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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 1020/3 ⅜″ SAE Direct-Action NC Solenoid Valve

Deliver fast, reliable shut-off in refrigeration, HVAC, and cooling-water circuits with the Castel 1020/3 solenoid valve. Its direct-action, normally-closed design ensures positive sealing without a minimum differential pressure requirement. Features & Benefits Direct-Action NC: Instantly seals off flow when de-energized, even at low...
€45.45
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Castel 1028/M10 Ø 10 mm Direct-Action NC Solenoid Valve

Deliver precise on/off control in your refrigeration and cooling-water systems with the Castel 1028/M10 solenoid valve. Its direct-action, normally-closed design ensures leak-free shut-off even at low pressures, and the brass construction with epoxy-sealed coil housing provides corrosion resistance and continuous-duty reliability. Features & Benefits...
€51.23
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Castel 110 V HF2 Solenoid Coil for Cooling Systems

Optimize your icemaker and refrigeration valve performance with the Castel 110 V HF2 Coil. Designed for continuous-duty at 50/60 Hz and housed in an epoxy-sealed enclosure, this coil resists moisture and dust for dependable operation in cooling environments. Features & Benefits 110 V AC, 50/60 Hz: Standard power for commercial cooling...
€23.28
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Castel 24 VAC HF2 Solenoid Coil for Cooling Systems

Optimize the performance of your refrigeration, icemaker, and HVAC solenoid valves with the Castel 24 VAC HF2 Coil. Designed for continuous-duty operation at 50 Hz and 60 Hz and protected by an epoxy-sealed housing, this coil resists moisture and dust for dependable service in cooling environments. Features & Benefits 24 VAC, 50/60 Hz:...
€23.28
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Castel Solenoid Valve Connector PG9 – IP65, Gasketed

Secure your refrigeration and HVAC solenoid valve coils with the Castel PG9 Connector. Its IP65-rated housing, PG9 cable gland, and integrated gasket seal out dust and water, while nickel-plated brass contacts deliver reliable conductivity in demanding cooling environments. Features & Benefits PG9 Cable Gland: Accommodates Ø 4–8 mm cables...
€3.86
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Castel DI305N/2S Cooling-Line Filter with Humidity Indicator

Ensure moisture-free operation in your refrigeration and air-conditioning systems with the Castel DI305N/2S Cooling-Line Filter. Its built-in humidity indicator provides instant visual feedback on refrigerant moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity...
€50.62
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Castel DI305N/3 Cooling-Line Filter with Humidity Indicator

Maintain dry, contaminant-free refrigerant flow in your cooling systems with the Castel DI305N/3 Cooling-Line Filter. Its built-in humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity Indicator: Color-change sight...
€50.21
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Castel DI305N/3S Cooling-Line Filter with Humidity Indicator

Ensure dry, contaminant-free refrigerant flow in your HVAC and refrigeration systems with the Castel DI305N/3S Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation guards downstream components. Features & Benefits Built-in Humidity Indicator:...
€50.21
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Castel DI305N/M10S Cooling-Line Filter with Humidity Indicator

Maintain dry, contaminant-free refrigerant flow in your cooling systems with the Castel DI305N/M10S Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity Indicator: Color-change...
€52.34
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Castel DI308N/2S Cooling-Line Filter with Humidity Indicator

Ensure moisture-free, contaminant-free refrigerant flow in your cooling systems with the Castel DI308N/2S Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation safeguards downstream components. Features & Benefits Built-In Humidity Indicator:...
€51.02
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Castel DI308N/3S Cooling-Line Filter with Humidity Indicator

Protect your refrigeration and HVAC cooling circuits from moisture and debris with the Castel DI308N/3S filter. Its integrated humidity indicator instantly signals rising moisture, while efficient condensate separation safeguards compressors and heat-exchange components. Features & Benefits Integrated Humidity Indicator: Color-change sight...
€53.87
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Castel DI316N/3 Cooling-Line Filter with Humidity Indicator

Ensure dry, contaminant-free operation in your refrigeration and HVAC cooling circuits with the Castel DI316N/3 Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream components. Features & Benefits Built-In Humidity Indicator:...
€60.48
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Castel Humidity Indicator 3/8″ FM SAE for Cooling Systems

Ensure dry, contaminant-free refrigerant flow in your cooling circuits with the Castel Humidity Indicator 3/8″ FM SAE. Made in Slovenia from durable brass, its integrated color-change sight glass instantly signals rising moisture levels, helping you prevent compressor damage and downtime. Features & Benefits 3/8″ FM SAE Connection: Standard...
€43.71
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Castel Humidity Indicators ¼″ FM SAE for Cooling Systems

