Definitely don't want your fuel pump horizontal, it will trap cavitation bubbles and not be able to lubricate the piston with the lube in diesel fuel. Also will lead to an unclean burn, atomization issues and you will have to clean your heater more frequently.

You covered a lot of edge cases which really comes in handy, nice design!

You have convinced me to pick this one up. Ordered the parts list! Thanks for the break down. I scored this hcalory for 180$ recently so it was a no brained!

Wow! This is so cool! 😎How well Hcalory's HC-A01 toolbox and fuel tank fit together! So glad you like our brand of heaters and have given them many gorgeous transformations!😍😜

For the air intake, you can modify a Rigid shop- vac filter, worked for me.

Holy crap that freaking extended power cable is SOO great and cheap. I can run that the full length of truck bed and into the power system inside my pickup camper without a single wire crimp. Nice find there dude!!

Awesome build and thanks for the detailed description of each upgrade; what happened to the original air filter connection tube that is attached towards the bottom of the unit?

Excellent video and links to help. Very well narrated. New sub. from the usa 641. Always thumbs up!!!

I am really ready to try one out, it’s getting colder here soon .

How did you remove the filter from the rotopax mouth

Where did you get the cone shaped adapter that's inside the case to adapt the inlet from the standard 3-inch to the 5 inch coupler?

have you tried the webasto fuel pump protective case to reduce pump noise?

Hey what fuel line did you buy for the inside of the case? Or did you just use the line that came with that kit? I'm not sure I'll do the roto-pax kit...but I'd like to get the right fuel line and decent hose clamps to throw out all that Green stuff.

Have you extended the cord to the control box so you can place it in your tent, and if so how did you do it

I bet the waterport bed mount would work great

its almost a casing for computer gaming you built!!! look good!

You have links for the "hard" fuel line, rubber fuel coupler, and the hose rings you used?

What are you doing for an air filter? I just got mine HC-A01 and there is no air filter in that big black end-cap assembly. It has the small white foam, but the air flows freely straight down the tube with no requirement to go through a filter. Its also a large external tube and big plastic thing hanging out the side (stock). I need something cleaner and simpler than that. I could just have it draw air in from within the case. The case has so much venting to it. Maybe that's the clutch move?? Then the air inside there would be pre-heated a bit too from the heat tubing. Obviously its just for the intake so it wouldn't expose me to any CO poisoning. What do you think?

Wow pimp my diesel heater some nice upgrades! I like the roto pack now it looks just like the Yona Adventure Gear heater. I'm sure you don't have $999.99 into your build. Also nice touch and with the IceCo cooler 12 dc plug! I really like how this unit has the side exaust. I've often thought about adding one of the metal 3 inch air intakes to do the same air trasfer in. Just haven't found a need yet even at 23F. When we used our all in one little red box 5k diesel heater with our CVT Shasta Summet tent we would just set the heater on the tire step. Then just run the hose in the back door at bottom of the annex and back up to the ladder door. That worked great so in the middle of the night if you have to come down to use the bathroom it was a little warmer in the space. Looking forward to seeing what else you come up with. One thing I saw on the GFC forum was a 3" hose attchement that sat in the zipper made by Yona just doesn't look like it ended up in production maybe only for the unit they make and sell for $999.99 - super trick. Looking forward to seeing where you mount it! We like our tire step spot.

Great video! Question - when the rotopax is disconnected and the heater is packed away does it smell like diesel? I would transport the heater in the trailer and don’t want it to smell like diesel fuel. How many nights will a rotopax of fuel last? Thx.

Nice! What size fuel line does it take for that hard hose?

Also what are you using to power your heater while camping?

Do you have fuel feed issues?I like the tank set up just wondering if pump works fine seeing how everyone else does gravity fed from bottom of tank .

Was thinking about doing this soon. You have to remove the stand pipe every time you refill the Rotopax though, don't you? Doesn't that drip fuel everywhere? Thinking of adding a separate hole in it for the stand pipe...

I replicated this, not super happy with my rotopax gascap fuel valve. Can you share how you modded that, did you use diesel resistant washers? Also for the fuel lines, do you have a link for the extra black hose? Super appreciative of your share, so much cheaper than the fancy ones!

In the installation instruction of the heatshield for exaust line. They suggest leave few inches at the end of the pipe to let the heat go out. otherwise it is not good to fully isolate it at 100%

Can you please!!!, let me know what wire you use to extend your thermostat, because i tried doing that with one of my diesel heaters and now it only stays on level one heat and doesnt go to level 10😬

I tried that fuel pickup you have linked but repeatedly got an E-8 code. I never saw any fuel pass through the filter and pump section in the hose. Installed the stock botten fuel pickup, messy to install having had diesel already in the tank and pouring it back into my fuel can. Fuel began to pass through and then I got got an E-5 code a number if times. This time, I found the aftermarket end hose vent cap was too restrictive. Replacing it with the freer flowing stock vent end cap eleviated that code problem.

So did you mount it??? I want to know!!!!

do you have a follow up video of how you mounted to your truck?

What's the metal insert in the spout that you're using (with the threads)? I'd love to get some of those.

What time of glue can I use to glue the face where the exhaust is because it cracked and some pieces broke off but most of the face is intact but I want to fix it.

What did you end up figuring out for carrying this unit and/or setting it up? Do you disconnect the hoses on every trip?

Wish I’d have seen this sooner.

Keep it up good job

What size exhaust extension pipe do I need

With the 2 gallon rotopax what is the increased run time with this tank?

