Skip to Navigation Skip to Content

ribbon image Stock Up on Real OEM HVAC Parts for the Summer Season!  SHOP NOW

Happy Labour Day! We’ll be closed on Monday, September 7th to enjoy a quick labour-free day. We’ll be back on Tuesday the 8th, ready to work.

Hoshizaki 4A4865-02 Defrost Thermistor

Log in to enable Quick Order
Manufacturer:
Manufacturer #:
4A4865-02
Parts Town #:
HOS4A4865-02
Units:
Each
Fits Models:

Hoshizaki 4A4865-02 Genuine OEM Replacement Part

A Hoshizaki 4A4865-02 Defrost Thermistor measures the evaporator temperature and communicates with the control board, helping to regulate the defrost heater during the defrost cycle.

  • Real OEM defrost thermistors are built to fit and function with your exact unit, ensuring it runs safely, efficiently and stays under warranty.

  • Fits models CF1S-FGE, F1A-FG and PR46A (see "


    Common Questions and Answers

    Why is the Hoshizaki 4A4865-02 Defrost Thermistor important for proper operation?

    The Hoshizaki 4A4865-02 Defrost Thermistor supports refrigeration system control by monitoring conditions tied to defrost and overall temperature regulation so the unit can maintain proper cooling performance. Its calibrated thermistor design matters because accurate response to temperature changes is essential for reliable defrost control and stable heat exchange operation.

    What symptoms might indicate that the Hoshizaki 4A4865-02 Defrost Thermistor is failing?

    The Hoshizaki 4A4865-02 Defrost Thermistor may need replacement if the unit is not cooling properly, is not maintaining proper temperature, freezes up or stops operating. When issues are present, it's common to see an evaporator coil frozen or recurring thermistor-related faults such as a damaged, defective or out-of-spec sensor, which may be helped by using a real OEM replacement for consistent operation.

    Read More FAQs

    Does Parts Town offer same-day shipping for the Hoshizaki 4A4865-02 Defrost Thermistor?

    Of course! Parts Town provides same-day shipping on in-stock real OEM parts Monday through Friday until 9 PM ET and on Saturday until 4 PM ET for online air orders. When you want to solve equipment issues in a timely manner, we're here to help.

    How do I track my Hoshizaki 4A4865-02 Defrost Thermistor once it has shipped?

    See shipping information about your real OEM replacement parts by visiting our Track My Order page and typing in your order number or purchase order (PO) number and zip code. By making it easy to stay informed, you'll have peace of mind that your order is on its way.

    Does Parts Town provide customer assistance for the Hoshizaki 4A4865-02 Defrost Thermistor?

    Definitely! We provide multiple ways to get assistance with your real OEM replacement parts 8 AM—9 PM ET Monday—Friday via chat, email, phone and more. Visit our Contact Us page to contact us regarding any issues with your purchase.

    Is the Hoshizaki 4A4865-02 Defrost Thermistor returnable?

    Definitely! Parts Town lets you return most new, unopened real OEM replacement parts within 90 days of delivery, so check our Returns page to see if your purchase qualifies. To get started, use your sales order number and billing postal code to find out which items are eligible.

  • Length:
    7.95 in / 20.19 cm
  • Width:
    5.8 in / 14.73 cm
  • Height:
    1 in / 2.54 cm
  • Weight:
    0.095 lbs / 43 g