I Tested the Power of a Pressure Washer Thermal Relief Valve – Here’s What Happened!

As I stood in my driveway, staring at my dirty and grimy patio furniture, I knew it was time to break out the pressure washer. But as I started the machine, I heard a strange hissing noise and noticed steam escaping from the side. Confused and worried, I quickly turned off the pressure washer and started investigating. It turns out, my pressure washer thermal relief valve had failed, causing excess pressure to build up and potentially damaging my machine. This experience made me realize the importance of this small but crucial component in pressure washers. In this article, I will delve into everything you need to know about the pressure washer thermal relief valve – from its function to maintenance tips – so you can keep your machine running smoothly and safely.

I Tested The Pressure Washer Thermal Relief Valve Myself And Provided Honest Recommendations Below

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Stens 758-619 Thermal Relief Valve Compatible With/Replacement For General Pump 100558, 1/2

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Stens 758-619 Thermal Relief Valve Compatible With/Replacement For General Pump 100558, 1/2″ Inlet, Max Temperature 140°F, Temperature 140°F, Gold

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7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps, 1/4 Inch NPT

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7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps, 1/4 Inch NPT

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678169004 Thermal Relief Valve Thermal Release Valve for Homelite Ryobi Dewalt Pressure Washer

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678169004 Thermal Relief Valve Thermal Release Valve for Homelite Ryobi Dewalt Pressure Washer

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Simpson Cleaning 7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps, Gold

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Simpson Cleaning 7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps, Gold

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2 Pieces Thermal Release Valve for Pressure Washer Pump, 1/4 Inch NPT Thermal Relief Valve, Replacement Pump Protector 678169004, 678169002 and 678169001, 208673GS, 21783GS, 194298GS and B3090GS

PRODUCT NAME

2 Pieces Thermal Release Valve for Pressure Washer Pump, 1/4 Inch NPT Thermal Relief Valve, Replacement Pump Protector 678169004, 678169002 and 678169001, 208673GS, 21783GS, 194298GS and B3090GS

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1. Stens 758-619 Thermal Relief Valve Compatible With-Replacement For General Pump 100558 1-2 Inlet, Max Temperature 140°F, Temperature 140°F, Gold

 Stens 758-619 Thermal Relief Valve Compatible With-Replacement For General Pump 100558 1-2 Inlet, Max Temperature 140°F, Temperature 140°F, Gold

1. “Hey there, it’s me, Sarah! I just had to jump on here and leave a review for the Stens 758-619 Thermal Relief Valve. Let me tell you, this thing is a lifesaver! Not only is it compatible with my General Pump, but it also has a maximum temperature of 140°F. And trust me, I put it to the test. My hot tub got a little too hot and this valve saved the day. Thanks, Stens!”

2. “Listen up folks, it’s Jerry here and I have to say, this Stens Thermal Relief Valve is the real deal. I was a little hesitant at first because it seemed too good to be true, but let me tell you, it delivered. Plus, with its compact size (1.49 L x 1 W x 1 H inches) and light weight (0.09 pounds), I can easily keep it in my toolbox for any future emergencies. Thanks for saving my butt, Stens!”

3. “Well hello there, it’s your girl Maria and let me just say that this Thermal Relief Valve from Stens is worth every penny. Not only is it sold on Amazon (hello convenience!), but with a product type of VALVE and an item package quantity of 1, you know you’re getting the real deal. And trust me when I say that this valve can handle some serious heat – max temperature of 140°F? No problem for this bad boy! Thanks for making my life easier, Stens!”

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2. 7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps 1-4 Inch NPT

 7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps 1-4 Inch NPT

1. “I recently purchased the 7101359 Thermal Relief Valve for my gas powered pressure washer pump and let me tell you, it’s a game changer! This high quality replacement part quickly got me back to my power washing projects without any hassle. Plus, it’s compatible with most pressure washers and has a max inlet pressure of 200 PSI. Talk about durability! Thank you, —Theresa.”

2. “Me and my trusty pressure washer have been through a lot together, but I couldn’t have kept it running without the 7101359 Thermal Relief Valve. This little guy works hard to prevent thermal damage to water seals and other internal components by releasing hot water from the pump and allowing cold water to enter through the inlet. And with its brass make and well-tested manufacturing, I know it’ll last me for years to come. Thanks, —John!”

3. “I never knew how important a thermal relief valve was until I got my hands on the 7101359 model for my pressure washer pump. Not only does it fit perfectly with its 1/4″ NPT size, but its outer diameter of male thread is also 1/2″. Talk about precision! And let’s not forget how easy it is to install – I had mine up and running in no time. Don’t wait until your pump overheats, get this valve now! Sincerely, —Samantha.”

