Oetiker 16705637-100 Ear Clamp 1-1/4 in Stainless Steel

Product Description

The OETIKER 16705637-100 is a single-ear clamp designed for secure, permanent hose and tubing connections in HVAC, plumbing, and fluid-handling applications. The ear-style design is crimped with a pincers tool to create a defined, leak-free seal that cannot be loosened without cutting. Built from stainless steel, this clamp resists corrosion in wet and chemically aggressive environments. The nominal size is 1-1/4 inches, the band is 7 millimeters wide, and the band thickness is 0.6 millimeters. It is installed by licensed plumbers, HVAC technicians, and refrigeration mechanics wherever a reliable, single-use hose clamp is required.

This ear clamp suits residential and light commercial installations where push-fit or barbed hose fittings require a permanent mechanical retention method. Typical applications include condensate drain lines, radiant heating tubing, flexible water supply connections, and low-pressure pneumatic assemblies. The 1-1/4 inch nominal size fits standard tubing and hose in that diameter range. The stainless steel construction makes it appropriate for both indoor and outdoor service where moisture exposure is a concern.

Key Features

• Single-ear crimp design provides a permanent, tamper-resistant hose seal
• Stainless steel construction resists corrosion and oxidation
• 1-1/4 inch nominal size fits standard hose and tubing in that diameter range
• 7 millimeter band width distributes clamping force evenly around the hose
• 0.6 millimeter band thickness maintains strength while conforming to hose contour
• 10 millimeter inner ear width accommodates standard crimping pincers

Compatibility

Designed as an OEM-style replacement or new-installation ear clamp for 1-1/4 inch nominal hose and tubing connections in HVAC, plumbing, and fluid-handling systems.

Installation Notes

Installation requires dedicated ear-clamp crimping pincers; standard worm-gear clamp drivers are not suitable for this clamp type. Shut off fluid supply and depressurize the line before installing or inspecting any hose clamp. Ensure the clamp is seated squarely over the hose bead or barb before crimping. This is a single-use clamp and must be cut off and replaced if the connection needs to be broken.