Used Grant Jb1 Heated Water Bath for sale (18,412)

Condition: used, This listing is for the Thermo Scientific Precision CIR19 Heated Circulating Bath The unit is in full working condition and is ready for immediate use The Precision CIR‑19 is a robust and reliable lab tool tailored for high-precision temperature-sensitive workflows. Its strengths include excellent uniformity, precise digital control, safe operation features, and ease of maintenance. Whether you're incubating samples or performing delicate assays, it’s built to deliver consistent, reproducible results Overview & Applications The Precision CIR‑19 is a high-performance 19 L (5 gal) circulating water bath engineered for applications demanding strict temperature uniformity and control—think enzyme reactions, serological assays, or any sensitive method where thermal consistency matters. Key Features Perimeter-directed water flow for superior temperature uniformity. Coil-free internal design, making cleaning and maintenance a breeze. Microprocessor-based digital control, displayed via a monochrome LCD. Auto-on/auto-off timers and audible alarms, enhancing scheduling and safety. Low-fluid (dry-run) protection, guarding against overheating or damage. Hinged lid with extended height, ideal for accommodating taller labware. Supplied with a stainless steel gable cover, diffuser tray, and the quirky but useful rubber duck. Bedpfxexhfpwj Apvelk

Condition: used, This listing is for the Thermo Haake SC100 Water Bath + Immersion Circulator. The unit is in full working condition and ready for immediate use. Bjdpfxsy H Dlqe Apvolk Thermostatic water bath with integrated immersion circulator, designed for accurate temperature control in research and industrial labs. Ideal for sample incubation, heating, and fluid temperature regulation. Transparency Report and Technical Audit: • Source Pedigree: Biotech / Research Facility • Condition: Direct-from-Bench (Decontaminated/Original) • Power-On Test: Verified; Digital display active, lighting operational, and fan system engaged. • Integrity: 100% Original Parts (Non-Refurbished) Notice for Procurement: This unit is sold As-Is. While we verify the power-on status and physical integrity, we do not perform analytical validation, fluidic testing, or operational calibration. Ideal for labs with in-house technical expertise or existing service agreements. Sustainability Impact: By choosing Direct Reuse, your facility avoids the carbon footprint of new manufacturing and prevents specialized materials from entering waste streams. Direct-to-Lab reuse is the most carbon-efficient way to equip a modern laboratory.

Condition: good (used), Lohberger Food Serving Unit Dimensions: Width: 2100 mm Depth: 850 mm Height: 800 mm Height with glass shelf: 1170 mm Depth with tablet shelf: 1180 mm Basins: W x L x D 300 x 510 x 200 mm Water supply via water connection on the basins Bodpfsxqx Rgex Apvslk Find more items - new and used - in our shop! International shipping costs upon request!

Condition: good (used), Lohberger Stove Oven Water Bath Brainmarie Salamander Water Bath E.WS09EBM2.1 (2.3 kW) 4-Burner Stove E-4/850 (17 kW) 2-Burner Stove E-2/850 (6.8 kW) Oven eloma SA1 Salamander (2.1 kW) Faucet Dimensions: Width: 2250 mm Depth: 850 mm Height: 750 mm Bsdpfexqyfxox Apvjlk Backsplash: 60 mm Hotplates: 300 x 300 mm Water Bath: 510 x 610 210 mm Financing through our bank is also possible. komplett-konzept.leasingo.de Find more items - new and used - in our shop! International shipping costs on request!

Condition: excellent (used), Water evaporator heat exchanger Blodpfx Aexxccpepvsk

Condition: used, General Description: This listing is for the Grant Instruments TXF200 Circulating Bath. The unit is in full working condition and ready for immediate use. This high-specification stirred thermostatic bath offers precise temperature control and an intuitive digital interface. Designed for versatility, it supports both internal and external circulation, making it ideal for calibration, cooling, and general laboratory heating tasks. Transparency Report and Technical Audit: • Source Pedigree: Biotech / Research Facility • Condition: Direct-from-Bench (Decontaminated/Original) Bedoyw Nicspfx Apvelk • Power-On Test: Verified; Digital display active, lighting operational, and fan system engaged. • Integrity: 100% Original Parts (Non-Refurbished) • Software and Media Disclosure: As a Direct-from-Lab asset, any original software media or accessories found with the unit are included as a courtesy. Licensing Notice: We do not provide, transfer, or guarantee software licenses or keys. The buyer is responsible for all software licensing, registration, and workstation compatibility via the manufacturer. Notice for Procurement: This unit is sold As-Is. While we verify the power-on status and physical integrity, we do not perform analytical validation, fluidic testing, or operational calibration. Ideal for labs with in-house technical expertise or existing service agreements. Sustainability Impact: By choosing Direct Reuse, your facility avoids the carbon footprint of new manufacturing and prevents specialized materials from entering waste streams. Direct-to-Lab reuse is the most carbon-efficient way to equip a modern laboratory.

