HomeProductsJetting Nozzles1/2" ConnectionHigh Efficiency Drain Jet (3r1f)

High Efficiency Drain Jet (3r1f)


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  • High Efficiency Drain Jet (6r)
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Harben High Efficiency drain jets are competitively priced two piece drain cleaning nozzles suitable for use on larger trailer and van mounted drain cleaning machines with 1/2″ jetting hose.

This option has 3 rear holes and 1 forward hole which makes it ideal for unblocking and descaling work.

The jet holes are carefully machined so that each high pressure water jet stays concentrated and powerful. Tests show that this drain jet has 30% more cleaning power than a standard drain jet. Available as rear facing or rear and forward facing. They provide excellent cleaning performance in drains from 4″ to 8″ diameter. They are manufactured in two pieces and can be easily disassembled for cleaning if they become blocked.

High efficiency drain jets can be jetted to suit machines operating at up to 10,000 psi and 25 gpm. They have a 1/2″ BSP thread and they are manufactured from high grade stainless steel.

Best For…. Descaling, Unblocking/Penetrating
Pipe Size 4-8″
Nozzle Holes 3r1f
Connection Size 1/2″
Maximum Pressure 10000 psi
Maximum Flow 25 gpm
Brand Harben

Additional information

Weight 0.9 lbs
Best For....

Descaling, Unblocking/Penetrating

Pipe Size


Nozzle Holes

3r1f, 6r

Connection Size


Maximum Pressure

10000 psi

Maximum Flow

25 gpm