How to Release Pressure from a Pressure Washer

How to Release Pressure from a Pressure Washer

The best way to release pressure from a pressure washer is to by turning off the pressure washer especially if it is no more in use. On the other hand, you can release pressure from a pressure washer by finding the unloader valve and setting it to the “release” position. 

This will help release the pressure both from the pump and the engine, helping the pressure washer run smoothly.

In this article, I will be explaining some of the best and easiest ways to release pressure from a pressure washer, why you need to release pressure from a washer, and every other thing you need to know about the topic. So I will advise that you carefully read till the end.

Note: if your pressure washer has no pressure, that is a totally different problem and solution from releasing pressure from the washer.

How to Release Pressure from Your Pressure Washer

Below are some simple ways and methods to release pressure from a pressure washer.

1. Find the unloader valve

Release Pressure from a Pressure Washer
Where to find the unloader valve

The unloader valve is usually near the pump. You may notice a lever or knob there that will turn.

2. Turn on the valve

Turning on the value or setting it to the “release” position is one of the most important steps when trying to relesese pressure from a pressure washer.

When you turn off the value or set it to the “release” position, it allows pressure to escape from the pump. which in turn affects the overall pressure system of the machine.

3. Turn Off the Valve

After all the pressure has escaped from the machine, you should turn the valve off again

However, It is important to also include a PRD, or pressure relief device, in your system that automatically releases pressure when necessary, especially if you have the budget.

Read also: What Pressure Washers Have Cat Pumps

Tip to Release Pressure from a Pressure Washer

Here are some tips and alternative methods for releasing pressure from a pressure washer aside from using the unloader value.

  1. Locate the release valve: Each pressure washer has a release valve specifically designed to release built-up pressure. If you’re uncertain about the valve’s location, refer to your pressure washer’s manual for guidance.
  2. Utilize the bypass valve: Another effective method is to employ the bypass valve, typically positioned near the pump. This valve allows pressure to be released from the system.
  3. Consider a pressure relief device: A pressure relief device (PRD) acts as a safety mechanism to release pressure from your pressure washer. You can typically find PRDs near the pump or attached to the hose.
  4. Power off your pressure washer: Turning off the power supply to your pressure washer also facilitates pressure release. Check your pressure washer’s manual for instructions on how to safely power it down.
  5. Drain the hose: Disconnecting the hose from the pump and allowing the water to drain out is an effective way to release pressure. Ensure a smooth release by letting the water flow out completely.
  6. Adjust to a lower pressure setting: If you’re still encountering difficulties in releasing pressure, try adjusting your pressure washer to a lower pressure setting. This reduces the force exerted on the hose and pump.

READ ALSO: Pressure Washer Won’t Start with Water On – Best Troubleshooting Tips and Fixes

Why Release Pressure From Pressure Washer

  1. Prevents damage: Releasing pressure from your pressure washer helps prevent potential damage to the equipment. Excessive pressure can cause leaks, burst hoses, or damage to the pump.
  2. Enhances safety: High-pressure buildup poses a safety risk. Releasing pressure ensures a safer working environment by reducing the risk of accidental spraying or hose whipping.
  3. Allows maintenance and storage: Releasing pressure is essential before performing maintenance tasks or storing the pressure washer. It prevents water from being trapped in the system, which can lead to corrosion or freezing in colder climates.
  4. Extends equipment lifespan: Releasing pressure regularly helps extend the lifespan of your pressure washer. By avoiding constant strain on the pump and components, you can minimize wear and tear.
  5. Promotes efficient operation: Releasing pressure allows the pressure washer to operate at its optimal performance. It ensures that the machine can maintain consistent pressure and water flow during use.
  6. Facilitates troubleshooting: Releasing pressure is often recommended as a troubleshooting step when experiencing issues with your pressure washer. It helps reset the system and resolve any potential pressure-related problems.

Read also: Fastest Fix for Pressure Washer Surging at Idle and Why Pressure Washer Surge at Idle

FAQ

What should I do if my pressure washer wand won’t release pressure?

If the pressure washer wand is not releasing pressure, first ensure that the trigger is fully released. If the issue persists, check for any clogs or obstructions in the nozzle or wand.

If the problem continues, consult your pressure washer’s manual or contact a professional for assistance.

Where is the unloader valve on a pressure washer?

The unloader valve on a pressure washer is typically located near the pump. It is designed to regulate and release pressure when the trigger on the wand is released.

Consult your pressure washer’s manual or check near the pump for the specific location of the unloader valve on your model.

What is the pressure release valve on a pressure washer?

The pressure release valve, also known as the release valve or safety valve, is a component of a pressure washer that allows for the controlled release of built-up pressure. It prevents excessive pressure from damaging the equipment and ensures safe operation.

Why is my pressure washer not releasing pressure?

There can be several reasons why a pressure washer is not releasing pressure. Check if the trigger on the wand is fully released and not stuck.

Inspect the nozzle for any blockages or debris that may be obstructing the water flow.

Additionally, check the unloader valve for any malfunctions or clogs. If the issue persists, consult your pressure washer’s manual or seek professional assistance to diagnose and fix the problem.

Is there a pressure release valve on a pressure washer?

A: Yes, most pressure washers are equipped with a pressure release valve. This valve, also known as the release valve or safety valve, is designed to release excess pressure from the system to prevent damage and ensure safe operation. Refer to your pressure washer’s manual or consult the manufacturer to locate the specific position of the pressure release valve on your model.

Why won’t my pressure washer release pressure when I pull the trigger?

A: If your pressure washer fails to release pressure when you pull the trigger, there could be a few possible reasons. First, check if the trigger is fully released and not stuck.

Ensure that there are no clogs or obstructions in the nozzle, wand, or hose that may be hindering the water flow. Additionally, examine the unloader valve for any malfunctions or blockages. If the issue persists, consult the pressure washer’s manual or seek professional assistance for further troubleshooting and resolution.

How do you drain water from a pressure washer?

To drain water from a pressure washer, follow these steps:

Turn off the pressure washer: Ensure that the power supply is switched off and the machine is completely powered down.

  • Disconnect the water source: Disconnect the water supply hose from the pressure washer. This step prevents new water from entering the system.
  • Pull the trigger: Squeeze the trigger on the wand to relieve any remaining pressure within the system. Hold the trigger for a few moments to allow water to escape.
  • Drain the hose: Remove the hose from the pump, making sure the other end is positioned to drain the water into a suitable container or area. Allow the water to flow out completely.
  • Empty the detergent tank (if applicable): If your pressure washer has a detergent tank, empty it according to the manufacturer’s instructions.

Conclusion

Releasing pressure from your pressure washer is essential for various reasons. By following simple steps like finding the unloader valve and setting it to the “release” position, you can effectively release pressure from the pump and engine, ensuring the smooth operation of your pressure washer.

Additionally, incorporating a pressure relief device (PRD) provides an automatic safety mechanism for pressure release.

Releasing pressure helps prevent equipment damage, enhances safety, facilitates maintenance and storage, extends the lifespan of your pressure washer, promotes efficient operation, and aids in troubleshooting.

It is crucial to follow proper procedures and consult the manufacturer’s manual or seek professional assistance when encountering issues such as a pressure washer wand not releasing pressure.

Remember, prioritizing pressure release not only protects your equipment but also promotes a safer and more efficient pressure-washing experience.