4" (110mm) Drain Pressure Test Plug with ½" Test Point

4" (110mm) drain pressure test plug with ½" test point, designed to seal and pressure-test drain systems during installation or maintenance. The expanding rubber seal creates an airtight fit, while the solid brass wing nut ensures secure tightening.

• Fits 4" (110mm) drain pipes
• ½" test point for easy connection to testing equipment
• Expanding rubber seal for a reliable, leak-free fit
• Solid brass wing nut for secure tightening
• Zinc-plated steel plates for corrosion resistance
• Suitable for residential and commercial drainage
• Ideal for system integrity checks during installation or repair