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Pentair

UltraTemp

Heat Pump

The Pentair UltraTemp is an energy-efficient heat pump for pool and spa heating, available in capacities from 75,000 to 145,000 BTU/h. It uses a titanium heat exchanger and R-410A refrigerant, with select models offering both heating and cooling capability.

Pentair UltraTemp Heat Pump
75,000 - 145,000 BTU/h
BTU Range
4.0 - 6.1 (varies by conditions)
COP
208-230V, 1 or 3 phase, 60 Hz
Voltage
120 GPM
Max Flow
30 GPM
Min Flow

Specifications

Heating
BTU Range75,000 - 145,000 BTU/h
RefrigerantR-410A
COP (Efficiency)4.0 - 6.1 (varies by conditions)
Electrical
Voltage208-230V, 1 or 3 phase, 60 Hz
Min Amps33A
Max Amps43A
Breaker Range40-50A
Performance
Min Flow (GPM)30 GPM
Max Flow (GPM)120 GPM
Max Pressure50 PSI
Physical
Inlet Size2 in PVC (unions included)
Outlet Size2 in PVC (unions included)
Certifications
ETL ListedYes

Pros & Cons

Pros

  • COP up to 6.1 — highly energy efficient
  • Titanium heat exchanger resists corrosion
  • Heating and cooling models available
  • Available in single and 3-phase models
  • ARI Performance Certified and ETL Listed

Cons

  • Higher upfront cost than gas heaters
  • Slower heating than gas — better for maintaining temperature
  • Requires 40-50A breaker

Error Codes & Troubleshooting

Low Refrigerant
Refrigerant charge below operating threshold
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High Pressure
Refrigerant high pressure switch tripped
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Flow Switch
Insufficient water flow detected
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Defrost Fault
Defrost cycle failure
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