Whats the best sealant to use on the heat riser pipes where they join together up too the Y section .? also is there a sealant used on the join where the steel pipe joins to the top of heat exchanger from the fan .....or is it supposed to be a dry steel to steel join .
If you need to use something, then get some aluminium tape, as it's designed for using on chimney flues
http://www.tooled-up.com/product/lo...oductlisting&gclid=CP6w2bG3_LwCFagKwwodgRUAFg this is also good for exhaust manifold gaskets, or slip joints....
I was going to try this stuff (bottom of page). Is that what you meant @Paul Weeding? http://www.vehicle-wiring-products.eu/VWP-onlinestore/sleeving/tape.php
That's actually better than what I was on about, as that is essentially sticky exhaust wrap!! Good find