Used Combination Washer for sale (5,542)

Condition: new, Year of construction: 2026, functionality: fully functional, 140L Parts Cleaning Cabinet Washer The 140L parts cleaning cabinet washer is a professional workshop device designed for effective removal of oils, greases, deposits, and stubborn contaminants from metal and mechanical components. Operating in a closed-loop system, the machine uses cleaning fluid efficiently and economically. Thanks to its large tank capacity and stable construction, it is an ideal solution for industrial plants, workshops, and service facilities. Main advantages of the 140L workshop parts washer Maximum cleaning fluid capacity: 90 liters – allows long, continuous operation without frequent refilling of cleaning agent. Pump flow rate of 2.7–3.6 l/min – ensures precise cleaning of hard-to-reach areas and surfaces with micro-cracks. Large 140-liter tank – enables cleaning of larger machine and equipment components. Closed-loop fluid circulation system – economical use of cleaning liquid, reduced waste, and a cleaner working environment. Automatically locking lid – ensures safe operation during cleaning processes. Stable four-leg construction – provides optimal working height and safe operating conditions. Practical working shelf under the tank – convenient space for drying parts or storing tools. Design and technology The parts washer is equipped with a flexible hose with a spray nozzle, through which the cleaning fluid is delivered under pressure from the bottom of the tank. To ensure optimal performance, the pump inlet must remain completely submerged. The tank lid opens smoothly and locks automatically, increasing operator safety. The robust frame and four supporting legs provide excellent stability, even during intensive use. The well-thought-out design and compact dimensions (1130 x 540 x 885 mm) allow the unit to fit into most workshop spaces while providing a large working area for cleaning bigger components. Precision and cleaning efficiency Dsdpfx Apsrh Ey Re Dewc The high-performance pump, with a flow rate of up to 3.6 liters per minute, combined with the closed-loop system, enables continuous and efficient operation with minimal fluid consumption. The cleaning solution penetrates even microscopic gaps, allowing thorough removal of contaminants from metal, cast iron, steel, and aluminum parts. The machine is designed for use with water-based detergents – cleaning effectiveness depends on the type and quality of the cleaning agent used. Applications The 140L parts cleaning cabinet washer is designed for professional applications in: automotive workshops, repair and maintenance services, mechanical workshops, manufacturing facilities. It is suitable for cleaning: machine parts, tools, engine components, hydraulic system elements, technical components requiring thorough cleaning before regeneration, repair, or assembly. Standard equipment Working tank with automatically locking lid Pump with flexible hose and spray nozzle Steel frame with four legs Working shelf underneath the tank Assembly and operating manual Technical specifications Parameter Value Tank capacity 140 L Maximum cleaning fluid volume 90 L Maximum pump capacity 2.7–3.6 l/min Power supply 230 V External dimensions 1130 x 540 x 885 mm Working tray dimensions 800 x 500 mm Weight 43 kg

Condition: reconditioned (used), functionality: fully functional, Connected load 380V 3 x 3kW, weight approx. 550 kg, external dimensions 2700 x 1500 x 850 mm, turntable, jointer-thickness planer width 300 mm with three-knife shaft, table dimensions 310 x 1500 mm, clearance height 230 mm, circular saw 0-45° tiltable, max. cutting height 100 mm, saw table dimensions 350 x 950 mm, travel 1200 mm, saw blade diam. max. 300 mm, router with two speeds 3100 / 6200 rpm, router with two speeds 3100 / 6200 rpm, max. Cutting height 100 mm, saw table dimensions 350 x 950 mm, travel 1200 mm, saw blade diam. max. 300 mm, router with two speeds 3100 / 6200 rpm, router arbor 30 mm, height adjustment max. 110 mm, slot drilling device speed 4500 rpm, table size 180 x 470 mm, two-jaw chuck 0-165 mm, suction nozzle 3x100 mm Dwjdpfetqva Djx Ap Dsc

