12-18-2017, 07:43 PM
mine had 4 valves. 2 for the coming and going of the dash heater core. and another two that goes to the aquahot to heat the water with engine coolant, just like your marine hot water heater.
tom
tom
2014 Haulmark 40' Super C on Freightliner Cascadia ISX15 Easton 13 speed
Former Owner 1990 38' Newell Coach 236 8V92
Former Owner 1999 45'8" Newell Coach 526 Series 60
Former Owner 2002 45'8" Newell Coach 608 Series 60