Condition: used, This listing is for a Clifton Unstirred Water Bath Blsdpfx Aoxzguzspvek

Condition: used, This listing is for a Aurora scentific water bath Blodpexzh Hxofx Apvok

Condition: used, This listing is for the Grant QBT1 Heat Block Blsdpfxsx S H D Hs Apvsk The unit is in full working condition and is ready for immediate release The Grant Model QBT1 Dry Block Heater With 24x10.5mm Well Block is a compact dry block heater designed for laboratory temperature-controlled heating of small sample tubes. It’s part of Grant Instruments’ dry block heater family, used widely in molecular biology, biochemistry and general lab work for consistent incubations or reactions in tubes A dry bath / heat block heater that provides precise, stable heating for tubes (especially 1.5 mL Eppendorf-style tubes), without using water or oil baths. The heat is delivered through a removable aluminium block tuned to fit a specific tube format — in this case typically 24×1.5 mL tubes

Condition: used, This listing is for the Grant SAP 2S SUB Aqua Bath The unit is in full working condition and is ready for immediate use The Grant SUB Aqua Pro 2S is a compact, high-performance digital water bath ideal for laboratory applications requiring precise temperature control. Designed to meet the rigorous demands of research, education, and quality control, this model offers a value-for-money solution without compromising on quality or functionality. Key Specifications Bjdpfsxv Dbbjx Apvolk Tank Capacity: 2 litres (shallow format) Working Area (L x W): 139 x 289 mm Overall Dimensions (L x W x H): 215 x 335 x 150 mm Temperature Range: Ambient +5ºC to 99ºC Stability (DIN 12876-3 @ 70ºC): ±0.2ºC Resolution: 0.1°C Control: Digital, with programmable presets Weight: ~3 kg Voltage Options: 120V or 230V Included: Lid and base tray Safety Features: Dry start/run dry protection Over-temperature alarm High-temperature safety cut-out

Condition: used, This listing is for the Grant Bath QBT1 Blodpfx Apjx Trc Devek The unit is in full working condition and is ready for immediate release The Grant QBT1 is a digital dry block heater designed for laboratory use. It’s a compact heating unit used to incubate, heat or maintain samples at precise controlled temperatures without water. This type of equipment is common in molecular biology, biochemistry, and general wet lab workflows for tasks like enzyme reactions, incubations, or sample preparation The QBT1 dry block heater is used for: Incubation of samples at controlled temperatures Enzyme reactions and denaturation/activation steps Sample pre-heating before assays Maintaining temperature during experimental protocols

Condition: used, This listing is for a Grant QBT1 Heat Block. The unit is in full working condition and is ready for immediate release. The Grant QBT1 Heat Block is a compact, highly precise dry block heater designed for laboratory applications that require consistent temperature control. This unit is ideal for heating and incubating samples in 1.5 mL Eppendorf tubes, and it is known for its reliability and ease of use. Key Features: Wide Temperature Range: The heat block operates within a temperature range of ambient +5°C to 150°C, making it suitable for a variety of laboratory applications. Precision Temperature Control: With ±0.1ºC temperature stability at 37°C and uniformity of ±0.1ºC within the block and ±0.2ºC across similar blocks, it ensures accurate temperature maintenance for sensitive samples. Digital Display: The display has a 1°C resolution, allowing for easy monitoring and precise setting of the temperature. Bledexxz Uqjpfx Apvok Heating Block Capacity: Equipped with a block for 24 x 1.5 mL Eppendorf tubes, it provides ample space for small sample incubation's, making it ideal for molecular biology and biochemistry experiments. Efficient Heating: The heat block has a heat-up rate of 40 minutes to reach the maximum temperature from ambient conditions. Compact and Portable: With dimensions of 205 x 180 x 122 mm and a weight of 3.6 kg, it is a compact unit that fits easily on a laboratory benchtop.

