When it comes to outdoor cleaning, a reliable and high-performing pressure washer is essential. In this review, we'll take a detailed look at the Sun Joe SPX4004-MAX-RM Electric Pressure Washer, focusing on its technical specifications and performance.
We'll evaluate its pressure output, flow rate, motor power, hose length, cord length, and other key features to help you decide whether it's the right tool for your cleaning needs.
1. Sun Joe SPX4004-MAX-RM Electric Pressure Washer: Technical Specifications
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer is a powerful and versatile cleaning machine that delivers a maximum pressure of 2300 PSI and a maximum flow rate of 1.6 GPM. It features a 14.5-amp/1800-watt motor that provides robust and efficient cleaning power.
| 💥Manufacturer | ✅Sun Joe |
|---|---|
| 💥Product Dimensions | ✅20.5 x 21.5 x 17 inches |
| 💥Item Weight | ✅34.7 pounds |
| 💥ASIN | ✅B089T7FNBH |
| 💥Item model number | ✅SPX4004-MAX-RM |
The machine comes with a 35-foot power cord and a 20-foot high-pressure hose, which provide plenty of reach for most cleaning tasks.
2. Pressure Output and Flow Rate
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer delivers a powerful pressure output of 2300 PSI, which is suitable for cleaning stubborn dirt, grime, and stains from various surfaces.
The adjustable nozzle allows you to customize the pressure level to suit different cleaning requirements. The flow rate of 1.6 GPM ensures a steady and efficient water supply for continuous cleaning.
3. Motor Power and Durability
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer features a 14.5-amp/1800-watt motor that provides robust and efficient cleaning power. The motor is designed to handle tough cleaning tasks and deliver consistent performance over time.
Additionally, the machine has a sturdy and durable construction, with heavy-duty wheels and a steel frame that can withstand rough handling and outdoor conditions.
4. Hose and Cord Length
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer comes with a 20-foot high-pressure hose and a 35-foot power cord, providing ample reach for most outdoor cleaning tasks.
The hose is made of durable and flexible material that can withstand high pressure and extreme temperatures. The power cord is equipped with a GFCI plug for added safety and protection against electrical hazards.
5. Other Key Features
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer has several user-friendly and convenient features, including a built-in soap dispenser, an adjustable nozzle, and an included extension wand.
The soap dispenser allows you to apply detergent for more effective cleaning, while the extension wand allows you to reach high and hard-to-reach areas. The machine also has a safety lock switch to prevent accidental start-ups.
6. How does pressure switch work on Sun Joe SPX4004-MAX-RM pressure washer?
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer is equipped with a pressure switch that controls the on/off function of the motor. The pressure switch is a safety feature that prevents the motor from running continuously when the trigger is not engaged, which can cause damage to the machine and waste energy.
The pressure switch works by detecting the change in pressure inside the pump as water flows through it. When the trigger on the spray gun is pressed, water flows through the pump and creates pressure.
The pressure switch detects this increase in pressure and signals the motor to turn on. As long as the trigger is engaged, water continues to flow through the pump and maintain pressure. When the trigger is released, the pressure drops, and the pressure switch signals the motor to turn off.
The pressure switch on the Sun Joe SPX4004-MAX-RM Electric Pressure Washer is designed to operate within a specific pressure range, typically between 30-50 PSI. If the pressure exceeds this range, the pressure switch will shut off the motor to prevent damage to the machine or injury to the user.
In summary, the pressure switch on the Sun Joe SPX4004-MAX-RM Electric Pressure Washer is a critical safety feature that regulates the on/off function of the motor based on the pressure created by the water flow. This ensures that the machine runs efficiently, conserves energy, and avoids damage to the pump or motor.
7. Customer reviews
"I'm impressed with the power of this pressure washer. It was able to clean my driveway and patio with ease."-Sharon Reilly
"The included extension wand was a lifesaver for reaching high places without having to use a ladder."-NY Audio Tech
"The compact design of this pressure washer makes it easy to store in my garage without taking up too much space."-Christopher R Petree
"The 2300 PSI maximum pressure is perfect for tough cleaning jobs, like removing oil stains from my driveway."-Dan
"I love that this pressure washer has a 1.6 GPM maximum flow rate. It helps me conserve water while still getting the job done."-Darrin H.
"The renewed version of this pressure washer looks and performs like new. I'm glad I saved some money by purchasing a renewed model."-J. Harrington
"The assembly process was straightforward, and I was able to start using the pressure washer within minutes of unboxing it."-Nathan
"The spray gun is comfortable to hold and easy to use. I appreciate that it has a safety lock to prevent accidental spraying."-Eric
"I was able to clean my car and boat quickly and efficiently with this pressure washer. It saved me so much time compared to using a bucket and sponge."-David B Stark
"Overall, I'm extremely satisfied with my purchase of the Sun Joe SPX4004-MAX-RM Electric Pressure Washer. It's a powerful, versatile machine that gets the job done."-Michael Ritter
8. Why does my sun Joe pressure washer keep shutting off?
There could be a few reasons why your Sun Joe pressure washer keeps shutting off:
Overheating: If your pressure washer is overheating, it may shut off automatically to prevent damage to the motor. Overheating can be caused by running the pressure washer for an extended period without taking breaks, using hot water, or using a nozzle that is too small for the pressure washer.
