"After the Sale it's the Service that Counts!"®

Shopping Cart

Over 1,000,000 Orders Shipped Since 1997!

YVB4021B Multi Gun Unloader 6579

Barens YVB4021B Multi Gun Unloader

Part#: 6579

There are no reviews at this time.

Barens OEM Part
On Sale!

Reg. Price: $184.10
You Save: $46.02 (25% Off)

No Sales Tax!



YVB4021B Multi Gun Unloader

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

Reviews for the YVB4021B Multi Gun Unloader

There are no reviews for this product at the time.
Didn't Find your Part?
Need Help Finding Your Part?
Parts Lookup
Commercial Savings
Featured Offers

Lawn Mower Parts!

Featured Offer
Large selection of Lawn Mower Parts for all the major Manufacturers!

Lawn Mower Parts

Popular DIY Info!


Tons of videos and information on regular maintenance for Outdoor Power Equipment