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Refrigeration Spare Parts for Professional Equipment

Professional Refrigeration in HoReCa and Commercial Foodservice

Commercial refrigeration is essential for food safety, product quality, and smooth daily operations. From prep counters in busy kitchens to cold rooms in high-volume sites, reliable cooling depends on correctly matched components and timely maintenance. This page helps you navigate the most common refrigeration types and the spare parts typically used to service them.

Castel Nut 1/2″ SAE Ø 3/8″ (Model 7020/43)

Maintain leak-free connections in your refrigeration and HVAC systems with the Castel 1/2″ SAE Nut, featuring a precise Ø 3/8″ internal thread. Crafted from high-quality brass with a corrosion-resistant finish, this nut provides durable, reliable performance under demanding conditions. Precision Engineering: Guarantees a secure,...
€2.85
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Castel Nut 3/8″ SAE Ø 10 mm (Model 7030/3M10)

Maintain secure, leak-free connections in your refrigeration and HVAC systems with the Castel Nut 3/8″ SAE, featuring a precise Ø 10 mm internal thread. Crafted from high-grade brass and finished for corrosion resistance, this nut provides dependable performance under demanding conditions. Precision Machining: Ensures a tight,...
€2.24
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Castel Nut 3/8″ SAE Ø 3/8″ (Model 7010/33)

Ensure secure, leak-free connections in your refrigeration and HVAC systems with the Castel Nut 3/8″ SAE, featuring a precise Ø 3/8″ internal thread. Crafted from premium brass and finished for corrosion resistance, this nut delivers dependable performance under demanding conditions. Precision Machining: Guarantees a tight, leak-proof seal. Standard 3/8″...
€2.24
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Castel Nut 3/8″ SAE Ø 6 mm – 1/4″ (Model 7020/32)

Simplify mixed-thread installations in your HVAC and refrigeration systems with the Castel reducing nut, featuring a 3/8″ SAE male thread and a Ø 6 mm (1/4″) female thread. Precision-machined from high-grade brass and finished for superior corrosion resistance, this component provides a secure, leak-proof connection under demanding conditions....
€2.24
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Castel Solenoid Valve 1028/3S Ø 3/8″ – Direct‐Action NC

Enhance control over refrigerant flow in your HVAC and refrigeration equipment with the Castel Ø 3/8″ Solenoid Valve, model 1028/3S. Featuring a direct‐action normally‐closed design, this valve ensures rapid shut-off when power is removed, preventing unwanted leaks and safeguarding system integrity. Direct-Action NC: Reliable...
€51.23
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Castel Solenoid Valve 3/8″ SAE (Model 1064/3S) – Membrane NC

Enhance control and safety in your refrigeration and HVAC systems with the Castel Solenoid Valve 3/8″ SAE (1064/3S). Its membrane-actuated, normally-closed design delivers rapid shut-off when de-energized, preventing leaks and protecting equipment. Membrane NC Operation: Immediate flow shut-off on power loss. 3/8″ SAE...
€67.79
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Castel Solenoid Valve 1070/4S 1/2″ SAE – Membrane NC

Upgrade your HVAC and refrigeration systems with the Castel Solenoid Valve 1/2″ SAE, model 1070/4S. Designed with a membrane-actuated, normally-closed mechanism, it delivers instant shut-off when power is cut—protecting equipment from leaks and damage. Membrane NC Action: Immediate flow stop on de-energization for maximum safety....
€97.47
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Castel Solenoid Valve Ø 16 mm (Model 1078/5S) – Membrane NC

Improve control and protection in your refrigeration and HVAC systems with the Castel Ø 16 mm Solenoid Valve, model 1078/5S. Its membrane-actuated, normally-closed design delivers instant shut-off when de-energized, preventing leaks and ensuring system integrity. Membrane NC Design: Immediate flow shut-off on power loss for leak...
€130.20
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Castel Filter DI308N/4S with Humidity Indicator

Protect your refrigeration and air-conditioning systems from moisture and contaminants with the Castel Filter DI308N/4S. Its built-in humidity indicator provides immediate visual feedback on system moisture, while the high-capacity desiccant traps water and particles to safeguard equipment longevity. Integrated Humidity Indicator:...
€56.21
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Castel Filter DI308N/M12S with Humidity Indicator

Safeguard your refrigeration and air-conditioning equipment from moisture and contaminants with the Castel Filter DI308N/M12S. Its built-in humidity indicator provides immediate visual feedback on moisture levels, enabling proactive system maintenance. Humidity Indicator: Color-changing window signals moisture ingress. 12 mm...
€56.21
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Castel Filter DI308N/4 with Humidity Indicator

