Pentair pool heat pump being serviced beside a Long Island inground pool

Pentair Pool Heat Pump Service

Pentair Pool Heat Pump Repair on Long Island

Pentair UltraTemp or ThermalFlo down at opening? We service and repair Pentair pool heat pumps with real HVAC techs and manufacturer diagnostics across Suffolk County.

Pentair UltraTemp and ThermalFlo units are common on higher-end Long Island pools, often wired into IntelliCenter or EasyTouch automation. That integration is handy when it works and confusing when it doesn't, because a fault can look like a heat pump problem when it's actually a communication or automation setting. We sort out which is which.

Under the panel, a Pentair heat pump is the same refrigerant machine we service on home systems: compressor, refrigerant circuit, titanium heat exchanger, and a control board fed by flow and temperature sensors. The faults we see most are flow and pressure lockouts, defrost issues at spring startup, refrigerant that leaked over the winter, and automation communication drops. We diagnose with manufacturer data and quote flat-rate before any repair.

We service the Pentair UltraTemp and ThermalFlo heat pump lines, including units tied into Pentair IntelliCenter and EasyTouch automation.

Pentair pool heat pump outdoor unit on Long Island

What We Fix


Common Pentair Pool Heat Pump Problems We Repair

Flow and Pressure Faults

The unit reads no or low water flow and locks out. Common at opening when plumbing or the pump was serviced. Usually a switch or sensor rather than the heat pump itself.

Automation Communication Drops

When a Pentair heat pump is run through IntelliCenter or EasyTouch, a communication fault can masquerade as a heat pump problem. We check whether the unit or the automation link is at fault.

Refrigerant Leaks

Charge drifts off over an idle winter, leaving weak or no heat. We locate the leak, repair, evacuate, and recharge to spec with EPA-certified handling.

Defrost and Startup Faults

Cold spring water and cool nights can trigger low-ambient and defrost lockouts even on a healthy unit. Sometimes a sensor, sometimes a board calibration issue.

Why an HVAC Tech


A Pentair Pool Heat Pump Is Still a Heat Pump

Most pool service companies don't hold a refrigerant license or carry manufacturer service tools. We do this work every day on home heat pumps and ductless mini splits, so the Pentair water-side piece is the small new part, not the hard part. See our full pool heat pump service.

Pentair Pool Heat Pump Down?

Text Us and We'll Get a Tech to You.

Reach us at (631) 209-7090 by text or call. We'll ask a few questions about what your Pentair unit is doing and schedule you the same day or next morning.

Text (631) 209-7090

Common Questions


Pentair Pool Heat Pump Repair FAQs

Either is possible, and telling them apart is exactly what a diagnostic visit is for. A communication fault between the heat pump and IntelliCenter or EasyTouch can look identical to a heat pump problem on the panel. We check the unit directly and the automation link so you're not paying to replace a part that was never broken.

Yes, we service both the UltraTemp and ThermalFlo heat pump lines, whether or not they're tied into Pentair automation.

Most repairs run between $250 and $1,200 depending on the failure. Flow and pressure switch work is mid-range, refrigerant leak repair with recharge runs higher, and simple capacitor or contactor swaps are on the low end. We give you a flat-rate quote before any work begins.

Most pool heat pumps last 10 to 15 years on Long Island. If yours is past 10 years and the repair quote is over half the cost of a new unit, replacement usually makes more sense, and newer units are far more efficient. We give you both numbers so you can decide.

Other Brands We Service


We Repair Every Major Pool Heat Pump Brand