Pro-Line Fittings

ProLine
  • ProLine® - Brass Ground Key and Stop Drain Valve
    ProLine®Brass Ground Key and Stop Drain Valve (105-904NL)
    0
    # mpn4679739563
    Brass Ground Key and Stop Drain Valve (105-904NL) by ProLine®. Size: 3/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    Can be operated with a square keyDrains non-pressure side of lline automatically when closed
    $26.14
  • ProLine® - Brass Ground Key and Stop Drain Valve
    ProLine®Brass Ground Key and Stop Drain Valve (105-903NL)
    0
    # mpn4679739554
    Brass Ground Key and Stop Drain Valve (105-903NL) by ProLine®. Size: 1/2". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    Can be operated with a square keyDrains non-pressure side of lline automatically when closed
    $28.01
  • ProLine® - Brass Hard Seat Threaded Swing Check Valve
    ProLine®Brass Hard Seat Threaded Swing Check Valve (101-008NL)
    0
    # mpn4679739529
    Brass Hard Seat Threaded Swing Check Valve (101-008NL) by ProLine®. Size: 2". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    200 PSI WOAMade with the use of the most innovative technologies
    $41.55
  • ProLine® - Brass Hard Seat Threaded Swing Check Valve
    ProLine®Brass Hard Seat Threaded Swing Check Valve (101-005NL)
    0
    # mpn4679739525
    Brass Hard Seat Threaded Swing Check Valve (101-005NL) by ProLine®. Size: 1". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    200 PSI WOAMade with the use of the most innovative technologies
    $16.79
  • ProLine® - Brass Hard Seat Threaded Swing Check Valve
    ProLine®Brass Hard Seat Threaded Swing Check Valve (101-003NL)
    0
    # mpn4679739524
    Brass Hard Seat Threaded Swing Check Valve (101-003NL) by ProLine®. Size: 1/2". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    200 PSI WOAMade with the use of the most innovative technologies
    $11.53
  • ProLine® - Brass Hard Seat Threaded Swing Check Valve
    ProLine®Brass Hard Seat Threaded Swing Check Valve (101-006NL)
    0
    # mpn4679739522
    Brass Hard Seat Threaded Swing Check Valve (101-006NL) by ProLine®. Size: 1-1/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    200 PSI WOAMade with the use of the most innovative technologies
    $24.07
  • ProLine® - Brass Hard Seat Threaded Swing Check Valve
    ProLine®Brass Hard Seat Threaded Swing Check Valve (101-004NL)
    0
    # mpn4679739517
    Brass Hard Seat Threaded Swing Check Valve (101-004NL) by ProLine®. Size: 3/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    200 PSI WOAMade with the use of the most innovative technologies
    $14.12
  • ProLine® - Brass Hard Seat Threaded Swing Check Valve
    ProLine®Brass Hard Seat Threaded Swing Check Valve (101-007NL)
    0
    # mpn4679739508
    Brass Hard Seat Threaded Swing Check Valve (101-007NL) by ProLine®. Size: 1-1/2". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    200 PSI WOAMade with the use of the most innovative technologies
    $34.46
  • ProLine® - Brass Heavy Duty Hose Bibb
    ProLine®Brass Heavy Duty Hose Bibb (103-013)
    0
    # mpn4679739622
    Brass Heavy Duty Hose Bibb (103-013) by ProLine®. Size: 1/2". Connection: MIP or SWT. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use...
    125 PSI maximum working pressureHeavy brass construction for strength and durability
    $13.48
  • ProLine® - Brass No Kink Hose Bibb
    ProLine®Brass No Kink Hose Bibb (102-304)
    0
    # mpn4679739619
    Brass No Kink Hose Bibb (102-304) by ProLine®. Size: 3/4". Connection: MIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with steam,...
    For use with water or oilMulti-turn operation
    $10.61
  • ProLine® - Brass Push Fit Valve Adapter
    ProLine®Brass Push Fit Valve Adapter (634-103HC)
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    # mpn4679739594
    Brass Push Fit Valve Adapter by ProLine®. Size: 1/2" x 1/2". Connection: PF x MPT. ProLine Push-Fit Fittings provide for simple installations and longlasting reliability. Compatible with Copper, PEX and CPVC piping, these fittings are...
    Great for installations in tight spacesFor use with most commonly installed 1/2" & 3/4" sizes
    $11.86
  • ProLine® - Brass Screw Over Bonnet Heavy Duty Gate Valve
    ProLine®Brass Screw Over Bonnet Heavy Duty Gate Valve (100-205NL)
    0
    # mpn4679739518
    Brass Screw Over Bonnet Heavy Duty Gate Valve (100-205NL) by ProLine®. Size: 1". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    300 PSI WOG/ 150 PSI WSPFull port for maximum flow rate
    $26.48
  • ProLine® - Brass Screw Over Bonnet Heavy Duty Gate Valve
    ProLine®Brass Screw Over Bonnet Heavy Duty Gate Valve (100-204NL)
    0
    # mpn4679739511
    Brass Screw Over Bonnet Heavy Duty Gate Valve (100-204NL) by ProLine®. Size: 3/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    300 PSI WOG/ 150 PSI WSPFull port for maximum flow rate
    $18.99
  • ProLine® - Brass Screw Over Bonnet Heavy Duty Gate Valve
    ProLine®Brass Screw Over Bonnet Heavy Duty Gate Valve (100-203NL)
    0
    # mpn4679739510
    Brass Screw Over Bonnet Heavy Duty Gate Valve (100-203NL) by ProLine®. Size: 1/2". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control...
