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Old 03-14-2023, 08:03 AM   #1
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Join Date: Dec 2020
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Espar Diesel Heater Controls / thermostat

We have an Espar Diesel heater in our 2009 Ford E-350 Sportsmobile. It appears the heater works well as long as 1/3 of the fuel tank is full. However, the heater turns off after about 2 hours, then needs to be restarted. My wife will be taking the van for a girls trip, and I was hoping to come up with a controller / thermostat that could be set to a temperature for extended periods of time ( all night ).
Anyone have any thoughts? I'm wondering if the heater is designed to shut off, so you don't run out of fuel?

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Old 03-14-2023, 10:26 AM   #2
Join Date: Feb 2018
Location: Santa Barbara county
Posts: 63
What model controller are you using? I have the “easy start pro” with small led screen. It allows you to adjust run time from 5 min to infinity, also obviously temperature. I’ve had in my van for 3 years with no issues. It will run for days on end when I need it to. I see its still available at under heater parts/heater controllers. I’ve used them for all my heater needs, super fast shipping. I don’t not have any experience with other controllers so I have no other input.

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Old 03-14-2023, 10:33 AM   #3
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Location: TN
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Yep, controller info needed. Most have a preset run time.
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Old 03-14-2023, 01:27 PM   #4
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Check to see if it matches your setup.
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Old 03-14-2023, 05:09 PM   #5
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Location: San Francisco, CA
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Please post a picture of the Espar controller. As stated, there is normally an adjustable timer setting that can be adjusted.

re: 1/3rd of a tank - will the heater run at all with a quarter of a tank of fuel?
Beastie 3: 2002 7.3 EB Cargo: Agile TTB, CCV High Top, Custom Walk Through, Lots of stuff added.
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Old 03-14-2023, 05:17 PM   #6
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Join Date: Mar 2015
Location: Maryland
Posts: 2,951
If you received a Sportsmobile Binder with the purchase of your Van, it should be inside. Otherwise try This:

EDIT: These Fault code descriptions will also come in handy down the road:

EDIT (AGAIN): I was also given this advise years ago...Rarely happens, but if If the heater has "locked out" and the controller is indicating failure to start (for Belief error 10 on digital or flashing red LED on manual controller, for Eberspacher flashing LED on controller), remove the fuse and put it back to reset. Restart the heater and try this up to 8 times.
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Old 03-15-2023, 05:25 AM   #7
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Wow!... thank you all for the helpful responses! The van is 1500 miles away in storage making it difficult to get a picture. I'll be out there at the end of the month and will gather more information.

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