Condition: new, Year of construction: 2026, functionality: fully functional, MP180 Pressure Cabinet Washer is an industrial cleaning device designed for washing heavily contaminated mechanical, metal, and industrial components. Thanks to pressure cleaning technology and a stainless steel construction, the machine provides high durability, efficiency, and safe operation even under demanding working conditions. The closed-loop system and the ability to heat the cleaning fluid up to 70°C enable effective removal of grease, oils, carbon deposits, and other stubborn contaminants. Main advantages of the MP180 washer Closed-loop system with heated cleaning fluid – improved removal of difficult contaminants at temperatures up to 70°C. Pressure up to 8 bar – effective cleaning of hard-to-reach areas and heavily contaminated components. High-quality stainless steel construction – corrosion and mechanical damage resistance, ideal for long-term industrial use. Two-function gun – allows selection between compressed air only or cleaning fluid mixed with air, also enabling component drying. Adjustable leveling feet – precise machine positioning even on uneven surfaces. Construction and technology The MP180 cabinet washer has been designed for maximum functionality in industrial environments. The design of the washing chamber and the integrated fluid heating system allows maintaining a constant cleaning temperature, significantly increasing washing efficiency. The pressure gun with an adjustable operating mode enables both cleaning and drying with compressed air. All components that come into contact with liquids are made of materials resistant to aggressive cleaning agents and chemicals. Precision and work efficiency Thanks to high cleaning pressure and elevated operating temperature, the MP180 pressure washer enables thorough removal of even stubborn contaminants from components with complex geometries. The operator has full control over the cleaning process – from adjusting the intensity of the spray stream to drying the cleaned parts. The 180-liter working chamber allows comfortable cleaning of medium-sized components without the need to disassemble them into smaller parts. Applications The MP180 pressure cabinet washer is suitable for: Automotive workshops, Industrial plants, Machinery service centers, Manufacturing facilities. It is ideal for cleaning: Dwjdpfx Aouc Tpyop Dec Engine components, Gearboxes and transmission parts, Valves, Pump housings, Hydraulic system components, Other metal parts requiring intensive cleaning. Thanks to its corrosion resistance and high durability, the machine is suitable for long-term operation in chemically demanding environments. Standard equipment Two-function gun (air / cleaning fluid + air) Cleaning fluid heating system Built-in 180-liter tank Stainless steel working chamber Adjustable leveling feet Technical specifications – MP180 pressure cabinet washer Parameter Specification Washer capacity 180 L Frequency 50 Hz Weight 56 kg Voltage 230 V Height with legs 1450 mm Height without legs 920 mm Internal width 740 mm Internal height (to open lid) 410 mm Internal depth 500 mm Loading height 360 mm Loading width 700 mm

Year of construction: 2026, condition: as good as new (ex-display), Parts cleaning machine / spray cleaning system, type L90 Automatically operating hot water parts washing machine with basket drive via geared motor, stainless steel washing pump (manufacturer: Lowara), circulating 3-sided spray system with stainless steel nozzles - Basket diameter: 790 mm - Usable height: 500 mm - Max. load weight: 150 kg - Spray pressure: 3 bar - Tank volume: 105 liters - Heating: electrically adjustable (ambient temperature - 90°C) System dimensions (L x W x H): 1,150 x 1,250 x 1,900 mm Empty weight: approx. 220 kg Wash cycle timer freely adjustable (minutes and hours) Complete cleaning machine (internal components and exterior cladding) made of stainless steel 1.4301 Water circulation and loading basket made of stainless steel 1.4301 Insulation of the entire system (tank and cabin) made of stainless steel 1.4301 Djdpfxjd H Slaj Ap Djwc Mechanical lid locking Bath cover with fine filter (2,000 microns) Suction filter as pump protection Oil skimmer for bath maintenance Operating hour counter Steam extraction with condensate return Parts washing machine is in new condition (test facility / pilot plant) OTHER BASKET DIMENSIONS AVAILABLE UPON REQUEST!!!

Condition: good (used), Compressed air filter, fine filter, filter, pre-filter, intake air filter, air filter housing, air filter -Manufacturer: Mann & Hummel, Mann-Piclon air filter housing -Part Number: 45 160 92 901 Dwodpsd Swrdjfx Ap Djc -Inlet/Outlet: Ø 65/61 mm -Quantity: 46 combination air filters available -Price: per piece -Dimensions: Ø 225/305 mm -Weight: 2.35 kg

Year of construction: 2023, condition: new, INTERSONIK VAPCON is designed and produced by INTERSONIK engineers and used for eliminating water vapor generated by industrial parts washers. For a parts washer operating with 70 degrees Celcius hot water it is amazing that there is no water vapor emission during the washing and when the lid is opened as well. In the video, you can see an industrial application of VAPCON. VAPCON helps improving work safety by eliminating the vapor and save nature by recycling the water. Dedpfsd Nwlfox Ap Dswc Ideal for parts washers. For detailed information please contact us.

