Question: how much should it cost to replace a reversal valve in a heat pump?
Answer: This is a common problem in the colder months and can be fixed by adding refrigerant ($75-$150) or replacing the defrost timer ($200-$250). This typically means the reversing valve needs to be replaced, which averages $450-$600. This typically means the reversing valve needs to be replaced, which averages $450-$600.