Compatibility comes first
Connector type, maximum pressure, required flow, hose diameter and nozzle thread must match the pressure washer and the drain. A hose rating should exceed the machine’s working pressure with a suitable safety margin defined by the manufacturer.
- Pressure and flow range
- Connector and adaptor
- Hose rating and bend radius
- Nozzle size and jet direction
Nozzle choice changes behaviour
Rear jets provide propulsion and flushing; a forward jet may help open soft material but can direct water and debris ahead. Rotating nozzles and penetrating heads have different demands and risks.
- Rear-only flushing nozzle
- Forward-jet penetrating nozzle
- Rotating cleaning nozzle
- Hose marker and retrieval control
A safer decision process
- 1
Confirm pipe route and condition
- 2
Match every rating and connector
- 3
Insert the nozzle before pressurising
- 4
Operate from a stable position with protective equipment
- 5
Retrieve slowly while flushing if the manufacturer directs
High-pressure water can cause injection injuries and property damage. Never point a nozzle at a person, operate it outside the pipe or use a petrol-powered pressure washer indoors.