[bobbykjunior]

This is great to hear. Just for the sake of clarity. You connected to the Ford auxiliary fuel port with the connector you linked to. Do you have the 'fuel port extension' (comes equipped with the larger gas tank package on new transits)? Or, did you somehow access the standard auxiliary port without dropping the tank? Also, you didn't use the fuel tap provided by Espar, which everybody claims is necessary for the diameter of the line and possible cavitation in the line at altitude? At one point it seemed you were saying you were going to install this somewhere 'in-line' on the fuel line, but then did not? Is this correct? Glad to hear fears may be a bit overstated. I appreciate the help, have family in Meridian. God bless.

 

[dugloon]

Have you made this connection? and is it working with your webasto? I can't figure out how to open up the extension line in order to plug this in. Is there something special you need to do for this to slip in?
Thanks.

Did you figure this out? You have to cut off the end of the red guard with diagonal cutters to pull it free before you can replace the blue plug with your coupler.

https://www.fordtransitusaforum.com/threads/option-63f.87447/?post_id=1287510#post-1287510

 

[ZillaG]

I ordered my 2024 with the fuel tap option.

 

[ft250mr148]

I ordered my 2024 with the fuel tap option.

This is very confusing (to me when I first learn how to order my van).
There are 2 sections/parts: the fuel extension port and the fuel extension line.
And some item is NOT available as option; my Crew Van does not provide the "fuel extension line" option.
The "fuel extension line" provide the additional line so one does not need to lower the gas tank to attach the line etc...

I would have ordered it if it is available (just in case I need it).

I did order the extended gas tank.


Thanks,
Lee

 

[wthardman]

Having all the same issues with an Aqua Hot heater. Cannot keep it running. Used the factory pick up tube and kept getting an E032 combustion failure. Ended up cutting in the recommended Aqua Hot pickup tube. Same problem. Guess I have cavitation??? If I run the heater into a gas can, it runs without issue. The minute I reconnect to the pickup tube it runs for 20-38 minute before E032 again. Eliminated the filter rerouted the lines to ensure no place for air bubbles and same problem. New fuel pump...same problem. Double checking fittings for venturi effect. Any ideas? Any chance of vacuum on the tank?

Thanks,

Troy

 

[jrice128]

Having all the same issues with an Aqua Hot heater. Cannot keep it running. Used the factory pick up tube and kept getting an E032 combustion failure. Ended up cutting in the recommended Aqua Hot pickup tube. Same problem. Guess I have cavitation??? If I run the heater into a gas can, it runs without issue. The minute I reconnect to the pickup tube it runs for 20-38 minute before E032 again. Eliminated the filter rerouted the lines to ensure no place for air bubbles and same problem. New fuel pump...same problem. Double checking fittings for venturi effect. Any ideas? Any chance of vacuum on the tank?

Thanks,

Troy

Have any pictures of the tank and gas can setups? My first guess was going to be the run of the fuel line has a high point where bubbles are collecting when you're connected to the tank that gets corrected when reconfiguring for the gas can, but sounds like you already checked for that. Is the total fuel line length the same when testing with the gas can? If the fuel line gets nudged closer to a source of heat when in the tank setup vs gas can, that could also potentially cause issues.

If you're able to get underneath while it's running and temporarily remove whatever protection you have over the fuel line (and assuming the fuel line's at least opaque), watching the flow/bubbles may provide some insights. 🤷‍♂️ Disclaimer I don't have an Aqua Hot system, this is pulling from my research for our Espar Airtronic.

 

[gregoryx]

Having all the same issues with an Aqua Hot heater. Cannot keep it running. Used the factory pick up tube and kept getting an E032 combustion failure. Ended up cutting in the recommended Aqua Hot pickup tube. Same problem. Guess I have cavitation??? If I run the heater into a gas can, it runs without issue. The minute I reconnect to the pickup tube it runs for 20-38 minute before E032 again. Eliminated the filter rerouted the lines to ensure no place for air bubbles and same problem. New fuel pump...same problem. Double checking fittings for venturi effect. Any ideas? Any chance of vacuum on the tank?

