Webasto pre heater plumbing! - Land Rover Forums : Land Rover and Range Rover Forum
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post #1 of 1 (permalink) Old 01-03-2017, 12:00 PM Thread Starter
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Webasto pre heater plumbing!

My name is Adam and I am new to the forum and as usual with newbies I have a question!
I am living in the UK but I am not getting much help with my question over here in the UK. I drive a 300Tdi 90 with 191,000 miles on the clock and still going reasonably strong!

I want to fit a Webasto or Eberspacher engine pre heater. Not a problem in itself , but nearly all of the information I can find says to plumb the pre heater directly into the inlet and outlet hoses of the heater matrix, at the point where the hoses exit the heater matrix. I personally don't think this will efficiently heat the engine block and cylinder head, as the Webasto pump would favour the short route into and out of the heater matrix. I believe the heat output of the Webasto should be plumbed into an area near the waterpump / front of the block and the retrieve of the Webasto can exit the output of the heater matrix. This I think would create a larger circuit that heats the entire engine.

I guess what I am asking you all is any of you with a 300Tdi and a Webasto, how is it plumbed in? and have you ever tested the temperature of the block and radiator after the pre heater has performed a full pre heat cycle on a cold day?

Apologies for the strung out description and question!


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