How To Repair A Leaking Sprayer

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  • Rated as REALLY EASY
  • 3 step by step videos


If your sprayer is leaking water it is likely that there is a broken seal or gasket near the source of the leak. As water passes from the tank, through the pump and into the wand, it passes through a series of connections that are all sealed by gaskets or o-rings. These gaskets and o-rings can wear over time, causing them to crack and leak. If your sprayer is leaking, disassemble the sprayer at the source of the leak and inspect the seal inside of the assembly. If the seal is broken or is showing any signs of wear, it should be replaced. Refer to your user manual for the proper part numbers when replacing seals and gaskets.

Wand Hose

If your sprayer is leaking directly from the wand hose, the hose itself may have become cracked, which has caused the seal of the hose to become compromised. These hoses do wear over time, and are especially likely to leak at points that are stretched or bent frequently. A broken or leaking hose can be easily replaced. Refer to your user manual for specific instructions on how to remove the old hose and reinstall a new one, and also for the proper replacement part number if a new hose is required.

Trigger Wand

The trigger wand contains a valve inside of it to cut off the flow of water or chemicals being sprayed. This valve can wear or break from regular use, causing it to leak. It is also common for this part to crack if the pressure washer is not properly winterized. Water expands when it freezes into ice. If the trigger wand has water left in it in the winter the internal valve or piping will likely crack when the water freezes. If you have a leak coming from the trigger gun itself (as opposed to the wand hose, or the point at which these two components connect), it is likely that the seal inside of the trigger wand has worn and is no longer making a tight seal. Depending on the build of your specific trigger wand, you may be able to open the wand and replace any broken seals or repair any minor damage. Refer to your user manual for more specific instructions on how to address leaks from the trigger wand. In some cases, the entire trigger wand will likely need to be replaced entirely.

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