Hello Kai
Thank you for your reply.
, a pdf of the manual would be a big help!
My email is. lpsp@icloud.com
Our Truma heater is gas d, from a separate lpg/butane cylinder.
There appears to be a separate metal insulated water tank underneath the van.
I had to replace the 12v water pump at the weekend, and was very surprised by the (very) hot
Water in the pipes!
Thanks
Lee.