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Thread-On Unloaders

(Showing 12 of 22)

Threaded models offer flexible installation options for various pump types.

Compare
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  • P.A. Pulsar Rv: 4050 psi @ 10 US gpm Unloader Bypass Valve w/ Optional Kit

    P.A.

    P.A. Pulsar Rv: 4050 psi @ 10 US gpm Unloader Bypass Valve w/ Optional Kit

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Female
    Bypass: 3/8-in Female
    US$68.00 - US$89.00
  • P.A. VB 80/400: 5800 psi @ 21 US gpm Stainless-Steel Unloader Valve

    P.A.

    SKU: 042001

    P.A. VB 80/400: 5800 psi @ 21 US gpm Stainless-Steel Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    US$380.00
  • Mecline VRT100 High Flow: 5075 psi @ 26.4 US gpm Unloader Valve

    Mecline

    SKU: 042007

    Mecline VRT100 High Flow: 5075 psi @ 26.4 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    US$156.00
  • Canpump Universal Bypass Kit for 3/8-in Unloader Valve

    Canpump

    SKU: 500059

    Canpump Universal Bypass Kit for 3/8-in Unloader Valve

    Inlet: 3/4-in Garden Hose Female
    Outlet: 3/8-in Male NPT to 3/8-in Quick-Connect Socket
    Bypass: 3/8-in Male NPT to Barbed Fitting
    US$28.00
  • P.A. VB 350: 5075 psi @ 10.5 US gpm Unloader Valve w/ Knob

    P.A.

    SKU: 041013

    P.A. VB 350: 5075 psi @ 10.5 US gpm Unloader Valve w/ Knob

    Chemical injector: No
    Inlet: 3/8-in Male
    Outlet: 3/8-in Male
    Bypass: 1/2-in Female
    US$110.00
  • P.A. VB 53: 7250 psi @ 21 US gpm Stainless-Steel Unloader Valve

    P.A.

    SKU: 042004

    P.A. VB 53: 7250 psi @ 21 US gpm Stainless-Steel Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    US$336.00
    Only 3 in stock
  • P.A. VB 130: 2300 psi @ 6.5 US gpm Unloader Valve

    P.A.

    SKU: 041019

    P.A. VB 130: 2300 psi @ 6.5 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 3/8-in Male
    Outlet: 3/8-in Male
    Bypass: 3/8-in Female
    US$47.20
  • P.A. VB 85/310: 4050 psi @ 21 US gpm Unloader Valve

    P.A.

    SKU: 042005

    P.A. VB 85/310: 4050 psi @ 21 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    US$118.00
  • Canpump 1/2-in Unloader Valve - 4350 psi @ 21.1 US gpm

    Canpump

    SKU: 043006

    Canpump 1/2-in Unloader Valve - 4350 psi @ 21.1 US gpm

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    US$88.00
  • Canpump Universal 3/8-in Unloader Valve - 4000 psi @ 6.6 US gpm, Easy Start

    Canpump

    SKU: 043005

    Canpump Universal 3/8-in Unloader Valve - 4000 psi @ 6.6 US gpm, Easy Start

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Male
    Bypass: 3/8-in Female
    US$56.00
  • P.A. VB 85/160: 2300 psi @ 21 US gpm Unloader Valve

    P.A.

    SKU: 042006

    P.A. VB 85/160: 2300 psi @ 21 US gpm Unloader Valve

    Chemical injector: No
    Inlet: 1/2-in Female
    Outlet: 1/2-in Female
    Bypass: 1/2-in Female
    US$124.00
    Only 2 in stock
  • P.A. Pulsar Zero: 4050 psi @ 10.5 US gpm Flow-Sensitive Unloader Valve

    P.A.

    SKU: 041011

    P.A. Pulsar Zero: 4050 psi @ 10.5 US gpm Flow-Sensitive Unloader Valve

    Chemical injector: No
    Inlet: 3/8-in Female
    Outlet: 3/8-in Female
    Bypass: 3/8-in Female
    US$184.00