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Author Topic: Heater unit replacement - does it need gasket to bulkhead?  (Read 408 times)
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peteracs
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« on: March 21, 2017, 10:11:19 AM »

Hi All

Given it is a few years since I removed the heater unit from the bulkhead and now ready to reinstall, I need to understand if there is a gasket between the unit and the bullhead?

The parts book is unclear as no specific one is shown in the explosion picture and cannot see one in the list. Also I have two units and neither appear to have had one or at least there are no remains to be seen, but if I look at the bulkhead there is what I think are the remnants of a cork like gasket?

Given the position of the heater unit, it appears to be a natural water trap or is there a rubber seal which goes around the top of the opening in the bulkhead?

Peter
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WestonE
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« Reply #1 on: March 21, 2017, 12:39:11 PM »

Hi Peter

I cannot remember for the Beta heater but on a Monte there is a foam gasket which I remade in closed cell foam to reduce leaks and remove a built in water trap.

Eric 
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squiglyzigly
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« Reply #2 on: June 03, 2017, 05:10:40 PM »

I can't remember if there is a gasket to the bulk head but if my memory serves me, there is a rubber drain boot/pipe that drops any moisture back into the engine bay. So there probably isn't any need for a gasket.
There is a foam seal for the air flap but I think that is only to close the air flow, and not to prevent ingress of water as that is always going to happen on a rainy day with the fan on and flap open. Hence the drain pipe.
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peteracs
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« Reply #3 on: June 03, 2017, 06:01:07 PM »

Thanks for the replies. The drain points on the area where the wiper motor sits etc will take the bulk of the ingress from the vents, however I was thinking of the small gap around the heater where it protrudes up into that area, albeit small/thin it looks to me like a built in water trap or easy access for water into the main cabin depending how sealed it is around the heater. I think I may use some rubber or foam to just make sure. On the flap you are correct there is foam which I have replaced, but that is mainly there to stop the flap rattling against the main body when closed I suspect and will having only a little bearing on water ingress into the heater given its inverted position.

Peter
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