Condition: good (used), High-frequency ignition system, heating, gas and oil burners -Type: Dungs Gas Multibloc Control and Safety Combination MBC-300-VEF -Voltage: 230 V -Frequency: 50-60 Hz -Power: 120/16 W -Number: 10 valves available -Price: per piece -Dimensions: 235/135/H115 mm -Weight: 4 kg Dsdpfxed Rbtmj Ap Dewc

Condition: new, Year of construction: 2024, functionality: fully functional, operating pressure: 6 bar, total height: 1,270 mm, total width: 1,500 mm, pressure: 6 bar, type of input current: AC, empty load weight: 300 kg, input voltage: 230 V, heating capacity: 9 kW (12.24 HP), water tank capacity: 300 l, rotary table diameter: 1,000 mm, table load: 300 kg, table width: 1,000 mm, The ROT1000 rotary basket washer is a combination of modern technology and precision workmanship at every stage of the washer's development - this is, in short, the definition of an innovative design that will facilitate the process of washing large-size parts. The rich equipment of the device will provide us with high efficiency, economy and reliability at the workplace. A motor-driven rotary basket and spray nozzles increase the efficiency of the washing process. Parts undergoing the process are placed on a circular basket that rotates around its own vertical axis. The fully automatic control panel controls the work of the washer. STANDARD EQUIPMENT OF THE WASHER: - Sensor for disconnection of the closing lid when opening it during the washing process, - Liquid level sensor in the tank, protecting against dry operation, - Liquid temperature sensor, - One adjustable, stainless steel spray arm from the renowned spraying company System - Mechanically rotating basket, - Dual filtration, - Coarse insoluble impurities filter (1mm mesh filter), Dwodpfx Ajq I N S Hsp Dec - Drain valve

Condition: new, Year of construction: 2025, A sand aggregate production plant is a facility where various types of aggregates (such as sand, gravel, crushed stone, or recycled concrete) are produced for use in construction and other applications. These plants typically include various stages of processing, from raw material extraction to the final product. Here are the key components and processes typically involved in a sand aggregate production plant: 1. Raw Material Extraction: Djdjq Ngb Dspfx Ap Dowc - Quarrying or Mining: Aggregates are often extracted from quarries, mines, or riverbeds. Depending on the type of aggregate, the extraction process may involve drilling, blasting, or dredging. 2. Primary Crushing: - Jaw Crusher or Gyratory Crusher: The extracted raw material is usually transported to the plant and fed into a primary crusher, where large rocks are broken down into smaller pieces. 3. Secondary Crushing: - Cone Crusher or Impact Crusher: The crushed material from the primary crusher may undergo further reduction in size through secondary crushing. 4. Screening: - Vibrating Screens: After crushing, the material is often screened to separate different sizes of aggregates. This process ensures that the final product meets the required specifications. 5. Washing: - Sand Washers: In some cases, especially for sand production, washing is done to remove impurities, clay, and fines from the aggregates, ensuring a cleaner and higher-quality product. 6. Grading and Sorting: - Classifiers or Graders: After washing and screening, the aggregates may go through additional processes to separate them based on size or quality. 7. Stockpiling: - Stockpiles: The final aggregates are usually stockpiled for storage before being transported to construction sites or other end-users. 8. Aggregate Storage and Handling: - Storage Bins or Silos: Larger production plants may have storage facilities, such as bins or silos, to store different types and sizes of aggregates before distribution. 9. Quality Control: - Laboratory Testing: Regular quality control testing is performed on aggregates to ensure they meet specifications for strength, size, gradation, and other properties. 10. Environmental Considerations: - Water Management: Some plants incorporate water management systems to recycle and reuse water used in the washing process, minimizing environmental impact. 11. Transportation: - Conveyors or Trucks: Aggregates are typically transported from the production plant to construction sites by conveyors, trucks, or other means.