Condition: used, This listing is for a Grant UBR2 Heat Block. The unit is in full working condition and is ready for immediate release. Bodpoxxz Hyefx Apvjlk The Grant UBR2 Heat Block is a reliable and efficient heating solution designed for various laboratory applications, including DNA extraction, enzyme reactions, and sample incubation. With precise temperature control and a robust design, the UBR2 ensures consistent heating for optimal experimental results. Key Features: Temperature Range: Operates from ambient to 100°C, providing versatility for a wide range of applications. User-Friendly Controls: Equipped with a large LED display and intuitive controls for easy temperature setting and monitoring. Rapid Heating: Quickly reaches set temperatures, minimizing wait times and enhancing productivity in the lab. Uniform Heat Distribution: Designed with a high-quality aluminum block that ensures even heat distribution across all wells, promoting consistent sample heating. Versatile Block Compatibility: Accepts various block inserts (available separately) to accommodate different tube sizes and formats, making it adaptable for different experiments. Safety Features: Incorporates over-temperature protection and a safety cut-off feature to prevent overheating, ensuring safe operation. Applications: DNA & RNA Preparation: Ideal for use in molecular biology applications, including DNA extraction and purification processes. Enzyme Reactions: Perfect for incubating samples at controlled temperatures for enzyme assays and reactions, ensuring optimal conditions for activity. Sample Incubation: Suitable for incubating various samples, from cell cultures to biochemical assays, requiring consistent and reliable heating. Thermal Cycling: Can be used for specific thermal cycling applications where controlled heating is essential for reaction efficiency.

Condition: used, This listing is for a Grant QBA1 Heat Block . The unit is in full working condition and is ready for immediate release. Bsdpfoxxz Rrox Apvslk The Grant QBA1 Heat Block is a specialized component of the Grant Instruments QB Series Dry Block Heating Systems, designed for optimal temperature management and versatility in laboratory applications. This heat block is particularly beneficial for users needing reliable and precise heating for various biochemical and molecular biology experiments. Key Features: Interchangeable Blocks: The QBA1 Heat Block is designed to fit seamlessly into the Grant QB Series Dry Block Heating Systems. This interchangeability allows for quick transitions between different blocks depending on the specific requirements of each application, enhancing workflow efficiency. Precision Temperature Control: One of the standout characteristics of the Grant QB Series is its ability to deliver excellent temperature control and uniformity across the heating surface. This precision is critical for experiments that require exact temperature settings, such as enzyme reactions and temperature-sensitive processes. Wide Range of Applications: Enzyme Digestions: The QBA1 Heat Block is ideal for applications requiring consistent and controlled heating for enzyme activity, facilitating reactions at optimal temperatures. Enzyme Activity Studies: It provides a stable platform for studying enzyme kinetics and other parameters, ensuring accurate and reproducible results. Nucleic Acid Hybridizations: The heat block is suitable for heating samples needed in nucleic acid studies, making it useful for hybridization assays and PCR preparations. High-Quality Design: The Grant QB Series Dry Block Heating Systems, including the QBA1 Heat Block, are constructed from robust materials that ensure durability and reliability. This quality design withstands the rigors of laboratory use, making it suitable for demanding environments where consistency is crucial.

Condition: used, This listing is for the Grant Instruments SUB Aqua 5 Plus Water Bath The unit is in full working condition and is ready for immediate release The Grant SUB Aqua Pro series offers a range of high-quality, unstirred water baths designed for precise temperature control in laboratory applications. These baths are ideal for tasks such as sample incubation, media preparation, and quality control.​ Key Features: Bjdpexv A N Dsfx Apvslk Steady boiling via adjustable energy regulator Constant level device ensures stable operation and liquid consistency Robust, wear-resistant construction for daily lab use Simple, intuitive controls for quick temperature setup Non-drip polycarbonate lid included as standard Ideal For: Continuous boiling applications Industrial and routine lab use High-throughput or budget-conscious environment