Keep your refrigeration and air-conditioning systems running smoothly with the Castel Filter DI308N/4. Featuring SAE ½″ connections and a 191 mm compact body, this filter drier installs easily in tight spaces and provides reliable protection. Integrated Humidity Indicator: Quick visual feedback via color-changing window. SAE...
€56.21
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Castel Filter DI316N/3S with Humidity Indicator

Safeguard your refrigeration and air-conditioning equipment from moisture and particulates with the Castel Filter DI316N/3S. Its integrated humidity indicator offers immediate, color-coded feedback on system moisture levels, enabling proactive maintenance to prevent compressor damage and refrigerant loss. Built-In Humidity...
€60.48
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Castel Filter DI316N/4S with Humidity Indicator

Safeguard your refrigeration and air-conditioning equipment from moisture and contaminants with the Castel Filter DI316N/4S. Its built-in humidity indicator provides immediate, color-coded feedback on system moisture levels, allowing for prompt maintenance to prevent compressor damage and refrigerant loss. Integrated Humidity...
€62.20
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Castel Filter DI316N/5 with Humidity Indicator

Safeguard your refrigeration and air-conditioning systems from moisture and debris with the Castel Filter DI316N/5. Its built-in humidity indicator provides instant color-coded feedback on moisture levels, enabling proactive maintenance to prevent compressor damage and refrigerant loss. Integrated Humidity Indicator: Color-changing...
€66.07
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Castel Filter DI316N/M12S with Humidity Indicator

Safeguard your refrigeration and air-conditioning systems from moisture and contaminants with the Castel Filter DI316N/M12S. Its integrated humidity indicator provides instant, color-coded feedback on moisture levels, enabling proactive maintenance to prevent compressor damage and refrigerant loss. Built-In Humidity Indicator:...
€62.20
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Castel Filter DI330N/4S with Humidity Indicator

Ensure optimal performance and longevity of your refrigeration and air-conditioning systems with the Castel Filter DI330N/4S. Featuring an integrated humidity indicator, it provides immediate visual feedback on moisture levels, so you can perform maintenance before damage occurs. Built-In Humidity Indicator: Color-changing window...
€85.78
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Castel Filter DI330N/5 with Humidity Indicator

Ensure reliable performance of your refrigeration and air-conditioning equipment with the Castel Filter DI330N/5. Featuring integrated humidity indication and standard SAE 5/8″ connections, this inline filter drier provides clear, color-coded feedback on moisture levels to prevent system damage. Integrated Humidity Indicator:...
€93.00
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Castel Filter DI330N/5S with Humidity Indicator

Safeguard your refrigeration and air-conditioning equipment from moisture and contaminants with the Castel Filter DI330N/5S. Its built-in humidity indicator delivers instant visual feedback, while the dual ODS 5/8″ & 16 mm connections and 293.5 mm body ensure secure installation in tight spaces. Integrated Humidity Indicator:...
€93.00
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Castel Filter DI330N/6 with Humidity Indicator

Protect your refrigeration and air-conditioning systems from moisture and debris with the Castel DI330N/6 Filter Drier, featuring an integrated humidity indicator. Its robust desiccant core traps moisture and particulates, while the color-changing window gives instant visual feedback—so you know exactly when service is needed....
€97.47
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Castel Filter DI330N/6S with Humidity Indicator

Ensure the longevity and efficiency of your refrigeration and air-conditioning systems with the Castel Filter DI330N/6S. This inline filter drier combines a high-capacity desiccant core with a built-in humidity indicator window, giving you instant visual confirmation of moisture levels so you can service before damage occurs....
€97.47
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Castel Filter DI330N/7S with Humidity Indicator

Ensure the reliability and longevity of your refrigeration and air-conditioning systems with the Castel Filter DI330N/7S. This inline filter drier combines a high-capacity desiccant core with a built-in humidity indicator window, giving you instant visual notification of moisture levels so you can service before damage occurs....
€102.05
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Castel Filter DI341N/4S with Humidity Indicator

Protect and prolong the life of your refrigeration and air-conditioning systems with the Castel Filter DI341N/4S. This inline filter drier features a built-in humidity indicator for immediate moisture diagnostics, plus 1/2″ ODS connections and a compact 290 mm body for easy installation. Integrated Humidity Indicator: Color-changing...
€124.00
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Castel Filter DI341N/5 with Humidity Indicator