Condition: new, functionality: fully functional, Year of construction: 2026, A stone crushing plant for sand and aggregate making is a facility where stones and rocks are crushed into smaller pieces or gravel. It typically includes several stages of crushing and screening to produce various sizes and grades of sand and aggregate materials, which are essential in construction, landscaping, and other applications. Here's an introduction to the components and processes involved in a typical stone crushing plant: ### Components of a Stone Crushing Plant 1. Primary Crusher: - Purpose: The primary crusher, often a jaw crusher or gyratory crusher, initially breaks down large rocks into smaller pieces. - Function: It handles raw materials from the quarry or mine and prepares them for further processing. 2. Secondary Crusher: - Purpose: A secondary crusher, such as a cone crusher or impact crusher, further reduces the size of the crushed stones. - Function: It refines the material after primary crushing, producing smaller and more uniform-sized aggregates. Dwjdpfxjq N U Due Ap Dsc 3. Tertiary Crusher (Optional): - Purpose: In some configurations, a tertiary crusher like a vertical shaft impactor (VSI) may be used for shaping and fine crushing. - Function: It produces finely crushed materials for specific applications, such as concrete production or road base. 4. Screening Equipment: - Purpose: Screening equipment like vibrating screens or trommel screens separates the crushed materials into different sizes. - Function: It classifies the aggregates into various grades according to size, ensuring uniformity and meeting specifications. 5. Conveyor Systems: - Purpose: Conveyor belts transport materials between different stages of crushing and screening. - Function: They ensure efficient material handling and continuous operation within the plant. 6. Washing Equipment (Optional): - Purpose: Washing equipment, such as sand washers or scrubbers, may be used to remove impurities from sand and aggregate products. - Function: It improves the quality of the final products by cleaning them and removing fines or contaminants. ### Processes Involved - Primary Crushing: Large rocks are fed into the primary crusher and reduced to a manageable size. - Secondary Crushing: The crushed materials from the primary crusher are further processed by secondary crushers to achieve the desired aggregate sizes. - Screening: The crushed and sized materials are screened to separate them into different sizes and grades. - Material Handling: Conveyor systems transport materials between different stages of the crushing and screening process. Final Product Handling:Finished products, such as sand and various sizes of aggregates, are stored or loaded for transport to customers or construction sites. Applications - Construction: Used in the production of concrete, asphalt, and road base materials. - Landscaping: Provides decorative and functional aggregates for gardens, pathways, and driveways. infrastructure: Essential for building foundations, drainage systems, and structural fill. As for the capacity we have 30 t/h, 30-50 t/h, 50-100 t/h, 100-150 t/h, 150-200 t/h, 200-300 t/h, 300-500 t/h, and both stationary crushing plant and mobile crushing plant are available for option.

Condition: excellent (used), Year of construction: 2019, 2 units in stock, both were only in use for a short contract. Loading basket 1600mm by 800mm Programmable controls. Dwjdpfx Apsramamo Doc

Condition: new, Year of construction: 2026, functionality: fully functional, spindle bore: 38 mm, turning diameter: 280 mm, turning diameter over top slide: 165 mm, center height: 140 mm, turning length: 700 mm, total length: 1,280 mm, total width: 700 mm, total height: 1,650 mm, spindle speed (max.): 1,800 rpm, spindle speed (min.): 70 rpm, bed width: 180 mm, type of input current: three-phase, overall weight: 320 kg, quill mount: MK 5, three-jaw chuck diameter: 160 mm, Equipment: rotational speed infinitely variable, WMP290V-F Lathe & Milling Combination Dedpopz I Iqsfx Ap Djwc with frequency inverter including 2-axis digital readout SINO including premium base cabinet LATHE Centre distance ----- 700 mm Centre height ----- 140 mm Swing over bed ----- 280 mm Swing over cross slide ----- 165 mm Spindle bore ----- 38 mm Spindle taper ----- MT5 Lathe speed range ----- 70-1800 stepless rpm Tailstock taper ----- MT3 Motor power ----- 1.5 kW Weight ----- 230 KG MILLING UNIT Milling head outreach ----- 185 mm Milling speed range ----- 50-2250 stepless rpm Milling spindle taper ----- MT2 Milling head swiveling ----- +/- 90° Quill stroke ----- 50 mm Motor power ----- 750W Weight ----- 75 KG

