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Water not heating / high head when in reclaim

What is going on

Possible causes and checks for: water not heating / high head when in reclaim.

Likely causes

  • Three-way solenoid not diverting
  • Reclaim condenser fouled
  • Parallel reclaim condenser too small for full load
  • Check valve leaking
  • Refrigerant stranded in idle condenser

Check in this order

  1. Valve position, reclaim condenser capacity, check valve, ORI/ORD operation

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Source: General HVAC service practice — verify per model. Written in our own words; check the manual for your exact model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.