Condition: excellent (used), Year of construction: 2024, For sale: Professional water treatment and preparation unit – UWS Heaty Profiline 100 No 2. This is a mobile device designed for use in heating systems, water installations, and HVAC service. Perfect for flushing, filling, and treating installations. Equipment is in excellent technical condition, fully complete and ready for operation. ⚙️ Technical data: Manufacturer: UWS Technologie GmbH Model: Heaty Profiline 100 No 2 Year of manufacture: 2024 Power supply: 230 V / 50–60 Hz Power: 0.5 kW Weight: approx. 59 kg Max. operating temperature: 80°C Max. pressure: 6 bar 🔧 Equipment features: - Integrated tank - High-quality EBARA pump - Flow meters - Pressure gauges - Control valves - Mobile transport trolley - Documentation and accessories (as seen in the photos) 🔍 Condition: - Used device - Very good technical condition - Minor, normal signs of use - Fully complete ⚠️ Remarks: - One pressure gauge has a damaged housing/cover (visible in the photos) - Operation of this pressure gauge has not been checked - The part can be easily replaced if needed Bjdpoyz Dhzsfx Apvjlk 📦 Applications: - Heating installations - Water installations - Service and cleaning of installations - HVAC systems 🚚 Delivery: - Pallet shipping available - Collection in person possible

Condition: used, This listing is for a Grant QBD1 Digital Dry Block Heater. The unit is in full working condition and is ready for immediate release. Discover the precision and efficiency of the Grant QBD1 Digital Dry Block Heater, designed to meet the rigorous demands of modern laboratories. This high-precision heating system offers exceptional temperature control, making it ideal for a variety of applications, including enzyme digestions, nucleic acid hybridizations, and general laboratory tasks. Key Features: Wide Temperature Range: Operates from ambient +5°C to 130°C, providing versatility for various heating needs. Single Block Position: Equipped with one removable and interchangeable block, allowing for easy customization based on your specific requirements. Digital Temperature Control: Enjoy precise temperature management with stability and uniformity of ±0.1°C, ensuring reliable results every time. Rapid Heat-Up Time: Quickly reaches your desired temperature, enhancing workflow efficiency in busy lab environments. Integral Timer Function: Optional external probe capability allows for accurate in-sample or in-block temperature monitoring. Bedpfoxv Dawox Apvslk Technical Specifications: Dimensions: 200 x 240 x 120 mm (w x d x h) Robust and Compact Design: Features a contemporary design and includes a block extraction tool for safe and easy block removal. Benefits: High Precision: Achieve consistent and accurate heating for sensitive experiments. User-Friendly: The intuitive design ensures ease of use, making it suitable for both experienced and novice lab personnel. Durable Construction: Built to withstand the demands of daily laboratory use, ensuring long-lasting performance. Elevate your laboratory's capabilities with the Grant QBD1 Digital Dry Block Heater. Experience unmatched precision and reliability, making it an essential tool for any scientific setting.

Condition: used, This listing is for 1 of 6 Grant EntericBio Heatstation. The unit is in full working condition and is ready for immediate release. The EntericBio Heatstation is a crucial component of the EntericBio system, specifically engineered for the heat treatment of inoculated Stool Preparation Solution (SPS) tubes. This step is vital in preparing samples for molecular diagnosis of gastrointestinal infections. Key Features: Bjdpfx Apoxxygrsvelk - Precise Temperature Control: The Heatstation operates at a consistent 103°C for 30 minutes, ensuring effective treatment of samples to inactivate pathogens and prepare nucleic acids for further analysis. - Compact Design: With dimensions of 200mm (W) x 100mm (H) x 370mm (D), the Heatstation is designed to fit easily into laboratory workflows without occupying excessive space. - Integration with EntericBio System: The Heatstation works seamlessly with the EntericBio Workstation, which automates the setup of reactions. This integration enhances productivity by streamlining the sample preparation process. - High Throughput: The system can process up to 46 samples per run, providing a rapid solution for laboratories needing to manage large volumes of diagnostic tests. Performance: - Rapid Results: The entire process, from sample treatment to result availability, can be completed within 3 hours. This speed is essential for timely diagnosis and treatment of gastrointestinal infections. Applications: - The EntericBio Heatstation is specifically designed for: Molecular Diagnosis of Gastrointestinal Infections: Ideal for laboratories specializing in infectious disease diagnostics, it ensures accurate sample preparation for downstream analyses.