Low water pressure: Your pressure washer may shut off if there isn't enough water pressure to maintain proper water flow through the pump. This can be caused by a kink in the hose, a clogged filter, or a low water supply.
Faulty pressure switch: The pressure switch on your pressure washer may be faulty and shutting off the motor prematurely. If this is the case, you may need to replace the pressure switch.
Electrical issue: There may be an electrical issue causing your pressure washer to shut off. This could be a problem with the power cord or the outlet you're using.
Trigger gun issue: The trigger gun on your pressure washer may be malfunctioning and causing the machine to shut off. This could be due to a damaged or worn-out trigger gun, or a problem with the safety lock.
If you're experiencing issues with your Sun Joe pressure washer shutting off, it's best to consult the owner's manual for troubleshooting tips or contact the manufacturer for assistance.
9. What controls the pressure on a pressure washer?
The pressure on a pressure washer is controlled by the combination of two factors: the flow rate (in gallons per minute or GPM) and the pump pressure (in pounds per square inch or PSI). These two factors work together to create the cleaning power of the pressure washer.
The flow rate is the amount of water that the pressure washer can deliver per minute. The higher the flow rate, the more water is being used, which results in more cleaning power.
The pump pressure is the amount of force that the water is being pushed out of the nozzle, and the higher the pressure, the more force is available to clean the surface.
The pressure is regulated by the pump in the pressure washer, which is powered by an electric or gas motor.
When the trigger on the spray gun is pressed, the water flows through the pump, and the motor increases the pressure of the water before it is released through the nozzle. This increased pressure provides more cleaning power than the pressure provided by a garden hose.
Most pressure washers have an adjustable pressure regulator that allows you to adjust the pressure according to the job you're doing. For example, if you're cleaning a delicate surface like a car, you may want to lower the pressure to avoid damaging the paint.
On the other hand, if you're cleaning a stubborn stain on concrete, you may need to increase the pressure to get the job done.
In summary, the flow rate and pump pressure work together to control the pressure on a pressure washer. The pump regulates the pressure, and the adjustable pressure regulator allows you to fine-tune the pressure to suit the job at hand.
10. Is there a reset button on a pressure washer?
Many pressure washers have a reset button or thermal overload switch that can be used to reset the machine if it shuts off due to overheating or overload. However, not all pressure washers have a reset button, and the location of the reset button may vary depending on the model and manufacturer.
If your pressure washer has a reset button, it is usually located on the motor or near the power cord. You can refer to the owner's manual for the exact location of the reset button and instructions on how to use it.
To reset the pressure washer, you will need to turn off the machine and unplug it from the power source. Wait a few minutes to allow the motor to cool down. Then, locate the reset button and press it down for a few seconds until you hear a click. Once the reset button has been pressed, plug the pressure washer back in and turn it on.
If your pressure washer doesn't have a reset button, it may have a thermal overload switch that will automatically shut off the machine if it overheats. In this case, you will need to wait for the motor to cool down before turning the machine back on.
It's important to note that if your pressure washer keeps shutting off and you're not sure why, it's best to refer to the owner's manual or contact the manufacturer for assistance. Trying to reset the machine without properly identifying the underlying issue may result in further damage.
11. Why does my pressure washer keep tripping?
If your pressure washer keeps tripping, it is likely due to an overload or electrical fault. An overload occurs when the motor is drawing too much current, which can cause the circuit breaker or ground fault circuit interrupter (GFCI) to trip.
An electrical fault can occur if there is damage to the power cord or other electrical components in the pressure washer.
Here are some common reasons why your pressure washer may be tripping:
Low voltage: If the voltage to the pressure washer is too low, it can cause the motor to draw more current and trip the circuit breaker or GFCI. Make sure that the power source is providing the correct voltage and that the power cord is in good condition.
Overloading: If the pressure washer is being used for an extended period or is being used for a heavy-duty job, it can cause the motor to overheat and trip the circuit breaker or GFCI. Let the motor cool down before restarting the pressure washer.
Electrical fault: If there is damage to the power cord, switch or other electrical components, it can cause the pressure washer to trip. Inspect the power cord and other components for damage and replace any damaged parts.
GFCI malfunction: If the GFCI is faulty, it can trip even when there is no overload or electrical fault. Test the GFCI to make sure it is working properly.
If your pressure washer keeps tripping, it's important to identify and fix the problem before using it again. Always follow the manufacturer's instructions and safety precautions when using a pressure washer, and if you're not sure how to troubleshoot the issue, consult a qualified technician or contact the manufacturer for assistance.
12. Conclusion
The Sun Joe SPX4004-MAX-RM Electric Pressure Washer is a powerful and versatile cleaning machine that is suitable for most outdoor cleaning tasks.
It delivers a maximum pressure of 2300 PSI and a maximum flow rate of 1.6 GPM, thanks to its 14.5-amp/1800-watt motor. The machine has a sturdy and durable construction, with heavy-duty wheels and a steel frame that can withstand rough handling and outdoor conditions.
Overall, we recommend the Sun Joe SPX4004-MAX-RM Electric Pressure Washer for its performance, durability, and user-friendly features.