Ashcroft 61379S02LXLL300 Pressure Gauge 6 in 300 Psi

Product Description

The ASHCROFT 61379S02LXLL300 is an analog pressure gauge designed for industrial and mechanical service applications requiring accurate pressure monitoring. It features a 6-inch dial for clear readability at a distance and measures pressure from 0 to 300 psi. The wetted parts are stainless steel, making the gauge suitable for use with mildly corrosive media. The aluminum case keeps weight manageable without sacrificing durability. Accuracy is rated at 0.5 percent of scale, which meets the demands of most HVAC, plumbing, and process piping applications. Connection is via a 1/4-inch lower-mount thread, positioning the port at the bottom of the gauge for direct inline or panel installations. This gauge is a dry (no-fill) type.

This gauge is well-suited for residential and light commercial HVAC systems, plumbing pressure testing, boiler systems, and general process piping where reliable static pressure readings are needed. The lower-mount configuration is commonly used when the gauge mounts directly to a pipe, manifold, or panel fitting. The 6-inch dial size makes it a practical choice for installations where operators need to read pressure from several feet away without additional instrumentation. Stainless steel wetted parts extend service life when the gauge contacts water, mild refrigerants, or non-aggressive process fluids.

Key Features

• 6-inch analog dial for high-visibility pressure reading at a distance
• 0 to 300 psi measurement range covers most HVAC and plumbing applications
• 0.5 percent of scale accuracy for reliable readings
• Stainless steel wetted parts resist corrosion from water and mild process media
• Aluminum case reduces overall weight while maintaining structural integrity
• Lower-mount 1/4-inch thread for direct pipe or manifold connection
• Dry no-fill design simplifies maintenance and suits non-pulsating service

Compatibility

Designed as an OEM-style replacement or new-installation pressure gauge for HVAC, plumbing, boiler, and general process piping systems requiring a 6-inch lower-mount analog gauge with a 1/4-inch connection and a 0 to 300 psi range.

Installation Notes

Installation is typically performed by licensed plumbers, HVAC technicians, or pipefitters in accordance with applicable local codes and ASME B40.100 gauge standards. Shut off and depressurize the system fully before removing an existing gauge or installing this unit. Apply thread sealant or PTFE tape to the 1/4-inch male threads per the system requirements, and do not over-tighten, as aluminum case components can be damaged by excessive torque. For pulsating or high-vibration service, consider whether a liquid-filled gauge is more appropriate for the application.