Hoshizaki 4A1482-01 Ice Machine Thermostatic Expansion Valve 1/4" X 3/8" R-404
Specifications:
- Material: Copper
- Inlet: 1/4" Odf
- Outlet: 3/8" Odf
- Refrigerant: R404A
Description
Dimensions:
- Weight: 0.32 lbs
- Length: 10 in
- Height: 4 in
- Width: 4 in
This Part Fits the Following Models
82 modelsProvides controlled refrigerant flow into the evaporator. The Hoshizaki 4A1482-01 Thermostatic Expansion Valve (TXV) meters refrigerant according to pressure and temperature conditions within the refrigeration circuit. Designed for R-404 refrigerant with 1/4" x 3/8" connections, the valve supports refrigerant expansion and controlled evaporator operation during the cooling cycle.
Equipment Compatibility:
Designed for use with compatible Hoshizaki stackable crescent cuber equipment requiring thermostatic refrigerant flow control. Compatible with CF1A-FS, CR1A-FS, KM Series, KMD Series, KML Series, and KMS Series equipment.
Product Specifications:
Manufacturer: Hoshizaki
SKU: 4A1482-01
Product Type: Thermostatic Expansion Valve (TXV)
Connection Size: 1/4" x 3/8"
Refrigerant: R-404
Key Features:
- Controls refrigerant metering into the evaporator.
- Responds to pressure and temperature conditions.
- Provides refrigerant expansion within the refrigeration circuit.
- Supports controlled refrigerant flow during the cooling cycle.
Irregular refrigerant flow was observed during operation; replacing the TXV improved refrigerant control and supported consistent evaporator cooling.
HOSHIZAKI:
HOS4A1482-01
Step1: Disconnect electrical power and recover refrigerant using approved refrigeration service equipment before servicing.
Step2: Remove the access panel and locate the existing thermostatic expansion valve near the evaporator assembly.
Step3: Disconnect the sensing bulb, refrigerant lines, and mounting hardware from the old valve carefully.
Step4: Braze or connect the new expansion valve in the correct flow direction using proper refrigeration practices.
Step5: Secure the sensing bulb tightly to the suction line and insulate it properly.
Step6: Evacuate, recharge the system, and test for leaks, correct superheat, and proper ice production.
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What maintenance is required for the Hoshizaki 4A1482-01 Thermostatic Expansion Valve?
Regularly inspect the ice machine thermostatic expansion valve for refrigerant leaks and ensure stable superheat control. Clean any debris around connections and verify tight fittings. Routine checks of system pressure supports maintain efficient ice production.
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What are common issues with the Hoshizaki 4A1482-01 Thermostatic Expansion Valve?
- Ice Machine undercharge causing poor cooling.
- Valve sticking or erratic flow control.
- Clogging from debris or oil contamination.
- Inconsistent superheat regulation.
- Reduced ice production or cycle interruptions.
- Sensor misreading affecting expansion performance.
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