Condition: used, This listing is for a Grant Instruments QBD1 Digital Dry Block Heater. (1 of 2 available) The unit is in full working condition and is ready for immediate release. Discover the precision and efficiency of the Grant QBD1 Digital Dry Block Heater, designed to meet the rigorous demands of modern laboratories. This high-precision heating system offers exceptional temperature control, making it ideal for a variety of applications, including enzyme digestions, nucleic acid hybridizations, and general laboratory tasks. Bsdpfxexv Az Hj Apvjlk Key Features: Wide Temperature Range: Operates from ambient +5°C to 130°C, providing versatility for various heating needs. Single Block Position: Equipped with one removable and interchangeable block, allowing for easy customization based on your specific requirements. Digital Temperature Control: Enjoy precise temperature management with stability and uniformity of ±0.1°C, ensuring reliable results every time. Rapid Heat-Up Time: Quickly reaches your desired temperature, enhancing workflow efficiency in busy lab environments. Integral Timer Function: Optional external probe capability allows for accurate in-sample or in-block temperature monitoring. Technical Specifications: Dimensions: 200 x 240 x 120 mm (w x d x h) Robust and Compact Design: Features a contemporary design and includes a block extraction tool for safe and easy block removal. Benefits: High Precision: Achieve consistent and accurate heating for sensitive experiments. User-Friendly: The intuitive design ensures ease of use, making it suitable for both experienced and novice lab personnel. Durable Construction: Built to withstand the demands of daily laboratory use, ensuring long-lasting performance. Elevate your laboratory's capabilities with the Grant QBD1 Digital Dry Block Heater. Experience unmatched precision and reliability, making it an essential tool for any scientific setting.

Condition: used, This listing is for a Grant QBD1 Digital Dry Block Heater. (1 of 2 available) The unit is in full working condition and is ready for immediate release. Discover the precision and efficiency of the Grant QBD1 Digital Dry Block Heater, designed to meet the rigorous demands of modern laboratories. This high-precision heating system offers exceptional temperature control, making it ideal for a variety of applications, including enzyme digestions, nucleic acid hybridizations, and general laboratory tasks. Key Features: Wide Temperature Range: Operates from ambient +5°C to 130°C, providing versatility for various heating needs. Single Block Position: Equipped with one removable and interchangeable block, allowing for easy customization based on your specific requirements. Digital Temperature Control: Enjoy precise temperature management with stability and uniformity of ±0.1°C, ensuring reliable results every time. Rapid Heat-Up Time: Quickly reaches your desired temperature, enhancing workflow efficiency in busy lab environments. Bsdpjxv Dvlsfx Apvolk Integral Timer Function: Optional external probe capability allows for accurate in-sample or in-block temperature monitoring. Technical Specifications: Dimensions: 200 x 240 x 120 mm (w x d x h) Robust and Compact Design: Features a contemporary design and includes a block extraction tool for safe and easy block removal. Benefits: High Precision: Achieve consistent and accurate heating for sensitive experiments. User-Friendly: The intuitive design ensures ease of use, making it suitable for both experienced and novice lab personnel. Durable Construction: Built to withstand the demands of daily laboratory use, ensuring long-lasting performance. Elevate your laboratory's capabilities with the Grant QBD1 Digital Dry Block Heater. Experience unmatched precision and reliability, making it an essential tool for any scientific setting.

Condition: new, functionality: fully functional, empty load weight: 115 kg, input voltage: 230 V, warranty duration: 24 months, temperature: 95 °C, KARCHER HG 64 HEATER TECHNICAL DATA: Model: HG 64 Manufacturer: KARCHER Catalog number: 1.030-510.0 Type: Hot water generator Country of manufacture: Germany Series: Professional Condition: NEW Bledpfx Apjxykwwsvjk Power supply type (Ph/V/Hz): 1 / 230 / 50 Connected load (kW): 0.3 Inlet temperature (max): 80°C Minimum inlet volume: 400 l/h Water pumping capacity (l/h): 400-1300 Safety valve operating pressure (max): 220 bar Hot water operating temperature (max): 95°C Burner power: 64 kW Fuel oil consumption (max): 5.9 kg/h Fuel tank: 20 L Fuel type: EL heating oil or diesel Operating weight: 115 kg Dimensions (L x W x H) (mm): 880 x 680 x 860 ADVANTAGES OF THE KARCHER HG 64: Robust and durable device - High-performance burner manufactured using "Made in Germany" technology. Proven Kärcher safety technology guarantees protection for the device and user. Increased cleaning performance thanks to the use of hot water - Shorter cleaning times and lower labor costs. More effective removal of oils, fats, and grease. Effective germ removal and protection of delicate surfaces. Exceptionally easy maintenance - Easy access to all parts requiring service and maintenance. Integrated fuel filter and removable fuel tank for cleaning. KARCHER HG 64 KIT EQUIPMENT: Karcher Classic gun – M22 thread Karcher 1050 mm spray lance 10 m hose – DN8 – 250 bar – 100°C – M22/M22 Connecting hose (high pressure washer – water heater): 3 m – DN8 – 315 bar – 60°C

