking of a heat lamp in the water heater area. I also looking for suggestions. What do you think?
  17. JO

    “Instant hot water heater”

    As I sit in my 2024 Flying Cloud 28’ rb, I continue to be stunned by how useless the “instant” hot water heater is. A complete piece of junk in a $100,000 trailer. After 17 years with the “old” hot water heater that worked perfectly in my 2007 International, I have had to suffer for a year with...
  18. reubenray

    Winterizing Questions?

    What pressure do I use for blowing out the tankless water heater and the water lines? I have read 30 and 40 PSI. Also how long do I run the antifreeze into the black tank flush valve?
  19. ST

    High Altitude Tankless Water Heater performance

    We've started thinking about a new trailer and are frustrated that most manufacturers have moved to on-demand water heaters. We've read plenty about their many shortcomings but haven't found much discussion by RVers who routinely camp above, say, 4500'. Would love to hear from anyone about...
  20. DA

    Tankless waterheaters

    Hello. Has anyone switched to a tankless on demand water heater in their TM? If yes, what has been your experience? Is it worth doing? Thanks!
  21. ST

    Furrion Tankless Water Heater: Only Scalding or Cold Water in 2024 Alpha Wolf

    I just purchased a 2024 alpha wolf with the furrion tankless water heater. When I take a shower, even with the controller set to 95, I only get water that is scolding hot. If I turn on the cold water even just a little bit, I loose all hot water and it will just be completely cold. Has anyone...
  22. DA

    Tankless water heater especially slow

    My new-to-me rig has a Furrion tankless water heater. The time to get heated water to a faucet is longer than for a traditional tank version. Here's what I see happening: WH (slowly) detects water flow. WH turns on blower for a long time. WH lights blow torch Heated water begins to flow to...
  23. PharmaDoc

    Winterizing Furrion Tankless Water Heater: Antifreeze Use and Power Settings

    I had my original Furrion 2.5 GPM Tankless Water heater replaced with the upgraded model because the original model leaked somehow - and I mean burst with gushing water so I am assuming freeze damage - and the newer model has the freeze prevention circuit. After reading all the documentation...
  24. JH

    Own or Considering Purchase of AS Globetrotter with “Tankless Water Heater”……Beware!!

    Purchase of and touring the US with an Airstream has been on my bucket list for many years. Unfortunately, I'm very disappointed and frustrated with my new Airstream purchased in February 2025. I reside and purchased my Airstream in the western US (Rocky Mountain region). After several...
  25. SI

    Tankless water heater

    So, this may be a stupid question or one that should at least be obvious, but.... We have a 2020 Thor Quantum. We bought it about 6 months ago and have not used the hot water in it (for multiple reasons). The few times I attempted to do so, the water heater thermostat would come on beside me (in...

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