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HPCO Refrigerant Pressure Sensor

Brand: Thermo King
Product Code: 413669

Used: 96.00$

New: 216.00$

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+7 (928) 563-26-64 Place an order E-Mail:
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We are the company «RefBelholod»
We have been working with refrigerators
CARRIER & THERMO KING for more than 10 years.


We have a large warehouse of secondary spare parts for refrigerators. Excellent quality of spare parts, all spare parts are inspected!


📞 Contact us
For all questions, as well as for advice, please write to us on WhatsApp!

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Due to technical reasons, consultation by phone is not always possible. In this case, please contact us via WhatsApp. Sorry for the inconvenience.
+7 (916) 529-69-16


🛒 Placing an order

To place an order, contact us in any way convenient for you. Send us a link to the spare part or its article number.


✅ Order delivery

If the spare part is in our warehouse in Minsk, we will try to quickly deliver it to any city in the CIS where there is SDEK.

If the spare parts are not in the warehouse in Minsk, we will try to find them in the UAE and send them for you, and we will also deliver from the warehouse in Moscow to any city where there is SDEK.

Refrigerant High Pressure Switch (HPCO) Thermo King Part 41-3669 / 413669

The Refrigerant High Pressure Switch Thermo King 41-3669 (HPCO - High Pressure Cut Out) is a fundamental safety mechanism within the unit's refrigeration circuit. Threaded directly into the high-pressure discharge line of the compressor, this switch constantly monitors the pressure of the compressed refrigerant gas.

If the refrigerant pressure exceeds the maximum safe operational limit—often caused by a blocked condenser coil, condenser fan failure, or system overcharge—the HPCO switch immediately opens its electrical circuit. This signals the microprocessor to shut down the engine or disengage the compressor clutch. This emergency intervention prevents blown refrigerant lines, blown compressor shaft seals, and catastrophic mechanical failure. Utilizing a high-quality replacement guarantees exact pressure calibration and a leak-free operational lifespan.

This critical safety component is listed under the factory catalog reference 41-3669 and carries several common manufacturer body engravings, including 9143C70G09 and 41PS17-10.

Technical Information:

  • Hardware Type: Refrigerant High Pressure Switch (HPCO)
  • Protection Type: High Pressure Cut-Out
  • Electrical Specifications: 3(3)A / 240VAC
  • Part Catalog & Factory References:
    Thermo King: 41-3669, 413669, 413-669;
    Factory Engravings: 9143C70G09, 41PS17-10, PMAX, 55B, PSH.

Unit Compatibility:
Engineered for reliable pressure management across the following Thermo King platforms:
SL-Series: SL-100(E), SL-200(E), SL-300, SL-400(E), SL-400E SR2;
Spectrum Series: Spectrum-SL;
Legacy & Transport: SB-III, Sentry II, SMX, McTRL-I, RMN-II SR, TK6000.

Catalog Number:

Thermo King: 41-3669, 413669

Delivery and Warranty:
Fast shipping options across regions. 1-month comprehensive operational warranty included. Distributed inside secure packaging to protect threads and electrical contacts.

Is your unit throwing a false high-pressure alarm, or is the switch leaking refrigerant? Protect your compressor with the reliable 41-3669 HPCO switch today!


Product Description: Buy premium refrigerant high pressure cut-out switch (HPCO) Thermo King 41-3669 (9143C70G09, 41PS17-10) for SL, SB-III, SMX units. Fast shipping.

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Price information is updated automatically, every night!


The price during the day can change several times, in such cases it is unloaded manually.

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We try to ensure that the information is always up-to-date.

We will pack it beautifully and provide it for you around the clock!

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Tags: Sensors / Thermo King SLX / SLXe / SLXi