
( Brand: Markel Products ), ( Manufacturer Part Number: 20-480360-25.0-24 ), ( Part Type: Unit Heater ), ( Country Of Origin: Usa ), ( Material: 14 Ga. Steel Cabinet )
The Markel 20-480360-25 0-24 Hour Hazardous Location Unit Heater, HLA, is a versatile and reliable heating solution designed specifically for use in hazardous locations. This unit heater is ideal for various industrial applications, particularly in environments where the risk of explosion due to ignitable dust, fibers, or gases is present.
The Markel HLA heater is a Type D, Class I, Division 1 and 2, Group A, B, C, and D certified appliance, ensuring it complies with the stringent safety requirements for hazardous locations. It is designed tooperate in areas containing combustible gases, vapors, and fibers, making it an essential piece of equipment for facility managers and engineers seeking to maintain worker safety and operational efficiency.
The Markel 20-480360-25 HLA features a rugged and durable design, key elements of which include a heavy-duty steel housing, a high-temperature, cylindrical insulation design, and a weldedifURN1427-compliant fuel gas at the point of use, ensuring maximum reliability and longevity in even the harshest environments. The unit heater's size is compact yet capable, with dimensions of 18 inches in length, 14.5 inches in width, and 14 inches in height, allowing it to be easily installed in confined spaces.
Powered by a 0.5 to 24 kW O.F.C./P.F.E. natural gas burner, the Markel HLA heater offers flexibility when it comes to energy source and output, catering to various industrial applications. It is also equipped with essential safety features such as an automatic ignition system with flame monitoring and a high-limit safety switch for added peace of mind.
Operation of the Markel 20-480360-25 HLA is simple and intuitive, with a single control knob that allows users to adjust temperature easily, ensuring optimal performance and comfort. Furthermore, the unit heater comes with a tag-mounted operating manual, simplifying maintenance procedures.
The Markel 20-480360-25 0-24 Hour Hazardous Location Unit Heater is also easily vented, offering manifold options for flexible installation and various venting choices like top or side. Additionally, the integrated fan blower makes the unit suitable for both ground and wall mounting configurations.
In conclusion, the Model 20-480360-25 HLA from Markel is an advanced and robust heating solution for your hazardous locations. Offering adaptability, reliability, and industry-standard certifications, this compact and efficient unit heater ensures worker safety, high operational efficiency, and a significant reduction in downtime. Its robust design, reliable performance, and user-friendly features make it an excellent investment for various industries.
1. Overview
The Markel 0-24 Hazardous Unit Heater, Model 20-480360-25, is a popular choice for industrial and commercial applications where heating hazardous locations is essential. Here are the pros and cons of purchasing this heater.
2. Pros
A. Approvals: Holds multiple approvals from organizations like UL, CSA, and FM for use in Class 1 and Class 2 Division 1 and Division 2 hazardous locations.
B. Durability: Constructed using 316L stainless steel, which is highly resistant to corrosion and suitable for various chemical environments.
C. Versatility: Offers multiple mounting options, including overhead and wall-mounted configurations.
D. Efficiency: Equipped with a modulating control that maintains consistent heating performance while minimizing energy consumption.
E. Simplified design: For easier maintenance, it features six access doors and a reversible electric motor for extended motor life.
3. Cons
A. Cost: The Markel 20-480360-25 is more expensive than standard non-hazardous unit heaters due to its specific design and approvals.
B. Complex installation: Installing a hazardous unit heater requires extensive knowledge of electrical wiring and safe rod and wire connection method for Class 1 locations.
C. Limited temperature controls: Although it offers a modulating control, it might not provide as precise temperature adjustment compared to separate thermostats or precise control systems.
D. Size and weight: Being designed for hazardous locations, the heater is larger and heavier than standard unit heaters, which may impact installation and relocation difficulties.
4. Conclusion
The Markel 0-24 Hazardous Unit Heater is a robust, durable, and efficient solution for hazardous locations that need heating. It comes with various approvals, is constructed from high-quality materials, and offers improved maintenance access. However, its cost, complex installation process, and limited temperature controls may outweigh the benefits for some users.
5. Recommendation
If you need to heat a hazardous location and safety is your primary concern, the Markel 20-480360-25 may be an excellent investment due to its UL, CSA, and FM approvals for safe operation in hazardous environments. Its versatility, efficiency, and durability make it an ideal solution for long-term use in harsh conditions. However, if you are not working in such an environment, it might be more economical to invest in a standard unit heater for your needs.
Pounds material:14 ga.
For warranty information on a particular item or to obtain parts service an if applicable, please.
Hazardous location unit heater, fan forced, voltage 480, amps ac 32. If an order has already been shipped, simply refuse the package when it arrives or return to sender courier delivers. 8, phase: 3, air flow: 2450 cfm , overall height , width : depth: 22-1 2 Hz: 60, contractor coil voltage : 24, cabinet 12-1 housing material: 14 ga. Power equipment: trimmers, mowers, chain saws, etc.
Mon-Fri 7am-4:30pm CST.
Steel cabinet, housing finish: gray epoxy textured powder coated, features: cast aluminum terminal enclosure, stainless cartridge element, easy access of control compartment, heaters can be installed on all types wall surfaces, electric explosion proof unit heaters, manufacturers warranty length : 1 yr.
Further warranty may be offered by the product manufacturer. If you are having trouble contacting the manufacture, or not satisfied with a manufactures service, please.
Warranty issues with all power equipment must be addressed through the manufacture.