Durable 4-Inch RC Coupling For Drainage And Sewer Lines With Heavy-Duty Earth Load And Shear-Force Resistance, Easy Pipe Alignment, Strong Back 1000 Series Design, Ideal For DIY Projects And Pro-Grade Installations

High-strength 4-inch RC coupling for sewer and drainage lines with robust resistance.
✔️ Dimensions 5.64" x 4.51" x 3.97", built for heavy earth loads, shear force resistance, and easy pipe alignment in underground setups

This 4-inch RC coupling is a practical connector for joining pipes in sewer and drainage systems, commonly used in underground installations for both DIY home projects and professional plumbing jobs.

✅ Dimensions: 5.64 inches x 4.51 inches x 3.97 inches for precise fit
✅ Constructed with 0.012-inch stainless steel shield and molded-in bushing for added durability
✅ Meets standards like CSA B602, ASTM D 5926, and ASTM C 1173 for reliable performance
✅ Features clamps from 301 and 305 stainless steel with 60 in-lbs installation torque

💡 What makes RC couplings a solid choice for underground plumbing?
RC couplings provide a dependable way to strengthen pipe connections in tough environments. Here's how they stand out:
- They handle heavy loads and shear forces to prevent leaks in buried lines
- Offer better alignment for easier setup in drainage or sewer systems
- Boost overall system reliability with materials that resist corrosion and temperature changes
- Work well for various pipe types, making them a go-to for everyday fixes