Tech Products 51378 Vibration Isolator 185 Lb

Product Description

The TECH PRODUCTS 51378 is a plate-and-stud vibration isolator rated for loads up to 185 pounds. It is designed to absorb and dampen mechanical vibration between equipment bases and mounting surfaces, reducing noise transmission and protecting connected structures from cyclic stress. The isolator measures 1.5 inches in diameter and 1 inch in height, with a 5/16-18 threaded stud for secure attachment. HVAC technicians, mechanical contractors, and equipment installers use this type of isolator when mounting compressors, fan assemblies, pumps, and similar vibration-generating equipment to curbs, pads, or structural frames.

This isolator is suited for residential and light commercial HVAC applications where equipment vibration must be controlled at the mounting point. Typical installation scenarios include rooftop unit mounting, indoor air handler bases, pump skids, and small compressor pads. The compact profile and standard 5/16-18 thread make it a practical choice for tight mounting arrangements where space is limited.

Key Features

• 185-pound load capacity provides reliable isolation for a wide range of HVAC and mechanical equipment
• 5/16-18 threaded stud allows direct plate or frame attachment without additional hardware
• 1.5-inch diameter and 1-inch height suit installations with limited clearance
• Plate-and-stud design simplifies alignment during equipment mounting
• Lightweight at 0.5 pounds, minimizing added load to the mounting assembly

Compatibility

Designed as an OEM-style replacement or new-installation vibration isolator for mechanical equipment requiring a 5/16-18 stud mount with up to 185 pounds of load capacity.

Installation Notes

Installation is typically performed by licensed HVAC technicians or mechanical contractors. Power down and de-energize all equipment before removing or installing isolators. Ensure the mounting surface is level and structurally sound before torquing fasteners. Verify the load per isolator does not exceed the 185-pound rated capacity when distributing equipment weight across multiple isolators.