Ensure the reliability and longevity of your refrigeration and air-conditioning systems with the Castel Filter DI341N/5. This inline filter drier features an integrated humidity indicator window that provides instant, color-coded feedback on moisture levels, enabling proactive maintenance and preventing system damage. Integrated...
€135.99
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Castel Humidity Indicator ½″ MM SAE (3910/44 & 3710/44)

Ensure the health of your refrigeration and HVAC systems with the Castel ½″ MM SAE Humidity Indicator. This inline device provides instant, color-coded feedback—shifting from blue to pink/red—to alert you to moisture ingress before it causes damage. Compatible with Castel models 3910/44 and 3710/44, its robust brass body and standard MM SAE...
€23.78
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Castel Humidity Indicator Ø 1/2″ (Models 3940/4 & 3740/4)

Ensure the health and efficiency of your refrigeration and HVAC systems with the Castel Ø 1/2″ Humidity Indicator. When moisture appears in your lines, the indicator turns from blue to pink/red, giving you an immediate, easy-to-read alert. Instant Visual Alerts: Color-coded change for quick moisture detection. ½″ Standard...
€43.30
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Castel Humidity Indicator Ø 12 mm (Models 3940/M12 & 3740/M12)

Ensure the health and efficiency of your refrigeration and HVAC equipment with the Castel Ø 12 mm Humidity Indicator. When moisture enters the system, the indicator shifts from blue to pink/red, giving you an immediate, easy-to-read alert. Instant Color Alerts: Clear visual change for fast moisture detection. Ø 12 mm Standard...
€43.30
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Castel Humidity Indicator Ø 18 mm (Models 3940/M18 & 3740/M18)

Protect your refrigeration and HVAC equipment from moisture buildup with the Castel Ø 18 mm Humidity Indicator. When moisture enters the system, the indicator shifts from blue to pink/red, providing an immediate visual alert for timely maintenance. Instant Color Change: Clear visual alert when moisture is detected. Ø 18 mm...
€57.63
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Castel Nut 3/8″ SAE Ø 8 mm (Model 7030/3M8)

Ensure secure, leak-proof connections in your refrigeration and HVAC systems with the Castel Nut 3/8″ SAE, featuring a precise Ø 8 mm internal thread. Crafted from high-grade brass and finished for corrosion resistance, this nut provides dependable performance under demanding conditions. Precision Machining: Ensures a tight, leak-proof seal every time....
€2.24
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Castel Solenoid Valve 1028N/2S Ø 6 mm – Direct-Action NC

Optimize control of hydrocarbon refrigerants with the Castel Solenoid Valve 1028N/2S. Featuring a Ø 6 mm connection and a direct-action normally-closed design, this valve ensures rapid shut-off when de-energized to prevent leaks in R290 and R600 systems. Direct-Action NC: Reliable shut-off on power loss to safeguard against leaks. Ø 6 mm Connection:...
€48.48
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Castel Solenoid Valve 1028V/2S.E Ø 6 mm – Direct-Action NC

Optimize safety and control in your HVAC and refrigeration systems with the Castel Solenoid Valve 1028V/2S.E. Featuring a direct-action normally-closed mechanism, this valve shuts off instantly when de-energized, preventing leaks and ensuring system integrity in R290 and R600 applications. Direct-Action NC: Reliable shut-off on...
€51.73
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Castel Solenoid Valve Ø 3/8″ (Model 1068/3S) – Membrane NC

Improve control and safety in your refrigeration and HVAC systems with the Castel Solenoid Valve Ø 3/8″ (1068/3S). Its membrane-actuated, normally-closed mechanism ensures rapid shut-off when de-energized, preventing leaks and safeguarding equipment. Membrane NC Design: Fast-acting closure on power loss to avoid refrigerant escape....
€74.40
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Castel Solenoid Valve 5/8″ SAE – Model 1070/5S

Enhance control and safety in your HVAC and refrigeration systems with the Castel Solenoid Valve 5/8″ SAE (model 1070/5S). Featuring a membrane-actuated normally-closed design, this valve ensures instant shut-off when de-energized to prevent leaks and protect equipment. Membrane NC Operation: Rapid shut-off on power loss for...
€108.75
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Castel Solenoid Valve Ø 1/2″ (Model 1078/4S) – Membrane NC

Improve control and safety in your HVAC and refrigeration installations with the Castel Solenoid Valve Ø 1/2″ (1078/4S). Its membrane-actuated, normally-closed mechanism shuts off instantly when de-energized, preventing refrigerant leaks and protecting system components. Membrane NC Operation: Immediate flow shut-off on power loss....
€108.45
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Castel Blind Nut ¼″ SAE (Pack of 5)