Condition: new, functionality: fully functional, empty load weight: 105 kg, input voltage: 230 V, warranty duration: 24 months, temperature: 95 °C, Technical Data: Condition: NEW Catalog Number: 1.030-500.0 Power Type (Ph/V/Hz): 1 / 230 / 50 Connected Load (kW): 0.3 Inlet Temperature (max.): 50°C Inlet Flow Rate (min.): 400 l/h Water Flow Rate (l/h): 400-1000 Safety Valve Operating Pressure (max.): 200 bar Hot Water Operating Temperature (max.): 95°C Burner Output: 43 kW Heating Oil Consumption (max.): 3.5 kg/h Fuel Tank: 20 L Bjdpfxjxtc Rce Apvslk Fuel: Heating Oil EL or Diesel Operating Weight: 105 kg Length x Width x Height (mm): 880 x 680 x 860 Scope of Delivery: Classic Hand Spray Gun - M22 Thread Spray Lance: 1050 mm Hose: 10 m - DN8 - 250 bar - 100°C - M22/M22 Hose (connection between high-pressure cleaner and hot water generator) - 3 m - DN8 - 315 bar - 60°C Durable unit: - The robust frame provides protection during continuous and intensive use. - All parts requiring maintenance are easily accessible. - Integrated fuel filter and the option to remove the fuel tank for cleaning.

Condition: excellent (used), functionality: fully functional, Electric water heater Bledpfxevbfvhs Apvsk Maximum power - 18kW

Condition: excellent (used), Motan DH-1 N-A/B instantaneous water heater, loadable You are buying a functional Motan instantaneous water heater. The device comes from Bundeswehr stocks and is in very good condition. Versatile in use, e.g. as a pool heater The bestseller for heating swimming pools in no time at all. A 100 m³ swimming pool heats up to 30 C in 3 hours. There is no quicker way to heat water. Perfect for use wherever there is no electricity. Tent camp, weekend house, building site, camping. Its effective output is infinitely variable from 40.5 kW to 128 kW. Despite its high output, the appliance is still portable at a weight of 130 kg. As the water temperature can be set anywhere between 30°C and 90°C, the appliance is can be set as required, the appliance is very versatile, e.g. as a hot water generator for camp showers, for hot water production. Also perfect for koi facilities and koi ponds. Technical data: Bledpfx Apoulgh Nsvsk Output: 35000 kcal/h to 110000 kcal/h infinitely variable (40.5 kW to 128 kW) Largest water volume: approx. 3600 l/h of water at maximum heat output. At max. water flow, the temperature increase is approx. 30°C, i.e. at 10°C. Water flow temp. and 30°C Increase = 40°C Final temperature Drive: Petrol engine Fichtel & Sachs, Stamo 75 Displacement: 75 ccm Power: 2.5 hp at 4500 rpm Consumption: approx. 1.8 l/h mixture 1 : 25 (for the engine!) For the burner depending on the amount of water max.: 24l/h gasoline with max. flow rate of 3600 l/h Tank capacity: 5 liters Dimensions Width: 500 mm, length: 1040 mm, height: 850 mm Weight: approx. 130 kg Manufacturer's price: 8000,-€ You can find more items - new and used - in our store! International shipping costs on request!

Condition: used, functionality: unexamined, machine/vehicle number: 10110746, Used Julabo ED F12 circulation bath with chiller/heater functionality Bledpjyvrkmefx Apvek Manufacturer: Julabo Labortechnik Gmbh Model: ED F12 Voltage: 190-253V (50Hz) (230V) Refrigerant: R134a