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Hoshizaki 4A1684-02 Expansion Valve/TXV

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Manufacturer:
Hoshizaki
Manufacturer #:
4A1684-02
Parts Town #:
HOS4A1684-02
Previous Part #:
Units:
Each
Fits Models:
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Hoshizaki 4A1684-02 Genuine OEM Replacement Part

A Hoshizaki 4A1684-02 Expansion Valve/TXV regulates refrigerant flow to maintain optimal cooling efficiency and stable temperature in the system.

  • Real OEM valves, solenoids and fittings are crafted to the brand's specifications, ensuring your system operates with exceptional durability and reliability
  • Fits Popular Models: KML-351MWH, KML-451MWH, KML-451MAH
  • Product Type: Expansion Valve/TXV

Common Questions and Answers

What is the function of the Hoshizaki 4A1684-02 Expansion Valve/TXV within the equipment?

The Hoshizaki 4A1684-02 Expansion Valve/TXV regulates refrigeration-system performance by supporting refrigerant expansion, heat exchange and overall refrigeration control within the ice maker. Its design matters because stable valve operation is essential to maintaining proper refrigerant flow and consistent cooling behavior throughout the equipment.

What potential problems suggest that the Hoshizaki 4A1684-02 Expansion Valve/TXV may need replacement?

The Hoshizaki 4A1684-02 Expansion Valve/TXV may be failing if the unit is not making ice, not cooling, not working properly or beeping, including repeated three-beep alerts tied to valve-related flow problems. Environmental signs may include a faulty, overfeeding or stuck-open valve that is not allowing proper flow of freon or is associated with refrigerant pumping issues, which might be remedied by installing a real OEM replacement to support consistent equipment performance.

Read More FAQs

When will my Hoshizaki 4A1684-02 Expansion Valve/TXV ship after I place an order?

We provide same-day shipping on all in-stock real OEM parts Monday—Friday until 9 PM ET and on Saturday until 4 PM ET for online air orders. With real-time inventory and streamlined processing, our fulfillment process is designed for efficiency.

Does Parts Town provide tracking updates on my Hoshizaki 4A1684-02 Expansion Valve/TXV order?

Definitely! See updates on your real OEM parts by heading to our Track My Order page and putting in your order number or purchase order (PO) number and zip code. We make real-time delivery updates easily accessible so you're always informed on how your shipment is progressing.

Is help available from Parts Town if I have questions about my Hoshizaki 4A1684-02 Expansion Valve/TXV?

Definitely! We provide multiple ways to get assistance with your real OEM replacement parts 8 AM to 9 PM ET Monday—Friday through chat, email, phone and more. Check our Contact Us page to view all available contact options.

Can I return my Hoshizaki 4A1684-02 Expansion Valve/TXV if there's an issue?

Parts Town lets you return most new, unopened real OEM replacement parts within 90 days of delivery, so go to our Returns page and see if your order qualifies. Certain items, including custom orders, may not be eligible for return.

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  • Length:
    8.45 in / 21.46 cm
  • Width:
    3.3 in / 8.38 cm
  • Height:
    3.15 in / 8.00 cm
  • Weight:
    0.3 lbs / 136 g