A Hoshizaki 4A7497-02 Thermal Expansion Valve/TXV meters refrigerant flow to sustain balanced cooling and stable system performance.
The thermal expansion valve/TXV meters refrigerant flow into the evaporator so the system can maintain proper cooling efficiency and stable operating conditions. Its design matters because precise metering and responsive control of refrigerant superheat are essential for protecting the compressor and supporting consistent overall performance.
The thermal expansion valve/TXV may need replacement if the equipment shows poor cooling performance, inconsistent temperature control, icing at the evaporator or unusual pressure-related operation that could indicate improper refrigerant flow. Physical signs can include visible damage or corrosion and environmental signs may include frost buildup, moisture around connected components or operating conditions that might point to valve restriction or sticking.
Of course! Parts Town provides 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. When you want to solve equipment issues in a timely manner, we're here to help.
Yes! View updates on your real OEM parts after shipping by visiting our Track My Order page and typing in your order number or purchase order (PO) number and zip code. Since updates are easily accessible, you'll be confident that your shipment is progressing.
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 and get in touch with us—we'll do our best to answer any questions you may have.
We allow you to return most new, unopened real OEM parts within 90 days of delivery, so go to our Returns page for more information on the policy. Return eligibility may differ for custom orders.