Explanation of modifications I made to my chassis heat loop on my 1984 Bluebird Wanderlodge.
Plate Heat Exchanger:
https://www.amazon.com/gp/product/B07...
Coolant Reservoir
https://www.amazon.com/dp/B09136PYL5/...
Coolant Pump
https://www.amazon.com/gp/product/B00...
Pump Plug Pigtail
https://www.amazon.com/dp/B01LX7BVWY/...