Seal off unused service ports and fittings in your refrigeration and HVAC systems with the Castel Blind Nut ¼″ SAE. Sold in packs of five, these brass blind nuts provide a reliable, leak-proof barrier against moisture and contaminants. ¼″ SAE Thread: Standard size for universal compatibility. Pack of 5 Nuts: Ample quantity for...
€10.98
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Castel Cartridge 4490/A – 800 cm³ Filter Drier

Maintain optimal system performance and prevent moisture-related damage with the Castel Cartridge 4490/A. This inline filter drier features an 800 cm³ (48 cu in) desiccant core that efficiently removes water and particulates from refrigerant circuits. High Capacity: 800 cm³ desiccant volume for extended moisture trapping....
€25.71
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Castel Double Swivel Sleeve US4-6 3/8″ SAE

Achieve hassle-free hose and tube routing in your refrigeration and HVAC systems with the Castel Double Swivel Sleeve US4-6 3/8″ SAE. Featuring two independent swivel ends, this coupling lets you align connections without twisting or stressing lines—ideal for tight or awkward installations. Dual Swivel Ends: Independent 3/8″ SAE...
€12.91
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Castel Humidity Indicator ⅜″ MM SAE (Models 3910/33 & 3710/33)

Protect your refrigeration and HVAC equipment from moisture-related damage with the Castel ⅜″ MM SAE Humidity Indicator. Featuring a built-in color-changing window, it provides clear, immediate alerts—turning from blue to pink/red—so you can perform maintenance before system performance is compromised. Instant Visual Feedback: Color...
€30.09
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Access Valve Ø ¼″ SAE

Streamline charging, evacuation, and pressure testing on refrigeration and HVAC systems with this Access Valve Ø ¼″ SAE. Featuring a precision-machined brass body and standard ¼″ SAE threading, it installs inline with a low profile and delivers smooth, precise flow control. Ø ¼″ SAE Thread: Fits common service hoses and gauges...
€5.29
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Access Valve ¼″ SAE × ⅛″ NPT

Simplify charging, evacuation, and pressure testing on refrigeration and HVAC lines with this ¼″ SAE × ⅛″ NPT access valve. Machined from high-quality brass and plated for corrosion resistance, it installs inline for a low-profile fit and provides smooth, precise flow control. Dual-Thread Design: ¼″ SAE male inlet to ⅛″ NPT female...
€5.59
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Access Valve ¼″ SAE × ¼″ NPT

Simplify charging, evacuation, and pressure testing on refrigeration and HVAC lines with this access valve. Featuring a ¼″ SAE male inlet and a ¼″ NPT female outlet, its precision-machined brass body delivers a reliable, leak-proof seal without the need for adapters. Dual-Thread Design: ¼″ SAE to ¼″ NPT for universal compatibility....
€6.61
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Danfoss EVR6 Solenoid Valve Ø 10 mm – Normally Closed

Ensure precise, leak-proof control of refrigerant in your cold-room and HVAC systems with the Danfoss EVR6 Solenoid Valve. Engineered in Denmark, its Normally Closed design and Ø 6 mm nominal orifice deliver fast shut-off on power loss and consistent performance under demanding conditions. Ø 10 mm Body / Ø 6 mm Orifice: Optimized...
€178.28
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Danfoss EVR6/32F8072 Solenoid Valve 3/8″ SAE – Normally Closed

Ensure precise refrigerant control and system protection with the Danfoss EVR6/32F8072 Solenoid Valve. Built in Denmark to Danfoss’s exacting standards, this Normally Closed valve features 3/8″ SAE fittings and a 6 mm nominal orifice, delivering fast response and reliable shut-off in HVAC and refrigeration applications. 3/8″ SAE...
€188.75
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Danfoss Humidity Indicator 3/8″ FM SAE (Model SGN10-014-0172)

Prevent moisture damage in your HVAC and refrigeration systems with the Danfoss Humidity Indicator SGN10-014-0172. This inline device features a 3/8″ female SAE connection and a vivid color-changing element that goes from blue to pink at the first trace of moisture, enabling quick visual checks and preventive maintenance. 3/8″ FM...
€72.06
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Danfoss Humidity Indicator 6 mm (Model SGN6S)