I'm going to use a boat motor fuel tank so I can unplug it to fill it so there's less chance of spills inside my shop. It will hold more too so I'd fill it less often!

Are you running the silencer straight out of the box?

Thanks for sharing the info George! Question: does the exhaust muffler get hot? Just wondering how that sitting on a plastic tailgate would fare.

Thanks

In January 2024, I bought the upgraded Hcalory with Bluetooth for 149 (229 regular price). The one like yours without Bluetooth is 169.

Did you used to have a website where you sold these conversions? I know I found them online a year or so ago but I can’t seem to find the website anymore.

So I've attempted to copy your fuel tank setup but I've come across two issues. One, cutting the stand pipe so that I do not clamp the hole permanently closed. Two, the standpipe connection to your tank, the red cap, is that custom or how did you alter the one that came with the RotoPax? Thanks.

Did you remove the pour spout from the diesel can when you ran the fuel pick up line? Thanks

Hey man, I’m doing this build but wondering about what is best for a fuel can? I’m not sure I have room to store both the heater and the can mounted on each other. Is there a better solution you’ve found or advice for allowing the fuel tank and heater case to be separate? Also with the Rotopax can, do you have a breather hole or do you just open the cap a bit? You don’t want suction preventing the fuel being pumped

hey bud where did u get the fuel line at can u send us a link please

Is your fuel tank vented? Most are vented through the cap...maybe enough air is sneaking around your intake plug drilled through the cap.

Great idea! Why did you not mount the Rotopax on the side where the original diesel tank was located so that you can always have access or service the heater

Love the build. Do u have link to yellow diesel box? Thx

Question about your small air intake tube inside the box. Did you replace yours? Mine came with a tan one that looks and feels like cardboard. Did yours come the same way?

I picked one up but it keeps surging my bluetti 70s every while using the Iceco cable didn’t do have their fridge. Seriously thinking about moving to jackery because of this issue. Do you have any advice?

Vevor swap was 3kw or 5kw?

Great looking mods, I am changing a few things in my Hcalory. Is that 3" ducting hose working out with the 200 degree heat? I like the price point but want to make sure it is as safe as possible. All the reviews I have read are all over the map, some say garbage, others think its fine. No melting? 🙂

Where can I get the metal part/gasket that you have under the cap at (4:53)? I just got the heater and want to do the Rotopax tank mod. Thank you.

Hey! Just picked up a rotopak can for similar and found your video. Assuming you ripped out the fuel filter in the rotopak, and just curious if you have any more detail about converting the gas can to this purpose. I am planning to remove the filter but you appear to have a piece of metal in yours? The only seal that came with mine is on the pour spout and I want to get rid of that too. Thanks! P

Just got my heater all set up and I’m powering it with my EcoFlow delta max. The heater keeps tripping the 12v outlet on my EcoFlow. Did you have this issue or have any idea what might be causing this? The heater will begin to run and after about 5 minutes the fan will kick up on the heater and then the EcoFlow outlet turns off

Is The fuel tank vented?

So I just ordered this unit based off the last video. But now you said that the entire heating unit crapped out on you? So what should I look out for in my unit when I get it?

I am mirroring your build, I purchased the ecoflow delta 2 and the hcalory, I want to see the mount!

Do u have link to red gasket? Thx!

So not to be used in the rain or snow? Doesn't seem weatherproof.

Which power cord are you upgrading to?

Can’t find these in stock anywhere :(

How loud is the pump when in the case? Some of these have been sooo annoying. I’m not sure I notice it with yours

If you want a full-on education about these diesel heaters, check out John McK 47. He has EVERYTHING you need to know about the proper set-up. He even does bench tests and keeps records of his data!

If you are camping in 10 degree weather you should pack up and find the sun

Take a drink everytime this guy says roto-pax 🥴

That tank has got no vent. I don't see how can that function unless you unscrew the cap a little every time you use it.

I live in the USA we go by gallon

What's the point of having a heater mounted in a plastic box if it's still not waterproof? I don't see any advantage over a standard metal Vevor all in one unit. It's actually worse as it takes more room in a rig. I bought all in one Vevor a month ago, did some basic mods, installed it on a tire step and ran some tests. Seems to be ok, and I'm not sure if it makes sense to make it more watertight. I'm not going to run in in the ocean or a lake lol. You still need to store the hoses and the muffler outside the box, and do some basic assembly every time you use it. Not being negative, just trying to understand the trend of everyone trying to put a heater in a box :) Is it only to look more cool and "fancy overlandy"? :D

Hey I've found decent moto 1"in/25mm air filter is apparently a big deal for the intake line. 25mm all screen air filter. That black thing doesn't do anything to silence or filter air. John Mk tested it out.

Mount your fuel pump in a vertical position, with the inlet at the bottom.

So you basicly have a 200 dollar box since you swapped every thing out. Not good...

The idea of the airflow is not totally correct. You could put a 10" intake on it and the flow won't change. The amount of flow (in cfm) is governed by the amount of flow of the most restricted point. Putting a massive diameter cold air intake on a vehicle makes no sense (and no improvement) due to the size of the throat on the throttle body, intake runners, and valve size. Eventhough it has a 3" intake and exhaust, it won't flow the same as a 3" pipe because the air still is being forced thru the aluminum fins of the heat exchanger, further restricting airflow. Sweet build though. As mentioned by another, the fuel filter should have at least a 30-40° angle. I had one of these and was surprised to see that from the factory it was horizontal. That is super bad for reasons mentioned by another.

hvy dont staart and burnin prossess

You are not going to demonstrate it working?

13:29 THATS SAD

14:17 THATS SAD