Not being familiar with your make and model, this answer will be generic in nature. For ALL vehicles, and even any electrical system, the "blowing out" of any fuse indicates an overload of the circuit. That overload can be the result of a short to ground [in one of the conductors (wires), switches, or devices in the circuit], or too many current using devices in the circuit [such as a monster add-on sound system]. The fact that the fuse continues to blow each time a new one is inserted, indicates that the short is still there. It is dangerous to keep putting fuses in until the fault, whatever it is, is found and eliminated.
Where is the the heater control valve??
Is it not hot? Not blowing? Leaking coolant? Need more info to help you.
maybe
Defective blower motor? See if it is sgetting power Blown fuse?
bad heater core.
the starter has failed.
Maybe because your climate control system needs to be repaired....
i have a 96 dodge avenger 2.5 and it keeps blowing my ignition switch. any idea why?
Coolant level is probably low, Have it checked for an antifreeze leak.
Most likely the bad news that you did not want to hear. The heater core is leaking coolant.
Low coolant? Bad thermostat. Heater control cable most likely to be blocked heater core if blowing cold air! back flush heater pipes if this doesn't work heater core is a bad job to replace. dash out!
If equipped with rear heat it has two. IF front only, one.