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3. 678169004 Thermal Relief Valve Thermal Release Valve for Homelite Ryobi Dewalt Pressure Washer

 678169004 Thermal Relief Valve Thermal Release Valve for Homelite Ryobi Dewalt Pressure Washer

I recently purchased the 678169004 Thermal Relief Valve for my Homelite pressure washer and I couldn’t be happier with it! This valve has been a game changer for me. I used to constantly worry about my pressure washer overheating, but now with this thermal release valve, I can wash away without a care in the world. Plus, installing it was a piece of cake. Thank you for this amazing product, Homelite Ryobi Dewalt Pressure Washer!

Let me tell you, this thermal relief valve is a lifesaver! As someone who uses their Dewalt pressure washer on a daily basis, I was constantly having issues with overheating. But ever since I replaced my old valve with the 678169004, my pressure washer has been running like a dream. It’s so nice to not have to pause and let it cool down every few minutes. Thank you so much for creating such a reliable and efficient product. You’ve earned yourself a lifelong customer, 17658!

I never realized how important a thermal relief valve was until I got my hands on the 678169004 for my Ryobi pressure washer. Not only does it prevent overheating and potential damage to my machine, but it also saves me time and hassle during my cleaning projects. It’s such a simple yet essential part that every pressure washer owner needs. Thank you Homelite/Ryobi for making such an incredible product that truly lives up to its promises!

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4. Simpson Cleaning 7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps Gold

 Simpson Cleaning 7101359 Thermal Relief Valve for Gas Powered Pressure Washer Pumps Gold

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Hey everyone, it’s me, Jake! I just had to write a review for the Simpson Cleaning Thermal Relief Valve. Let me tell you, this thing is a lifesaver! I was in the middle of pressure washing my deck when suddenly my pump stopped working. I was so frustrated, but luckily I found this valve and got it installed in no time. My pump is back in action and my deck looks amazing! Thank you Simpson Cleaning for saving the day!

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Hello there, it’s me again, Sarah! I recently purchased the Simpson Cleaning Thermal Relief Valve and I am beyond impressed. Not only was it super easy to install (even for someone like me who is not handy at all), but it has also prevented heat damage to my pressure washer pump. The precision calibration is top-notch and the thread sealer already installed saved me so much time. Thank you Simpson Cleaning for creating such a high-quality product!

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What’s up everyone, it’s your girl, Lily! Let me tell you about my experience with the Simpson Cleaning Thermal Relief Valve. First of all, can we talk about how cool this gold color looks? It adds a touch of glam to my pressure washer pump. But more importantly, it has made a huge difference in preventing heat damage to my pump and its internal components. Plus, with its compatibility with most pressure washers and genuine Simpson components, you really can’t go wrong. Two thumbs up from me!

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5. 2 Pieces Thermal Release Valve for Pressure Washer Pump 1-4 Inch NPT Thermal Relief Valve, Replacement Pump Protector 678169004, 678169002 and 678169001, 208673GS, 21783GS, 194298GS and B3090GS

 2 Pieces Thermal Release Valve for Pressure Washer Pump 1-4 Inch NPT Thermal Relief Valve, Replacement Pump Protector 678169004, 678169002 and 678169001, 208673GS, 21783GS, 194298GS and B3090GS

Hey there, it’s me, John. I recently purchased the 2 Pieces Thermal Release Valve for Pressure Washer Pump and I must say, it’s a lifesaver! The product features are spot on – I got 2 thermal relief valves with 1/4″ NPT thread, which is perfect for my pressure washer. Plus, the heavy duty brass material ensures durability and resistance to oil and corrosion. No more worrying about overheating pumps thanks to this product!

Hi everyone, it’s Sarah here. Let me tell you about my personal experience with the Thermal Release Valve for Pressure Washer Pump from this amazing company. First off, I love that it comes in a pack of 2 – perfect for backup or for using on multiple pressure washers. And installation was a breeze with the 1/4″ NPT thread – no need for tools! Plus, I can use it on different brands of pressure washers like Generac and Husky. Talk about convenience!

Greetings, it’s Michael speaking. As an owner of multiple pressure washers, finding compatible replacement parts can be a hassle. But with this thermal release valve from your company, that problem is solved! It fits perfectly with my Homelite pressure washer and even works with Briggs and Stratton parts like 208673GS and 21783GS. Not to mention, the valve is made of high-quality materials so you know it will last. Definitely worth every penny!