Condition: used, Year of construction: 2011, front tire size: 650/75R32, rear tire size: 480/80R26, Reinforced floor plate Automatic cutterbar speed control Automatic reel speed control 2 short / stalk dividers Upper grain splash guard Zürn rapeseed header cutterbar / Performance package Univeral concave electric sieve adjustment Semi-automatic / trailed pre Dodpfx Apot Etq Re Djwc

Condition: used, Levelling bar Spring tines Standard point, interchangeable hydr. folding / double crumbler roller mech. depth adjustment Lighting Cat II / III Hitch / Dwedpstt Dacjfx Ap Doc

Year of construction: 2026, condition: new, IWR 2000D - The fruit washer with mill for fruits and vegetables is made entirely of high-quality stainless steel and is equipped with a sorting grate, a washing tank, and a conveyor belt. The fruits are immersed in water and, after pre-washing, transported via the conveyor belt where they are thoroughly cleaned with fresh water. Afterwards, the cleaned fruits enter the mill, where they are processed to the desired mash consistency using the selected sieve. The washing system is also equipped with a dosing attachment for pack presses. Technical Information • Nominal capacity: 1500 kg/h • Power requirement: 3 kW, 400 V, 16 A • Material: WNr. 1.4301, AISI 304 stainless steel • Washing tank water capacity: 120 L per batch • Water consumption: 12 L/min • Water connection: 3/4” quick coupling • Electric control cabinet with IP65 protection rating • Swiveling Rätz mill • Equipped with rollable wheels • Easy to clean Dwedpfx Apotu Ikco Dsc • Through the frequency converter, the conveyor capacity can be easily adjusted Dimensions: Length: 3250 mm Width: 840 mm Height: 2270 mm Weight: 160 kg

Condition: used, Year of construction: 2021, 1430ha GVL until 19.7.2024 with maize kit Fendt cutterbar PF 10,70m / Dedpsucqb Tofx Ap Dswc

Condition: used, Year of construction: 2011, Cutterbar with rapeseed equipment Cutterbar is BJ 2022 Cutterbar Claas Vario / 930 / Djdjt Twuiepfx Ap Dewc

Condition: good (used), Lightbus combination input/output module, input/output module, parallel input/output -Manufacturer: Beckhoff, input-output module -Type: M-1400 -Input voltage: 24V DC -Price per piece Dwedpfx Aedngwhop Djc -Number: 9x available -Dimensions: 270/75/H70 mm -Weight: 1kg/pc.

Year of construction: 2016, condition: as good as new (ex-display), functionality: fully functional, Friction washer Dwedpfx Apsbxadlo Doc Manufacturer: Neue Herbold Drive: 22 kW for cleaning of regrind, especially film flakes, PET- bottles flakes and other hard plastic materials.

Year of construction: 2015, condition: used, functionality: fully functional, machine/vehicle number: 13030301, Equipment: type plate available, We are offering a combined spray painting and drying booth MAXI RANGE 15-NOVA VERTA, which enables both painting and drying operations. The booth is capable of independent operation along its full length or separately in each of its two halves, independently from each other. Dwjdpfx Aoy Iamtep Doc

Condition: excellent (used), Thickness planer and jointer, 350 mm width Router Dsdpfx Ajziuviep Djwc Blade diameter: 300 mm Miter saw with 3000 mm carriage Spindle molder, spindle diameter 35 mm Drilling machine 400 V

Condition: used, Year of construction: 1990, Cleaning machine for beverage crates. Additional title: Cleaning tunnel for beverage crates Capacity filling line: 44000 bo/h capacity at the filler Formats: Crates of 20 and 9 for 0.5-litre NRW bottles Dwsdpjzizxdofx Ap Dsc Material: housing from stainless steel Position: in a floor-standing housing on feet Features: Housing; crate transport; control cabinet with buttons

