Arlington Industries 2-1/2" Se...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$143.88
$101.37

Arlington Industries 2-1/2" Service Entrance Mast Kit - Complete Installation System

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Model: MK250ASF
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$143.88
$101.37
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Arlington Industries 2-1/2" Service Entrance Mast Kit

Complete Professional Installation System for Overhead Service Drops

The Arlington Industries 2-1/2" Service Entrance Mast Kit is an innovative complete installation system designed to solve the complexity of overhead service drop installations. This aluminum service entrance kit features a comprehensive assortment of essential components for residential and commercial buildings, delivering the professional-grade reliability and installation efficiency that electrical contractors demand.

Innovative Features & Benefits

Complete System Solution

  • All-in-One Kit Design - Eliminates multiple trips to supply house and ensures component compatibility
  • Professional Grade Components - Includes entrance cap, roof flashing, straps, and lag bolts for complete installation
  • 125-150-200 Ampere Service Rating - Versatile capacity handles most residential and light commercial applications
  • Weather-Resistant Construction - Aluminum materials provide superior corrosion resistance for long-term outdoor performance

Installation Efficiency

  • Pre-Matched Components - All parts engineered to work together seamlessly
  • Time-Saving Design - Reduces installation time with coordinated system approach
  • Professional Results - Ensures code-compliant installations with proper weatherproofing

Technical Specifications

Trade Size: 2-1/2", Material: Aluminum construction, Ampere Service: 125-150-200 amp capacity, Height: 14.508", Color: Silver finish, Weather Rating: Outdoor rated for all-weather applications, Includes: Entrance Cap (129), Roof Flashing (625), Straps (2-346), Lag Bolts (2) 1/2" x 4"

Quick Installation Process

  1. Position roof flashing at desired mast location and mark mounting points
  2. Secure roof flashing with included lag bolts for weatherproof seal
  3. Install conduit mast through flashing opening and secure with straps
  4. Attach entrance cap to top of mast for complete weather protection
  5. Connect service drop conductors according to local electrical codes
  6. Verify all connections are secure and weatherproof for long-term reliability

Perfect Applications

Ideal for:

  • Residential Service Entrances - Single-family homes, townhouses, and residential developments requiring overhead service
  • Light Commercial Buildings - Small retail, office buildings, and commercial structures with moderate power needs
  • Retrofit Projects - Service upgrades and electrical modernization projects
  • New Construction - Ground-up residential and commercial building projects
  • Service Upgrades - Increasing amperage capacity for growing electrical demands
  • Outdoor Installations - All-weather applications requiring superior corrosion resistance
  • Code Compliance Projects - Installations requiring professional-grade weatherproofing and durability
  • Contractor Applications - Professional installations where efficiency and reliability are paramount

Complete Kit Advantage

Arlington's comprehensive kit approach eliminates the guesswork and compatibility issues common with pieced-together installations. Every component is engineered to work together, ensuring proper fit, superior weather protection, and code-compliant results that stand the test of time.

Why Choose Arlington Innovation?

Since 1949, Arlington Industries has been the electrical industry's trusted problem-solver, developing innovative solutions that make installations faster, easier, and more reliable. This complete mast kit represents decades of field experience and engineering expertise, delivering the professional results contractors depend on.

Manufacturer Resources

Product Specs

Ampere Service:
125-150-200
Bottom Reducer:
651
Entrance Cap:
129
Lag Bolts:
(2) 1/2 x 4
Material S :
Aluminum
Roof Flashing:
625
Standard Packaging:
1pc
Straps:
(2) 346
Trade Size:
2-1/2"
Product Type:
Service Entrance Accessories
Product Group:
Power Entry Systems
Department:
Electrical
Product Subgroup:
Service Entrance
Product Color:
Silver
Product Height:
14.508"
Product Weight:
5.200 lbs/each
Product Width:
10.768"

Arlington Industries MK250ASF – Frequently Asked Questions

How fast can I get the Arlington Industries MK250ASF delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Arlington Industries MK250ASF come with a warranty?
Absolutely. The Arlington Industries MK250ASF is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Arlington Industries MK250ASF?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Arlington Industries MK250ASF from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.