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2020 High-Extended AWD EcoBoost Cargo with windows
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I need to re-res the miracle whip build thread, but seems like she used the aux port and a simple reducer to get to appropriate fuel line size before the heater. Seems like a good option.
I believe that is the case. @Bazz99 helped her do it, IIRC, so same as his. There's a part-number / description for that size-down thing somewhere on here.

That said... it's just not that big of a deal to drop the tank and install the stand-pipe. I can't think of a good reason not to do that. 馃
 

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2020 High-Extended AWD EcoBoost Cargo with windows
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So is the fuel extension option a waste of money since it is the wrong size. I can't think of any other reason to get it on an EcoBoost except for a heater. What else would use it?
Unless you've got some other reason to tap into the gas tank... that's the usage on here, pretty much.

I wouldn't focus on, "wrong size," since it is working well for some folks; just, "going the other route." 馃槈
 

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The gas tank should only be open for about 10 minutes due to expansion.
Can you point to a source for this guidance and/or elaborate? What is expanding? This is the first I've heard of a time constraint and I'm loath to perform operations under a short clock.
 

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22 Avalanche 148 AWD
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I have no idea what the 10 minute deal is. Not sure how long it will take to remove the access cap and drill it for my Standpipe. I'll keep this in mind to do it as quickly as possible while being sure it is done right. I don't have the Fuel port added to my build because I'm planning on doing the Espar 300mm standpipe.
 

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Discussion Starter · #27 ·
Can you point to a source for this guidance and/or elaborate? What is expanding? This is the first I've heard of a time constraint and I'm loath to perform operations under a short clock.
This came from instructions from espar parts. It didn鈥檛 make sense to me either. I didn鈥檛 certify the claim, but they do have techs and install these heaters in their shops. It鈥檚 tough to do in 10 minutes if you haven鈥檛 done it before.
 

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2021 HR Extended AWD Transit T-250
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I have no idea what the 10 minute deal is. Not sure how long it will take to remove the access cap and drill it for my Standpipe. I'll keep this in mind to do it as quickly as possible while being sure it is done right. I don't have the Fuel port added to my build because I'm planning on doing the Espar 300mm standpipe.
I don't know what the 10 minute thing refers to either, but I had my sending unit out of the fuel tank for several hours while doing this and the van started right up when I was finished.
 

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Discussion Starter · #29 ·
Quick update. The rest of the install was easy. I鈥檒l post some pics and a write up later. The heater fired up first try. I have been running it elevation from Idaho, Wyoming, and Colorado the last week. This was under freezing conditions. It has worked perfectly. No false starts, misfires, or anything like that. I love the timer controller and have just been setting it to 65 for how every many hours I need. Been as low as -6 and I can keep the van very comfortable.
 

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2021 HR Extended AWD Transit T-250
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Did those of you that ordered from esparparts receive any instructions? We got a photo copy of a photo that shows the electrical connections but nothing that identifies what screws/grommets/brackets go with what and where for the physical install.
I got the same kit that esparparts sells. I have plenty of extra parts. They provide what you need and more in the kit. Similarly, the wiring harness has what you need and much, much more. It is disconcerting and promotes self-doubt. The documentation is very difficult.

Be sure to check out this long thread before you start your install if you haven't seen it already: Espar B4L Heater not starting at Elevation
 

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Discussion Starter · #32 ·
There are extra parts. The wiring diagram is good, but everything else doesn鈥檛 help much. If you have specific questions let me know. The only weird part are the pins I circled in red in the diagram. They are annoying and fragile. I鈥檒l post pictures of the underside of my install.

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2021 HR Extended AWD Transit T-250
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I have the same question.
Did you get answer?
Anybody install heater in 2021 or 2022 Transit?
Not an answer to your question, but the question has been deemed irrelevant since you have to drop the tank to install the Espar standpipe. If you have any difficulty with your heater, the first question will be whether you used the aux fuel port or the Espar standpipe. If your answer is the aux fuel port, you will be instructed to install the standpipe and try again.

I installed mine in a 2021 Transit, the fuel line extension was not an option for 2021 and it would have been a waste of money if I had gotten it.

If you are interested, here is background on my install & troubleshooting: Espar Heater Installation and Troubleshooting - RidingRoadsAndTrails
 

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22 Avalanche 148 AWD
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My harness doesn't look like the one above. There are no connectors. It is one giant harness and I'm not seeing anything to connect the fuel pump. Did I possibly get the wrong stuff?
 

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22 Avalanche 148 AWD
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So the Brown and teal color wire are my fuel pump wires right? Those connect into the piece that is in the bag and then into the fuel pump? Also, nobody shows any holes drill in the bottom for the wires to the fuel pump they just are showing intake/exhaust/Fuel l ine holes. You have to have one for the fuel pump power too right?
 

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2020 AWD 350 High Roof, Long Body
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From what I recall, the two wire run w/ the pre-crimped connectors is the one you want to use for the fuel pump.
But yeah, that pic is the same as what I received.

And to be clearer...you'll need to insert said pre-crimped pins into the empty fuel pump connector housing. They did it this way so that you can easily fish the wire through a smaller hole than you'd be able to if the connector was already attached.
 

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2021 HR Extended AWD Transit T-250
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My harness doesn't look like the one above. There are no connectors. It is one giant harness and I'm not seeing anything to connect the fuel pump. Did I possibly get the wrong stuff?
Where did you get your heater kit from?

I did not run the fuel pump wire near the fuel line or the combustion intake/exhaust, I just found a convenient/safe path from the harness to the pump.
 
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