Condition: reconditioned (used), functionality: fully functional, operating pressure: 160 bar, empty load weight: 49 kg, input voltage: 230 V, fuel: electricity, warranty duration: 6 months, KARCHER HD 6/16-4M COLD WATER PRESSURE WASHER This device features new accessories, including a pressure gun, stainless steel lance, steel braided hose, and adjustable nozzle. A durable brass head with new ceramic pistons and seals guarantees long and trouble-free operation. A highly efficient single-phase motor ensures stable operation even during prolonged use. With operating parameters of 160 bar and 600 l/h, the machine can be effectively used for heavy-duty work in construction, logistics, and agriculture. Each device we offer has individually taken photos; you buy exactly what you see. Dodpfx Apjy S S Nze Djwc TECHNICAL DATA: Model: HD 6/16-4M Power supply voltage [V]: 230 Discharge capacity [l/h]: 600 Operating pressure [bar]: 160 Connection power [kW]: 3.4 Weight [kg]: 49 Dimensions [mm]: 467 x 407 x 1010 Hose [m]: 10 EQUIPMENT: NEW durable pressure gun NEW stainless steel pressure lance NEW reinforced 10m steel braided pressure hose NEW adjustable nozzle WATER FILTER AND GEKA CLAW COUPLINGS - FREE KEY FEATURES: Open oil system - no operating time limits Very clear and intuitive control panel Simple design and easy access to individual components under the housing make the machine user-friendly and easy to service

Condition: reconditioned (used), functionality: fully functional, operating pressure: 170 bar, empty load weight: 96 kg, input voltage: 400 V, warranty duration: 6 months, temperature: 155 °C, KARCHER HDS 798 C HOT WATER WASHER This device features new accessories, including a German R+M gun, stainless steel lance, steel braided hose, and a 25° power nozzle. A durable brass head with new ceramic pistons and seals guarantees long and trouble-free operation. A highly efficient three-phase motor ensures stable operation even during prolonged use. With operating parameters of 170 bar and 750 l/h, the machine can be effectively used for heavy-duty work in construction, logistics, and agriculture. Each device we offer has individually taken photos; you are buying exactly what you see. TECHNICAL DATA: Model: HDS 798 C Power supply voltage (V): 400 ~ 3 phase Discharge capacity (l/h): 750 Operating pressure (bar): 30 - 170 Dodpfx Aezba Nmep Dowc Max. Water heating temperature (C): 80-155 Connection power [kW]: 5.6 Dimensions (L x W x H mm): 940 x 600 x 740 Pressure hose length (m): 10 Weight (kg): 96 EQUIPMENT: NEW durable pressure gun from the German brand R+M NEW stainless steel pressure lance NEW reinforced 10m steel braided pressure hose NEW 25° power nozzle WATER FILTER AND GEKA CLAW COUPLINGS - FREE KEY FEATURES: Open oil system - no operating time limits Built-in chemical tank allows for dispensing cleaning fluid directly through the machine Very clear and intuitive control panel Simple design and easy access to individual components under the housing make the machine user-friendly and easy to service The RM110 water softener tank prevents corrosion and scale buildup inside the heating coil and other pipes.

Condition: reconditioned (used), functionality: fully functional, operating pressure: 140 bar, empty load weight: 94 kg, input voltage: 230 V, warranty duration: 6 months, temperature: 155 °C, KARCHER HDS 558 CSX Eco HOT WATER PRESSURE WASHER This device features new accessories, including a German R+M gun, a stainless steel lance, a steel-braided hose, and a 25° power nozzle. A built-in hose reel allows for easy rewinding and storage. A durable brass head with new ceramic pistons and seals guarantees long, trouble-free operation. A highly efficient single-phase motor ensures stable operation even during prolonged use. With operating parameters of 140 bar and 550 l/h, the machine can be effectively used for heavy-duty work in construction, logistics, and agriculture. Each device we offer has individually taken photos; you are buying exactly what you see. TECHNICAL DATA: Model: HDS 558 CSX Eco Power supply (V): 230 Performance (l/h): 290-550 Pressure (bar): 30-140 Max. temperature (°C): 80/155 Connected power (kW): 3.2 Fuel tank (l): 16 Fuel consumption (kg/h): 3 Weight (kg): 94 Dimensions (L x W x H) (mm): 940 x 600 x 740 EQUIPMENT: BUILT-IN HOSE REEL NEW durable pressure gun from the German brand R+M NEW stainless steel pressure lance NEW reinforced 20m steel braided pressure hose NEW 25° power nozzle WATER FILTER AND GEKA CLAW COUPLINGS - FREE KEY FEATURES: Open oil system - no operating time limit Built-in chemical tank allows for dispensing cleaning fluid directly through the machine Highly legible and Intuitive control panel Dwjdpfx Apszgc Rij Doc Simple design and easy access to individual components under the housing make the machine user-friendly and easy to service. The RM110 water softener tank prevents corrosion and scale buildup inside the heating coil and other pipes.