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The MISSION RUBBER MR56 1010 is a 10-inch Calder-style shielded coupling designed to join plastic or cast iron pipe to plastic or cast iron pipe in no-hub drain, waste, and vent (DWV) piping systems. This coupling uses a stainless steel shield and clamp band assembly to compress a rubber gasket against both pipe ends, creating a secure, leak-resistant joint without the need for solvent cement or lead-and-oakum packing. Licensed plumbers and journeymen installers use this type of coupling on new construction and repair work where a mechanical no-hub connection is required at the 10-inch diameter range.
This coupling is suited for underground and above-grade DWV installations in residential and commercial plumbing systems. The Calder coupling design is commonly specified where connecting dissimilar pipe materials is required, such as transitioning from older cast iron drain lines to modern PVC or ABS plastic pipe. It is appropriate for sanitary drain, storm drain, and vent applications within the pipe size it covers.
Designed as an OEM-style mechanical coupling for 10-inch nominal no-hub plastic and cast iron DWV piping systems.
Installation is performed by a licensed plumber following applicable IPC or local plumbing code requirements. Before installation, shut off flow and depressurize or drain the line as appropriate. Pipe ends should be cut square, deburred, and cleaned before the gasket and shield are seated. Clamp torque should be set according to the coupling manufacturer specifications found on the product packaging or installation sheet.
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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