


Pentair Thermistor Defrost Sensor Probe for UltraTemp Heat Pumps - Part 473665
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Pentair Thermistor Defrost Sensor Probe for UltraTemp Heat Pumps - Part 473665Keep your heat pump running efficiently in cooler weather with the Pentair 473665 Thermistor Defrost Sensor Probe, a genuine OEM replacement component designed for ThermalFlo Titanium and UltraTemp heat pumps. At 53. 5 inches in length, this probe reaches the optimal sensing position within the unit to deliver accurate, real time temperature data that drives the automatic defrost cycle. When outdoor temperatures drop, frost can accumulate on the heat
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
Perfect Fit & Performance for 2022 Explorer ✅
Size: CA10242&CF12772, Size: CA10242&CF12772
I recently installed this filter set on my 2022 Ford Explorer (2.3L), and I’m very impressed with the results. Both the engine and cabin filters were a perfect fit with no installation issues.
Performance & Quality:
Solid Build: These feel much sturdier and higher quality than the filters I removed. I bought my vehicle used, and it seems the previous owners used whatever generic parts they could find. These are a noticeable step up.
Fuel Efficiency: Since the swap, my MPG has remained rock steady at 26.1 MPG while running 89 octane fuel. It’s good to know the engine is breathing efficiently.
Cabin Comfort: The cabin air is noticeably fresh, and the airflow is excellent—no whistling or restricted feel through the vents.
Value:
Getting both filters in one set is a great deal compared to buying them individually at a local auto parts store or the dealership. I’ll definitely be looking at these again in the next 6 to 12 months for my next maintenance cycle.
Bottom Line: If you’re looking for a reliable, cost-effective alternative to dealership prices that doesn't compromise on performance, this is a great choice.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Good quality and good value
Size: CF12150&CA10262
Filters fit perfectly in my truck, good value for the money, looks like a good quality product
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Reviewed in the United States on May 26, 2026
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Great value and quality
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Perfect fit for turbo Civic- appears well made. I had an issue with another Honda about 4 days after I changed this and paid $28 for JUST a cabin air filter at an auto parts store. Apparently- mice like to get in there
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