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The TECH PRODUCTS 51355 is a stud-to-stud vibration isolator designed to dampen mechanical vibration and reduce noise transmission in HVAC, refrigeration, and light mechanical equipment installations. Rated for a 96-pound load capacity, it mounts between equipment and a support structure using 5/16-18 threaded studs on both ends. The isolator measures 1-3/8 inches in diameter and 1 inch in height, making it well suited for compact mounting situations where space is limited. HVAC technicians and mechanical contractors use these isolators on compressors, fan assemblies, and small equipment bases where vibration transfer into the building structure must be controlled.
This isolator is appropriate for residential and light commercial HVAC applications, including rooftop units, condensing units, air handlers, and small mechanical equipment pads. It is typically installed at the equipment mounting feet between the unit base and the support frame or rails. The 5/16-18 stud configuration on both ends allows direct inline installation without additional hardware in most standard mounting arrangements. It is sold individually and is suited for replacement or new installation work.
Designed as an OEM-style replacement or new-installation vibration isolator for residential and light commercial HVAC and refrigeration equipment using 5/16-18 threaded stud mounting configurations.
Installation is typically performed by a licensed HVAC technician or mechanical contractor. De-energize and lock out the equipment before removing or installing mounting hardware. Thread engagement on both studs should be checked for full seating before returning the unit to service. Follow local mechanical codes and equipment manufacturer torque guidance for stud fasteners when specified in the equipment service documentation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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