Maximize the performance and longevity of your pressure washer with a vital yet often undervalued component: the pressure washer unloader valve. This crucial piece of equipment serves to regulate water flow and pressure, ensuring your machine operates at its best while preventing potential damage caused by high pressure. In our insightful guide, you’ll delve into the mechanics of unloader valves, understanding their function, importance, and the signs that indicate it’s time for maintenance or replacement. Whether you’re a DIY enthusiast maintaining your home exterior or a professional cleaner seeking efficiency and safety in your equipment, this article will equip you with the knowledge needed to make informed decisions about pressure washer unloader valves. Discover how this small but mighty valve can be the key to unlocking a smoother, safer cleaning experience.
Our Top Picks For 2025
Pressure Washer Pump Unloader Valve Rebuild Kit
This unloader valve rebuild kit by NFSpeeding is designed to replace worn out or damaged unloader valves on various pressure washer pump models. The kit contains high quality brass and stainless steel components for durability.ummary
The NFSpeeding Pressure Washer Pump Unloader Valve Rebuild Kit provides an easy way to repair a malfunctioning unloader valve on your pressure washer pump. This kit includes all the necessary replacement parts to get your unloader valve working properly again.
Key Features and Benefits:
- Compatible With Many Popular Pressure Washer Pump Models: This rebuild kit fits a variety of Annovi Reverberi, Ridgid, and Husky pressure washer pumps. Refer to the product description for full compatibility details.
- High Quality Materials: The kit is constructed from durable brass and stainless steel that resists corrosion and fading. Precision manufacturing ensures proper fit and performance.
- Easy Installation: Just replace your worn out unloader valve components with the new parts in this kit. Simple installation only takes a few tools and minutes.
- Restores Optimal Performance: The new valve components will restore the unloader valve to proper functioning, fixing issues with pressure regulation. Gets your pressure washer pumping like new again.
With quality replacement parts and straightforward installation, the NFSpeeding Unloader Valve Rebuild Kit makes it easy to get your pressure washer pumping at peak performance again. This affordable kit can save you from more costly pump repairs or replacement.
PA PULSAR Unloader Valve for Pressure Washer Pumps
The PA PULSAR unloader valve is a heavy duty brass valve designed for pressure washer pumps up to 4500 PSI and 10.5 GPM flow rate. It helps regulate pressure and prevent hose damage. Made in Italy.
The PA PULSAR Unloader Valve is an essential accessory for pressure washer pumps operating at high pressures. This Italian-made brass valve is designed for continuous use with pressures up to 4500 PSI and flow rates up to 10.5 GPM.
Key Features:
- Max pressure 4500 PSI, rated pressure 4050 PSI, max flow 10.5 GPM
- Solid brass construction with stainless steel springs
- Knob on regulator for easy pressure adjustment
- Anti-rotation device inside prevents valve damage
- Double feed connection for flexibility
- Can be used with water temperatures up to 195°F
- Helps regulate pressure and prevent hose damage
- Fits many high pressure pumps including General Pump PULSAR
The PA PULSAR Unloader Valve is built to last through tough industrial jobs. Its premium materials and Italian engineering allow it to handle heavy workloads while protecting your pressure washer pump and hoses. If you need a reliable unloader valve for a high pressure system, this is an excellent choice.
Carbpro 310924003 Unloader Valve Kit
The Carbpro 310924003 is a replacement unloader valve kit suitable for many Coleman, Briggs & Stratton, Troy-Bilt and other brand pressure washer pumps. This easy to install kit helps restore proper pressure washer functioning.
The Carbpro 310924003 Unloader Valve Kit is designed to replace worn or damaged unloader valves on certain pressure washer pump models. This high quality kit includes the unloader valve and necessary hardware for installation.
Key Features and Benefits:
- Fits Many Popular Brands: Suitable for Coleman, Briggs & Stratton, Troy-Bilt, Ryobi, Homelite and other pressure washer pumps. Replaces part number 310924003.
- Precision Engineering: Manual measurements and tight tolerances reduce errors and ensure an accurate fit. Highly durable construction provides long service life.
- Easy Installation: Simple bolt-on replacement takes minutes. Detailed instructions included for quick DIY repair. Saves the cost of replacing entire pump.