Thanks,

Troy

Probably mentioned previously... but if the pump is similar to all the other ones in use, they're not particularly powerful. It's worth noting that the Espar pickup tube we're using (and the ones I've installed on other vehicles) actually have a nylon line running up the middle of the pickup tube. IOW, the actual available space in the pickup tube is REALLY small. It's not just smaller than the Ford pickup... it's even smaller than it seems at first glance.

Ultimately, the issue with most of these ends up relating to the pump not delivering fuel - as you show, since it works if you drop the line into a bucket. At least on water pumps, there's a rating for how much distance of pickup / siphon / head they can do; I'd assume that's with an appropriate-sized line. That seems like the issue with so many of these.

I don't know if a pickup tube without a further reduction from the nylon line will make a difference... but it wouldn't surprise me.

 

[wthardman]

Have any pictures of the tank and gas can setups? My first guess was going to be the run of the fuel line has a high point where bubbles are collecting when you're connected to the tank that gets corrected when reconfiguring for the gas can, but sounds like you already checked for that. Is the total fuel line length the same when testing with the gas can? If the fuel line gets nudged closer to a source of heat when in the tank setup vs gas can, that could also potentially cause issues.

If you're able to get underneath while it's running and temporarily remove whatever protection you have over the fuel line (and assuming the fuel line's at least opaque), watching the flow/bubbles may provide some insights. 🤷‍♂️ Disclaimer I don't have an Aqua Hot system, this is pulling from my research for our Espar Airtronic.

Thanks for the insight. What we have found is the dealer did not hook up the intake air tube. We were cycling flue gas back through the heater. With that being said, we still have some air bubbles in the fuel line. We have had the heater running for four hours before E032 again. Still working to isolate the source of the air bubbles.

 

[Hawkinnv]

Can you please point me at one of those posts please. I live at 7500 ft, and am looking to install one of these units.

 

[Hawkinnv]

There are several threads on this forum regarding this topic. The short answer is that if you plan to use the fuel port for a gasoline heater, and plan to use the heater at higher altitudes you are better off installing the Espar standpipe and ignoring the OEM aux fuel port altogether.

As someone living at 7500 ft and looking to install one. I would love a pointer at the revenant threads about this. Please and thanks

 

[gregoryx]

As someone living at 7500 ft and looking to install one. I would love a pointer at the revenant threads about this. Please and thanks

Take your pick.

Or click these searches for Espar or Velit and you should get lots of hits as well.

Maybe let us know what you mean by, "a pointer," about this? Are you looking for a how-to? Or an accounting of what works and what doesn't? Or do you want to be convinced one way or the other? (Not that we could do so... rather a religious experience, it seems.)

 

[skymons]

It's worth noting that the Espar pickup tube we're using (and the ones I've installed on other vehicles) actually have a nylon line running up the middle of the pickup tube. IOW, the actual available space in the pickup tube is REALLY small.

Wait. What?
Are you supposed to leave the nylon line in there? I could've sworn I read to remove it.

I looked around and only found a couple references. #Atoine instructed to remove it to cut tube. But I suppose its not clear if he put it back in.

 

[gregoryx]

Wait. What?
Are you supposed to leave the nylon line in there? I could've sworn I read to remove it.

I looked around and only found a couple references. #Atoine instructed to remove it to cut tube. But I suppose its not clear if he put it back in.
...

I don't recall anything saying to remove it when I did our earlier Espar units; so I've kept them in since. Part of my thinking is, "what purpose could/would that line serve in shipping only?" I figured it helps with the wicking. The pickup tube is still larger than the actual hard-plastic fuel line they use - or it looks like it is, at least.

FWIW, the Velit units don't come with the nylon line; but they are even smaller diameter than the Espar pickup.

 

[skymons]

I don't recall anything saying to remove it when I did our earlier Espar units; so I've kept them in since. Part of my thinking is, "what purpose could/would that line serve in shipping only?" I figured it helps with the wicking. The pickup tube is still larger than the actual hard-plastic fuel line they use - or it looks like it is, at least.

FWIW, the Velit units don't come with the nylon line; but they are even smaller diameter than the Espar pickup.

Well. Obviously it works either way. Hope I don’t start an insulation/tire/oil contentiousness thread topic. 😬