Oetiker 10500343 1-ear Clamp 1-1/4 Inches Carbon Steel

Product Description

The OETIKER 10500343 is a single-ear stepless hose clamp used to create permanent, vibration-resistant connections on hoses and tubing in plumbing, HVAC, and fluid-handling applications. The clamp features a 1-1/4 inch closed diameter, a 7 mm band width, and a 0.75 mm band thickness, all in carbon steel construction. Once crimped with the appropriate pincer tool, the ear deforms to lock the clamp at a fixed diameter, eliminating the loosening risk associated with screw-type clamps. HVAC technicians, plumbers, and refrigeration mechanics install this style of clamp where a low-profile, permanent seal is required.

This clamp is suited for residential and light commercial applications involving flexible hose or tubing connections. Typical uses include condensate drain lines, coolant hoses, PEX-to-barb fittings, and similar tubing assemblies where a compact, non-adjustable clamp is preferred over a worm-gear or T-bolt style. The single-ear design keeps the installed profile small, which is useful in tight equipment cabinets or confined chases.

Key Features

• Single-ear stepless design provides a permanent, tamper-evident crimp connection
• 1-1/4 inch closed diameter fits standard hose and tubing of that size
• 7 mm band width distributes clamping force evenly across the hose surface
• 0.75 mm band thickness provides consistent crimping without distorting the hose barb
• Carbon steel construction delivers reliable strength for common indoor fluid-handling service

Compatibility

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

Installation Notes

Installation requires a dedicated single-ear clamp pincer tool or crimping tool sized for this clamp style. Shut off fluid flow and relieve any system pressure before removing an existing clamp or fitting. Seat the hose fully onto the barb fitting before positioning the clamp over the ear, and verify the ear is centered over the barb before crimping. Carbon steel clamps are intended for dry or indoor-protected environments; inspect for corrosion if used in high-moisture areas over time.

Technical Specifications

• Clamp Type: 1-Ear Stepless
• Closed Diameter: 1-1/4 inches
• Band Width: 7 mm
• Band Thickness: 0.75 mm
• Material: Carbon Steel

Standard Information

• Brand: OETIKER
• Manufacturer Part Number: 10500343