Diversitech 540-800 Marker Valve Action Black

Product Description

The DIVERSITECH 540-800 is a valve action marker designed for use by HVAC, plumbing, and refrigeration technicians who need a reliable marking tool in the field. The black ink and valve-controlled tip deliver precise, consistent lines on pipes, fittings, duct surfaces, and other trade materials. This type of marker is a standard hand tool found in service kits and installation toolbags across residential and commercial trade work.

This marker is suited for general field use where clear, legible marks are needed on metal, plastic, or coated surfaces. Common applications include labeling refrigerant lines, marking pipe cuts, indicating circuit breaker positions, and staging components during installation or maintenance work. It is used by HVAC technicians, plumbers, electricians, and pool service professionals alike.

Key Features

• Valve-action tip for controlled ink flow and consistent line quality
• Black ink for high visibility on light and metallic surfaces
• Compact hand tool format suited for tool belts and service kits
• Versatile for use on pipe, duct, conduit, fittings, and equipment casings

Compatibility

Designed as a general-purpose marking tool compatible with standard trade service and installation workflows across HVAC, plumbing, electrical, and pool service applications.

Installation Notes

No installation is required for this hand tool. Store with the cap secured to prevent ink from drying out. Keep out of direct heat sources and extreme temperatures when not in use. Replace when ink output becomes inconsistent or the tip shows wear.

Technical Specifications

• Product Type: Hand Tool
• Ink Color: Black
• Tip Action: Valve Action

Standard Information

• Brand: DIVERSITECH
• Manufacturer Part Number: 540-800