Prevent moisture damage and maintain peak efficiency in your HVAC and refrigeration systems with the Danfoss Humidity Indicator SGN6S. Designed for 6 mm copper tubing, its color‐changing window provides immediate feedback—turning from blue to pink—so you can schedule maintenance before issues arise. 6 mm Inline Connection: Standard...
€64.95
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Danfoss Humidity Indicator Ø ¼″ FM SAE – Model SGN6

Prevent moisture-related issues in your refrigeration and HVAC systems with the Danfoss Humidity Indicator SGN6. Its inline design features a Ø ¼″ FM SAE connection and a vivid color-changing element that transitions from blue to pink when moisture is present, enabling fast, reliable maintenance checks. Ø ¼″ FM SAE Thread: Standard...
€69.52
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Danfoss EVR 10 Solenoid Valve Ø 12 mm NC

Achieve precise, reliable refrigerant control with the Danfoss EVR 10 Solenoid Valve. Designed for durability and fast actuation, this normally closed valve features a 10 mm orifice and 12 mm ports, making it ideal for demanding HVAC and refrigeration applications. 12 mm Ports: Standard connections for easy installation. 10 mm...
€229.40
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Danfoss EVR3 Solenoid Valve Ø 6 mm – Normally Closed

Control refrigerant flow precisely with the Danfoss EVR3 Solenoid Valve. Featuring Ø 6 mm ports and a 3.2 mm nominal orifice, this NC valve provides rapid shut-off on power loss to safeguard your system. Built from durable brass in Denmark, it delivers reliable, leak-proof performance across a wide range of operating conditions. 6...
€119.12
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Types of Commercial Refrigeration Equipment

Upright Refrigerators and Freezers

Often used in back-of-house storage for ingredients and prepared products. These units typically run continuously and require stable temperature control and good airflow.

Undercounter Fridges and Freezers

Compact units placed under worktops or service counters, common in bars and prep areas. Space and ventilation constraints make fan performance and condenser cleanliness especially important.

Refrigerated Prep Counters and Worktables

Used for mise-en-place and fast service. These combine refrigeration with frequent door openings and heavy throughput, so temperature recovery and door sealing are critical.

Display Refrigeration (Showcases and Vitrines)

Front-of-house units designed to present products while keeping them at safe temperatures. Airflow management and accurate control settings are key to consistent performance.

Cold Rooms and Walk-in Refrigeration

High-capacity cooling for storage areas and production kitchens. These systems typically include larger components (compressors, evaporators, controls) and require reliable defrost and airflow.

Blast Chillers and Blast Freezers

Used to cool products rapidly for safety and production planning. These systems demand high performance and robust controls, sensors, and fan operation.

Key Refrigeration Components and What They Do

Refrigeration Circuit Components

These parts drive the cooling process and are central to system performance:

  • Compressor (creates pressure difference to circulate refrigerant)

  • Condenser (rejects heat to the environment)

  • Evaporator (absorbs heat inside the cabinet/room)

  • Expansion device (TXV/expansion valve or capillary tube)

  • Filter drier and sight glass (support system cleanliness and diagnostics)

  • Solenoid valves (control refrigerant flow in many systems)

Electrical and Control Components

Controls keep temperatures stable and protect equipment:

  • Thermostats and temperature controllers

  • Sensors / probes (cabinet, evaporator, ambient)

  • Pressure switches (high/low pressure protection)

  • Relays, contactors, capacitors (motor start/run and switching)

  • Switches (door switches, main switches, safety interlocks where applicable)

Airflow and Defrost Components

Airflow and defrost are frequent causes of performance issues:

  • Evaporator fan motors and condenser fan motors

  • Defrost heaters (where fitted)

  • Defrost timers or controller-driven defrost settings

  • Drain components (drain lines, drain heaters on some units)

Mechanical and Sealing Parts

Often overlooked, but critical for efficiency and temperature stability:

  • Door gaskets

  • Hinges and handles

  • Latches and closures

  • Mounting parts and adjustable feet (to keep doors aligned and sealing correctly)

Common Maintenance Triggers in Refrigeration

Refrigeration spares are often needed when:

  • Temperatures drift or recovery is slow after door openings

  • Frost or icing builds up on the evaporator

  • Fans become noisy or airflow drops

  • Controls show alarms or inconsistent readings

  • Door seals leak cold air (energy loss and unstable temperatures)

Find the Right Refrigeration Spare Parts Faster

Use categories and filters to identify parts by equipment type, function, and key specifications (where provided). Clear product identification helps service companies and procurement teams reorder consistently across multiple sites or equipment fleets.