- Reliable Performance: Restores proper pressure washer functioning by regulating pump pressure output. Enables washer to run safely.
The Carbpro 310924003 Unloader Valve Kit provides an affordable and easy solution for restoring optimal performance to compatible pressure washer pumps. Its high quality engineering and precision manufacturing allows for a direct replacement of the original part.
Tektall AR42118 Pressure Washer Unloader Valve Rebuild Kit
The Tektall AR42118 is a replacement unloader valve kit for pressure washer pumps like Troy Bilt, Ridgid, and Husky models. This high quality valve kit helps regulate system pressure and prevents pump damage.
The Tektall AR42118 Unloader Valve Rebuild Kit is designed to replace worn or damaged unloader valves on certain pressure washer pump models. This valve kit helps maintain optimal pressure washer performance.
Key Features and Benefits:
- Fits Many Popular Pressure Washer Pumps: Designed to replace unloader valves on RMW, RMV, and SRMW series pumps from brands like Troy Bilt, Ridgid, and Husky.
- Quality Construction: Made from durable brass and stainless steel components that resist wear, rust, and high temperatures.
- Regulates System Pressure: Unloader valve controls pump pressure output to prevent damage and maximize washer performance.
- Easy to Install: Direct replacement unloader valve simplifies installation.
- Affordable Solution: Quality valve rebuild kit provides an affordable fix to restore pressure washer function.
The Tektall AR42118 Unloader Valve Rebuild Kit offers an easy and budget-friendly solution for fixing issues with unloader valve failure on compatible pressure washer pumps. Its quality brass construction and precise fit helps restore proper pressure regulation.
Proven Part Replacement Unloader Valve
This replacement unloader valve from Proven Part is designed to fit many pressure washer pump models from brands like Excell and Devilbiss that use a 4-bolt manifold. It measures 2.75 inches long and replaces part numbers 190594GS and 190628GS.
The Proven Part Replacement Unloader Valve is an ideal solution for fixing or upgrading the unloader valve on your pressure washer pump. This high-quality valve features durable construction and precise sizing to properly regulate water pressure.
Key Features and Benefits:
- Replaces parts 190594GS and 190628GS
- Designed for 4-bolt manifold pumps
- Precisely measures 2.75 inches long
- Made from rugged materials for longevity
- Allows for smooth and consistent pressure regulation
- Easy to install for a quick repair or upgrade
- Enables optimal performance from your pressure washer
With exact fitment and reliable performance, the Proven Part Replacement Unloader Valve helps keep your pressure washer working properly season after season. It’s an affordable way to restore or enhance your power washing equipment.
Carbman Pressure Washer Unloader Valve Kit
The Carbman unloader valve kit is designed to replace worn or damaged unloader valves on Briggs & Stratton and Troy Bilt pressure washer pumps. This aftermarket replacement kit helps restore proper pressure washer functioning.
The Carbman 310924003 is an unloader valve kit compatible with many Briggs & Stratton and Troy Bilt pressure washer pump models. This replacement kit includes the unloader valve assembly and necessary hardware for installation.
Key Features and Benefits:
- Direct replacement for worn or damaged unloader valves
- Helps restore proper pressure washer pump functioning
- Designed for Briggs & Stratton and Troy Bilt pumps
- Easy to install, detailed instructions not included
- Kit includes unloader valve and hardware
- Enables reliable pressure washer operation
- Affordable aftermarket replacement part
The Carbman unloader valve kit provides an economical solution for restoring optimal performance to your Briggs & Stratton or Troy Bilt pressure washer pump. Simple installation helps get your washer working properly again.
Headerbs Pressure Washer Unloader Valve Replacement
This unloader valve replacement part is made by Headerbs to fit Bilt pressure washer pumps. It has part number 309515003 308418003 and is made from durable steel alloy and copper materials. Directly replaces worn out or damaged unloader valves.
The Headerbs Pressure Washer Unloader Valve Replacement is an ideal repair part for fixing issues with your Bilt pressure washer pump. This high-quality replacement unloader valve assembly is built to original specifications and has the following features and benefits:
- Direct Replacement Part: The unloader valve is a direct replacement for the original part with part numbers 309515003 and 308418003. It matches perfectly without modifications needed.
- Durable Construction: Made from sturdy steel alloy and copper materials, this valve replacement is impact and wear resistant for a long lifespan.