Ensure moisture-free refrigerant flow in your cooling circuits with the Castel Humidity Indicators ¼″ FM SAE. These Italian-made indicators feature durable brass bodies and an integrated color-change sight glass for instant moisture detection. Features & Benefits Dual Models: 3950/22 & 3750/22 to suit system preferences Standard ¼″...
€29.48
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Castel 1132/04 G 1/2″ NC Cooling-Water Solenoid Valve HM2

Achieve precise flow control in your HVAC, refrigeration, and chiller water loops with the Castel 1132/04 solenoid valve. Its normally-closed, direct-action design ensures immediate shut-off when de-energized, while the HM2 continuous-duty coil and epoxy-sealed housing offer superior resistance to moisture and corrosion. Features & Benefits...
€96.66
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Castel Nut ¼″ SAE for 6 mm Cooling Tubing

Achieve leak-proof connections in your refrigeration, air-conditioning, and chilled-water circuits with the Castel Nut ¼″ SAE for 6 mm ODS tubing. Its precision-machined brass construction and standard ¼″ SAE threads ensure a secure seal under high-pressure conditions. Features & Benefits Standard ¼″ SAE Threads: Fits common cooling-system ports ODS...
€2.44
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Castel DI316N/4 Cooling-Line Filter with Humidity Indicator

Ensure dry, contaminant-free refrigerant flow in your cooling systems with the Castel DI316N/4 Cooling-Line Filter. Its integrated humidity indicator provides instant visual feedback on moisture levels, while efficient condensate separation protects downstream equipment. Features & Benefits Built-In Humidity Indicator: Color-change sight...
€62.20
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Castel Humidity Indicator ½″ FM SAE for Cooling Systems

Maintain dry, contaminant-free refrigerant flow in your cooling circuits with the Castel Humidity Indicator ½″ FM SAE. These Italian-made indicators feature robust brass bodies and an integrated color-change sight glass for instant moisture detection. Features & Benefits Dual Models: 3950/44 & 3750/44 to suit system preferences...
€32.73
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Castel Humidity Indicator ¼″ MM SAE for Cooling Systems

Protect your refrigeration and HVAC loops from moisture damage with the Castel Humidity Indicator ¼″ MM SAE. These Italian-made indicators feature precision brass bodies and an integrated color-change sight glass for instant moisture detection. Features & Benefits Dual Models: Choose between 3910/22 & 3710/22 Standard ¼″ MM SAE: Male...
€27.75
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Castel 5/8″ FM SAE Humidity Indicator (Models 3950/55 & 3750/55)

Enhance your HVAC and refrigeration systems with the Castel humidity indicator featuring a 5/8″ FM SAE connection. Designed for fast, reliable moisture detection, this inline device provides clear, color-coded feedback—turning from blue to pink/red—to alert you instantly to moisture ingress. Instant Visual Alerts: Color change from...
€51.43
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Castel Humidity Indicator Ø 10 mm (3940/M10 & 3740/M10)

Keep your refrigeration and HVAC systems running smoothly with the Castel Ø 10 mm humidity indicator. Designed for fast, accurate moisture detection, this inline device provides clear, color-coded feedback—turning blue to pink/red—to alert you instantly to moisture ingress. Instant Color Alerts: Visual shift from blue to pink/red...
€41.67
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Castel Humidity Indicator Ø 3/8″ (Model 3940/3)

Keep your refrigeration and HVAC systems performing at their best with the Castel Ø 3/8″ Humidity Indicator (3940/3). This inline device offers fast, reliable moisture detection by changing color from blue to pink/red, giving you immediate insight into system health. Instant Color Alerts: See moisture ingress via a clear color...
€41.67
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Castel Nut 1/2″ SAE Ø 10 mm (Model 7030/4M10)

Ensure leak-free performance in your refrigeration and HVAC systems with the Castel 1/2″ SAE Nut, featuring a precise Ø 10 mm internal thread. Manufactured from premium brass and finished for corrosion resistance, this nut delivers a secure seal under demanding conditions. Precision Machining: Guarantees a tight, leak-proof...
€2.85
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Castel Nut 1/2″ SAE Ø 12 mm (Model 7030/4M12)

Achieve secure, leak-free connections in refrigeration and HVAC systems with the Castel 1/2″ SAE Nut, featuring a precise Ø 12 mm internal thread. Engineered from high-quality brass with a corrosion-resistant finish, this nut provides dependable performance under demanding conditions. Precision Machining: Ensures a tight, leak-proof...
€2.85
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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.