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cody70Sep 12, 2025
What causes fluctuating head and vapor pressures in my Rheem Heat Pump?
- KKimberly JamesSep 12, 2025
Fluctuating head and vapor pressures in your Rheem Heat Pump can be due to TXV hunting. Check the TXV bulb clamp and air distribution on the coil, and replace the TXV if necessary. Air or noncondensibles in the system can also cause this issue, so recover the refrigerant, evacuate, and recharge the system.




