Connect the vacuum head to the pole, then attach the hose
A pool vacuum has three main parts: the head (the flat piece that sits on the pool floor), the pole (the long shaft), and the hose (the tube that carries water and debris). Start by twisting the vacuum head onto the pole — most heads have a threaded socket on top that screws onto the pole's threaded end. Turn clockwise until it is snug but do not force it.
Next, attach one end of the hose to the port on the vacuum head. This port is usually a threaded fitting on the top or side of the head. Screw the hose end on by turning clockwise. The other end of the hose will connect to your pump or filter system — that comes next.
Key Takeaways
- The vacuum head screws onto the pole, and the hose screws onto the vacuum head's port before you put anything in the water.
- The hose's free end connects to your pump's skimmer basket port or a dedicated vacuum port, depending on your pool system.
- You must remove the skimmer basket before running the vacuum, or debris will clog it instead of going to the filter.
- Prime the hose by filling it with water before turning on the pump, so air does not get trapped and break suction.
- Move the vacuum head slowly across the pool floor in overlapping passes to pick up all settled debris.
Connect the hose to your pump or filter system
The free end of the hose connects to your pool's circulation system. Most pools have a skimmer basket port — a threaded opening on the side of the skimmer (the box-like intake on the pool wall). Unscrew the cap on that port and screw the hose end on clockwise.
Some pools have a dedicated vacuum port on the filter system itself, separate from the skimmer. Check your pool manual or look for a labeled port near your pump. If you are unsure which port to use, the skimmer port is the most common starting point.
Before you turn on the pump, remove the skimmer basket from inside the skimmer box. If you leave it in, debris from the vacuum will clog the basket instead of flowing to the filter. Set the basket aside — you will replace it after vacuuming.
Prime the hose to remove air and build suction
Air trapped in the hose will prevent the vacuum from working. To prime the hose, submerge it completely in the pool water while it is still disconnected from the pump. Hold one end underwater and let water fill the hose from that end, pushing air out the other end. Once water flows steadily from the other end, quickly connect that end to the pump port without letting air back in.
Alternatively, if your pump has a priming valve (a small cap or lever on top of the pump), you can open it to let air escape as water fills the system. Check your pump manual for the location and operation of this valve. Once water flows from the priming valve, close it and turn on the pump.
Turn on the pump and begin vacuuming
Once the hose is primed and connected, turn on your pool pump. You should feel suction at the vacuum head — hold your hand near it and you will feel water being pulled toward the head. If you feel no suction, turn off the pump, check that the hose is fully submerged and connected at both ends, and repeat the priming step.
Place the vacuum head on the pool floor and begin moving it slowly across the bottom in straight, overlapping lines. Move at a pace that lets the head pick up debris without stirring up too much sediment. If the water becomes very cloudy, stop and let it settle for a few minutes before continuing.
Empty the filter and replace the skimmer basket when done
As the vacuum runs, debris collects in your pool filter. Depending on how dirty the pool is, the filter pressure will rise. Check the pressure gauge on your filter — if it rises 8 to 10 pounds per square inch (psi) above the starting pressure, backwash the filter to clean it. Backwashing reverses water flow through the filter to flush out trapped debris.
To backwash, turn off the pump, set the filter valve to "Backwash," turn the pump back on for 2 to 3 minutes until the water runs clear, then turn off the pump again. Switch the valve back to "Filter" and restart the pump. Once you have finished vacuuming and backwashed the filter, turn off the pump, disconnect the hose from the pump port, and screw the skimmer basket cap back on.
Disconnect and store the vacuum properly
After vacuuming, turn off the pump and let the system depressurize. Unscrew the hose from the pump port and the vacuum head. Rinse the vacuum head with fresh water to remove chlorine and debris, then let it dry completely before storing. Coil the hose loosely — do not kink it — and store it in a shaded area away from direct sunlight, which can degrade the material over time.
Check the pole for cracks or damage and wipe it down with a soft cloth. Store all three pieces (head, pole, hose) in a dry location. Proper storage extends the life of your vacuum and keeps it ready for the next use.
Troubleshooting common connection problems
If the vacuum head does not stay on the pole, the threads may be cross-threaded. Unscrew it completely, align the threads carefully, and screw it back on slowly. If the hose leaks at a connection point, unscrew it, wrap the male threads with plumber's tape (also called PTFE tape), and screw it back on. This tape fills small gaps and stops leaks.
If you have suction at the pump but the vacuum head is not pulling debris, the head may be clogged. Disconnect the hose from the head and blow air through it to clear any blockage. If the head itself is damaged or the seal is worn, it may need replacement — most pool supply stores sell replacement heads that fit standard poles.
Frequently Asked Questions
Can I use a pool vacuum without removing the skimmer basket?
No. The basket will clog with debris from the vacuum, blocking water flow and reducing suction. Always remove it before you start vacuuming and replace it when you are done.
What if my pool does not have a vacuum port?
Use the skimmer basket port, which is the standard connection point on most pools. If your skimmer does not have a threaded port, you may need a universal adapter kit, available at pool supply stores, to connect the hose.
How often should I backwash the filter while vacuuming?
Backwash when the pressure gauge rises 8 to 10 psi above the baseline. For a very dirty pool, this might happen every 10 to 15 minutes. For a lightly soiled pool, you may only need to backwash once or not at all during a single vacuuming session.
Why is there no suction even though the pump is running?
Check that the hose is fully submerged and connected at both ends, that the skimmer basket is removed, and that the hose is primed (filled with water, not air). If all of those are correct, the pump may not be powerful enough for the hose diameter — consult your pump manual.
Can I leave the vacuum connected overnight?
It is not recommended. Leaving the system pressurized overnight can stress the hose and connections. Disconnect the hose, turn off the pump, and store the vacuum after each use.