Johnson Level Tool 1234-4800 48 in Aluminum I-beam Level

Product Description

The JOHNSON LEVEL TOOL 1234-4800 is a 48-inch heavy-duty aluminum I-beam level built for demanding jobsite conditions across HVAC, plumbing, electrical, and general construction trades. The extruded aluminum I-beam frame provides structural rigidity while keeping weight manageable at 2.6 pounds. Oversized vials measuring 0.5 inches in diameter make it easy to read level and plumb in low-light or fast-paced conditions. Integrated magnetic capability allows hands-free use on ferrous surfaces, and a top-read window lets technicians check horizontal level without repositioning.

This level is suited for residential and commercial trade work where fast, accurate leveling is required. HVAC installers use it when setting equipment bases, air handlers, and condenser pads. Plumbers rely on it for drain slope and fixture alignment. Electricians use it for panel and conduit runs. The 48-inch length covers a wide range of layout and alignment tasks without the bulk of a longer level.

Key Features

• Heavy-duty aluminum I-beam frame for durability and long-term accuracy
• Oversized 0.5-inch diameter vials for fast, clear readings
• Top-read window simplifies horizontal vial viewing without repositioning
• Magnetic base allows hands-free placement on steel and iron surfaces
• Replaceable vial cover plates extend service life
• Shock-absorbing end caps protect the frame from drop damage on the jobsite

Compatibility

Designed as a general-purpose 48-inch magnetic I-beam level suitable for HVAC, plumbing, electrical, and construction trade applications.

Installation Notes

No power shutoff is required for level use. Store the level horizontally or vertically on a flat surface to preserve vial accuracy over time. Avoid dropping or striking the frame against hard surfaces, even with end caps in place, as repeated impact can affect calibration. Periodically verify accuracy by checking the vial reading against a known flat reference and reversing the level 180 degrees.

Technical Specifications

• Length: 48 inches
• Frame Material: Aluminum I-beam
• Vial Diameter: 0.5 inches
• Weight: 2.6 pounds
• UPC: 00049448125241
• Sold As: Each

Standard Information

• Brand: JOHNSON LEVEL TOOL
• Manufacturer Part Number: 1234-4800