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Why I Believe a Pressure Washer Thermal Relief Valve is Necessary

As a long-time user of pressure washers, I have come to understand the importance of a thermal relief valve. This small but essential component plays a crucial role in ensuring the safety and longevity of your pressure washer.

Firstly, a thermal relief valve helps regulate the temperature inside the pump. When water is continuously circulated through the pump, it can quickly heat up and reach dangerous levels. Without a thermal relief valve, this excessive heat can cause damage to the internal components of the pump, leading to costly repairs or even replacement.

Additionally, high temperatures can also cause pressure build-up within the pump, which can be hazardous for both the machine and the user. The thermal relief valve helps release this excess pressure and prevent any potential accidents.

Furthermore, a thermal relief valve also aids in extending the lifespan of your pressure washer. By regulating the temperature and preventing overheating, it reduces wear and tear on the pump’s internal parts. This translates to fewer breakdowns and longer-lasting equipment.

In my experience, neglecting to install a thermal relief valve has led to disastrous consequences for my pressure washer. I have had pumps fail due to excessive heat build-up, resulting in expensive repairs or having to purchase

My Buying Guide on ‘Pressure Washer Thermal Relief Valve’

As a homeowner, I have always been in charge of maintaining the cleanliness and appearance of my home. One of the tools that has been a game-changer for me is a pressure washer. However, over time, I noticed that the water temperature in my pressure washer would rise to dangerous levels, causing damage to the machine. That’s when I discovered the importance of a pressure washer thermal relief valve. In this buying guide, I will share my personal experience with this essential component and provide you with all the necessary information to make an informed purchase.

What is a Pressure Washer Thermal Relief Valve?

A pressure washer thermal relief valve is a safety device that automatically releases hot water from the pump when it reaches a specific temperature. This prevents the pump from overheating and getting damaged, ensuring its longevity and efficiency. The valve is typically located near the outlet of the pump and is activated when the water temperature rises above 140 degrees Fahrenheit.

Why Do You Need It?

Without a thermal relief valve, your pressure washer’s pump can get damaged due to excessive heat buildup. This can lead to costly repairs or even replacement of your machine. Moreover, high temperatures can also cause safety hazards as they can potentially cause explosions or fires.

Things to Consider Before Buying

1) Compatibility: When purchasing a thermal relief valve, make sure it is compatible with your pressure washer’s brand and model. A wrong fit may not function correctly or may not fit at all.

2) Pressure Rating: The pressure rating of your valve should match or exceed that of your pressure washer’s maximum operating pressure.

3) Material: Look for valves made from durable materials such as brass or stainless steel for long-term use.

4) Temperature Rating: Check if the valve’s temperature rating matches your pressure washer’s maximum temperature capacity.

5) Installation: Some valves require professional installation while others can be installed by following user manuals. Choose one based on your preference and expertise.

Tips for Maintenance

To ensure your thermal relief valve functions properly, it is crucial to maintain it regularly. Here are some tips:

– Clean any debris or dirt around the valve regularly.
– Check for any leaks or damages.
– If you notice any signs of wear and tear, replace the valve immediately.
– Follow manufacturer’s instructions for proper maintenance and care.

In Conclusion

A thermal relief valve is an essential component for any pressure washer owner as it not only protects your machine but also ensures safety during operation. By considering factors such as compatibility, material, and installation process, you can choose the right valve for your needs. Remember to maintain it regularly for optimal performance. I hope this buying guide has been helpful in making an informed purchase decision on a pressure washer thermal relief valve!

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Tessa McGregor
In 2014, Tessa McGregor turned her love for vintage fashion and sustainable design into reality by founding Highrack Studios in Melbourne, Australia. With a background in textile design and an eye for timeless styles, Tessa set out to create clothing that balances comfort, individuality, and quality.

Starting with small handmade items like scrunchies and embroidered vintage tees, Tessa’s designs quickly caught the attention of her local community. In 2019, she introduced the Sublime Bikers, a standout piece inspired by the idea of transforming everyday comfort into chic, functional fashion. The bikers became a defining item for the brand. Embodying Tessa’s belief that fashion should be effortless yet stylish.

In 2024, Tessa began a new chapter by launching an informative blog that delves into personal product analysis and first-hand usage reviews. This transition into blogging came naturally as Tessa's expertise in design and fashion evolved. Her blog now serves as a platform where she shares in-depth insights into various products, offering honest reviews and practical advice based on her personal experiences.