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Discussion Topic: Diesel heaters
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Wanted - Webasto/Eberspacher diesel heater|
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palmtree |
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I think the pump is low pressure output and just drips the diesel onto a hot wire mesh atomizer in the heater it vaporizes and then burns. Therefore the fuel line clips found by Pulse are fine and are also the type of clamps supplied by the makers of the heaters.
Ian
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annville |
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Hi Ian yes fuel supply to diesel heaters of Eberspacher, Webasto type etc are low pressure,as is the supply from fuel tanks to pumps, high pressure FUEL supply must be by pipes with a nut and olive connection, these aren't any more leak proof than rubber hose with clamp BUT are safer as not able to come undone under pressure and flood engine room with fuel. John
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palmtree |
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John/Annville, in my limited experience of Diesel heaters (the subject of this topic) i have never seen a high pressure fuel supply to them. Can you explain the type of marine heater that uses one?
Thanks
Ian
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annville |
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Hi Ian Not of hand those that are high pressure the high pressure side would be part of the heater in side the heater, if the supply from the pump is high it would have a olive & nut connection, otherwise ie Eberpacher/Webasto/Hurricane and Kubola a hose and clamp supply would be normal, installation instructions should clarify this. John
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ADI |
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Hi just wondering what sealant to use on the exhaust pipe to seal it to the heater and skin fitting? how about this geocel-trade-mate-plumber-flue-silicone-black
Regards
Adrian Michelle
Beck Braydon and Mere.
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Greybeard |
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I never used any sealers, but you must use high quality clamps, stainless "mikalor" are very good, they have a saddle that clamps evenly around the entire fitting making a gas tight seal.
the cheap screw clamps that are supplied with some heaters are not fit for purpose, except for the hot air side.
my appearance is down to me, my attitude is down to you.
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annville |
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Hi Adrian yes that would be ok , Why do you need a sealant not usually needed, there should be a tight fit between hose and hull fitting with a clamp there to stop it coming of, there isn't any pressure as exhaust gas is just blowing through to atmosphere the hose needs to point/slope downwards at the fitting to stop/allow water to run outside and not back to heater. John
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ADI |
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Oh okay I just thought with Co2 its best to be belt and braces, but yes it is a snug fit so when clamped should be ok.
Regards
Adrian Michelle
Beck Braydon and Mere.
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Dec-11-2020 @ 9:48 PM
