1965 Ford Econoline w/ Rear Htr.;. 1967 Ford Econoline w/ Rear Htr.;. 1966 Ford Econoline w/ Rear Htr.;. Cable Operated Open Non-Bypass Heater Valve. Heater Valve. Type: Heater Valves. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.