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Test Equipment
4" steel drain test plug
  • 4" steel drain test plug

4" Steel Drain Test Plug

1-3 working days
3-5 working days
Small Item
£3.64 (Ex. VAT)

Delivery from £15 within 1-3 working days

Carbon neutral delivery from JDP vehicles

Return within 30 days for a full refund

Product Details

A single 4" steel test plug for use with air test kits.

These steel test plugs block pipework to test air tightness. Will fit pipework 94 - 108mm ID with a 37.5mm minimum insertion profile. Zinc-plated to provide 90 hours of salt spray test corrosion resistance.

It is the responsibility of the installer/operator to ensure the maximum allowable back pressure is not exceeded.


To fit pipework: 95 - 108mm ID (internal diameter)
Maximum allowable back pressure: 10psi
Weight: 0.41kg