Espar Aux. Diesel Heater Tech Manual
Sprinters have (as an option) the Hydronic D 4. Also provides the information for DIY installing, including some on the 7-day timer. Also good electrical diagrams.
http://www.espar.com/pdfs/hydronic4_5.pdf
Espar Sprinter specific manual
http://www.espar.com/pdfs/sprinter_manual.pdf
Sprinters have (as an option) the Hydronic D 4. Also provides the information for DIY installing, including some on the 7-day timer. Also good electrical diagrams.
http://www.espar.com/pdfs/hydronic4_5.pdf
Espar Sprinter specific manual
http://www.espar.com/pdfs/sprinter_manual.pdf