My Account | My Garage | Commercial/Dealer Login | Order Status |
Contact Customer Support
M-F: 9am-6pm ET
Sat: 9am-5pm ET
| 1-877-737-2787
Shopping Cart

Over 1,000,000 Orders Shipped Since 1997!

6579 YVB4021B Multi Gun Unloader

Barens 6579 YVB4021B Multi Gun Unloader

Part#:  6579
There are no reviews at this time.
Barens OEM Part



YVB4021B Multi Gun Unloader

Fits Model


Also Fits Model


Replaces OEM

General Pump


Temperature 195°F
Inlet 1/2" FPT
1/2" FPT Bypass
Suitable for use with multiple guns at the same time. Dynamic seals made up of o-rings and teflon runner. Optimized internal passages that guarantee reduced pressure loss. No risk of fittings being ejected in case of overpressure because o-rings are positioned upstream to the threads. 1/4" FPT fitting for pressure gauge
Pressure drop to reset bypass: 32% (This is the pressure reduction necessary in comparison to the set up in order that the valve brings back pressure in the circuit, % figures of the pressure set up)
Unloader is designed to operate at a CONTINUOUS water temperature of 140F. It can be operated for short periods at a maximum temperature of 195F.
Outlet 1/2" FPT
Weight 2.5 lbs
Equipment Type Pressure Washer
PSI 400-4500

Customer Reviews for the YVB4021B Multi Gun Unloader

There are no reviews for this product at the time.

Questions & Answers for the Barens 6579

Ask us about the Barens 6579 YVB4021B Multi Gun Unloader. Please no repair questions. Your Q&A may be posted to to help other shoppers, like you, with their purchasing decisions. Thank you.

Repair Tips For Barens 6579

No repair tips at this time.

back to top