Products shown, tagged or featured on YouTube by creators are sold by merchants and are subject to merchant's terms and conditions. As you can see, diesel heaters are prone to malfunction in the high latitude areas where temperatures are the lowest. Drivers all across Canada, northern USA, northern Europe, and eastern Russia love diesel heaters, as the heaters make extreme winter conditions tolerable.

Regardless of opinion on the need to use the add-on inline filter, I learned that I need to plan my refueling carefully to get the highest grade diesel available, and avoid refueling purely on demand.

Has anyone kept their factory Espar/Webasto filter and had good experience, or should I switch it out for an in-line set up?

Eberspacher are quite specific about the fuel to the thing, they provide a page in the manual with drawings showing how to fit the intake. I’m installing my Espar S2 D2 diesel heater and have seen a knowledgeable guy’s YouTube series recommending addition of an inline fuel filter ahead of the pump for an Espar/Webasto/Chinese diesel heater. Whether you have questions, need assistance, or want personalized recommendations, our knowledgeable team is here to help. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. The irony is that they are most needed, and most used exactly in those areas, because of those low temperatures.The heater comes with a 3 year warranty and the Comfort Controller with a build in thermostat and 7 day timer. This may include cleaning the combustion chamber, inspecting the fuel lines, and checking for any carbon buildup. Whether you need a long-term, short-term, or temporary climate solution, sometimes it can help if you can break the costs down, especially if the situation is unexpected or an emergency. HOTTUBLIVERPOOL LTD is authorised and regulated by the Financial Conduct Authority (Firm reference number 946472).