- Easy Installation: Following original sizing, you can install this unloader valve quickly and easily without hassle.
The Headerbs unloader valve makes fixing your pressure washer quick and straightforward. Simply swap it in to replace a damaged or malfunctioning valve and get your washer running like new again.
VB P.A. Unloader Valve Pressure Washer Pump VB 350
The VB P.A. Unloader Valve Pressure Washer Pump VB 350 is an Italian-made replacement unloader valve for high pressure pumps up to 5650 PSI. It features sturdy steel and brass construction with an adjustable locknut to control maximum pressure.
The VB P.A. Unloader Valve Pressure Washer Pump VB 350 is a high-quality replacement unloader valve designed for pressure washer pumps up to 5650 PSI. Manufactured in Italy using robust materials like nylon, alloy steel and brass, this unloader valve can handle demanding pressure washer applications.
Key Features:
- Product Name: VB P.A. Unloader Valve Pressure Washer Pump VB 350
- Rated pressure: 5075 psi (350 bar), Max flow rate: 10.5 US gpm (40 L/min)
- Sturdy steel and brass construction with nylon knob
- Adjustable locknut to control max pressure
- Easy maintenance and installation
- Compatible with AR Comet Cat pump models
- 7×5 toll-free support from Canada
The VB P.A. Unloader Valve Pressure Washer Pump VB 350 is designed to deliver reliable performance and adjustable pressure control for replacing worn-out unloader valves in pressure washers. Its high max PSI rating and quality construction makes it a great choice for most residential and commercial pressure washer pumps.
Pressure Washer Pump Unloader Valve Rebuild Kit
This pressure washer pump rebuild kit is designed to repair and replace worn out or damaged unloader valves on various brands and models of pressure washer pumps. It is made with high quality materials for durability and reliability.
Keep your pressure washer running like new with this unloader valve rebuild kit. This kit contains the necessary components to rebuild worn out or malfunctioning unloader valves on pressure washer pumps. It is designed to replace the unloader valve on several popular pressure washer pump models from brands like Annovi Reverberi, Ridgid, and Husky.
Key Features and Benefits:
- Made of durable high quality materials – Provides long lasting performance and reliability. Materials resist wear, corrosion and high temperatures.
- Direct replacement unloader valve – Easy to install and gets your pressure washer functioning properly again. No special tools required.
- Fits many major brand pumps – Compatible with Annovi Reverberi, Ridgid, Husky and other pumps. Refer to product description for full list of compatible models.
- Restores proper pressure washer functioning – Fixes issues with pressure washer not building or maintaining pressure. Enables automatic on/off functioning.
- Extends pump life – Unloader valve releases pressure when trigger is released. This prevents pump damage from constant high pressure.
Get your pressure washer working like new again with this high quality unloader valve rebuild kit. It provides an affordable and easy solution for fixing common pressure washer pump problems.
AR ANNOVI REVERBERI Pressure Washer Unloader Valve - VRT3-250
The AR ANNOVI REVERBERI VRT3-250 is a heavy duty pressure washer unloader valve designed to relieve built up pressure within pumps up to 3650 PSI. Made from durable brass construction with adjustable knob for variable pressure control.
The AR ANNOVI REVERBERI VRT3-250 unloader valve is an essential component for pressure washers to help regulate water flow and prevent pump damage. This high quality unloader valve diverts water flow into bypass when the trigger gun valve is closed, responding to increases in pressure.
Key Features and Benefits:
- Product Name: AR ANNOVI REVERBERI VRT3-250 Pressure Washer Unloader Valve
- Max Pressure: 3650 PSI
- Max Flow: 10.5 GPM
- Inlet Size: 2 x 3/8″ F
- Outlet Fitting: 3/8″ F
- Bypass Ports: 2 x 3/8″ F
- Durable brass construction
- Blue spring color
- Adjustable knob for variable pressure control
- Relieves built up pump pressure
- Prevents pump damage
The AR ANNOVI REVERBERI VRT3-250 unloader valve is designed to withstand heavy duty pressure washer applications with its robust brass body. The adjustable knob allows for convenient pressure adjustment while the multiple inlet/outlet ports provide versatile installation. This high performing unloader valve helps regulate water flow to protect pumps from damage and extend equipment life.