    300 PSI WOG/ 150 PSI WSPFull port for maximum flow rate
    $15.65
  • ProLine® - Brass Stop Valve
    ProLine®Brass Stop Valve (105-003NL)
    0
    # mpn4679739626
    Brass Stop Valve (105-003NL) by ProLine®. Size: 1/2". Connection: FIP or FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with...
    125 PSI WOGRising stem for positive open and close operation
    $12.00
  • ProLine® - Brass Stop Valve
    ProLine®Brass Stop Valve (105-503NL)
    0
    # mpn4679739603
    Brass Stop Valve (105-503NL) by ProLine®. Size: 1/2". Connection: SWT x SWT. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with steam,...
    125 PSI WOGRising stem for positive open and close operation
    $11.33
  • ProLine® - Brass Stop Valve
    ProLine®Brass Stop Valve (105-004NL)
    0
    # mpn4679739562
    Brass Stop Valve (105-004NL) by ProLine®. Size: 3/4". Connection: FIP or FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use with...
    125 PSI WOGRising stem for positive open and close operation
    $13.11
  • ProLine® - Brass Stop and Waste Valve
    ProLine®Brass Stop and Waste Valve (105-603NL)
    0
    # mpn4679739628
    Brass Stop and Waste Valve (105-603NL) by ProLine®. Size: 1/2". Connection: SWT x SWT. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use...
    125 PSI WOGRising stem for positive open and close operation
    $12.30
  • ProLine® - Brass Stop and Waste Valve
    ProLine®Brass Stop and Waste Valve (105-104NL)
    0
    # mpn4679739627
    Brass Stop and Waste Valve (105-104NL) by ProLine®. Size: 3/4". Connection: FIP or FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including use...
    125 PSI WOGRising stem for positive open and close operation
    $14.58
  • ProLine® - Brass Threaded In-Line Check Valve
    ProLine®Brass Threaded In-Line Check Valve (101-307NL)
    0
    # mpn4679739543
    Brass Threaded In-Line Check Valve (101-307NL) by ProLine®. Size: 1-1/2". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    Rated for 200 PSISpring-loaded poppet
    $39.70
  • ProLine® - Brass Threaded In-Line Check Valve
    ProLine®Brass Threaded In-Line Check Valve (101-306NL)
    0
    # mpn4679739530
    Brass Threaded In-Line Check Valve (101-306NL) by ProLine®. Size: 1-1/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    Rated for 200 PSISpring-loaded poppet
    $35.46
  • ProLine® - Brass Threaded In-Line Check Valve
    ProLine®Brass Threaded In-Line Check Valve (101-305NL)
    0
    # mpn4679739513
    Brass Threaded In-Line Check Valve (101-305NL) by ProLine®. Size: 1". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications including...
    Rated for 200 PSISpring-loaded poppet
    $28.88
  • ProLine® - Brass Threaded In-Line Check Valve
    ProLine®Brass Threaded In-Line Check Valve (101-304NL)
    0
    # mpn4679739512
    Brass Threaded In-Line Check Valve (101-304NL) by ProLine®. Size: 3/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    Rated for 200 PSISpring-loaded poppet
    $24.24
  • ProLine® - Chrome-Plated Brass Frost Free Sillcock
    ProLine®Chrome-Plated Brass Frost Free Sillcock (104-413)
    0
    # mpn4679739624
    Chrome-Plated Brass Frost Free Sillcock (104-413) by ProLine®. Size: 3/4" or 1/2" x 8". Connection: MIP or FIP. 1/2" Male & 1/2" Female Multi-turn. ProLine Plumbing Valves provide trusted performance for a variety of residential,...
    Chrome-plated brass body and tube for corrosion resistance3/4" hose thread outlet
    $20.76
  • ProLine® - Chrome-Plated Brass Frost Free Sillcock
    ProLine®Chrome-Plated Brass Frost Free Sillcock (104-406)
    0
    # mpn4679739599
    Chrome-Plated Brass Frost Free Sillcock (104-406) by ProLine®. Size: 1/2" x 14". Connection: MIP or SWT. 1/2" Male & 1/2" Solder Multi-turn. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial...
    Chrome-plated brass body and tube for corrosion resistance3/4" hose thread outlet
    $20.59
  • ProLine® - Chrome-Plated Brass Frost Free Sillcock
    ProLine®Chrome-Plated Brass Frost Free Sillcock (104-415)
    0
    # mpn4679739559
    Chrome-Plated Brass Frost Free Sillcock (104-415) by ProLine®. Size: 3/4" or 1/2" x 12". Connection: MIP or FIP. 1/2" Male & 1/2" Female Multi-turn. ProLine Plumbing Valves provide trusted performance for a variety of residential,...
    Chrome-plated brass body and tube for corrosion resistance3/4" hose thread outlet
    $22.54
  • ProLine® - Chrome-Plated Brass Frost Free Sillcock
    ProLine®Chrome-Plated Brass Frost Free Sillcock (104-414)
    0
    # mpn4679739549
    Chrome-Plated Brass Frost Free Sillcock (104-414) by ProLine®. Size: 3/4" or 1/2" x 10". Connection: MIP or FIP. 1/2" Male & 1/2" Female Multi-turn. ProLine Plumbing Valves provide trusted performance for a variety of residential,...
    Chrome-plated brass body and tube for corrosion resistance3/4" hose thread outlet
    $21.91
  • ProLine® - Chrome-Plated Brass Frost Free Sillcock
    ProLine®Chrome-Plated Brass Frost Free Sillcock (104-412)
    0
    # mpn4679739548
    Chrome-Plated Brass Frost Free Sillcock (104-412) by ProLine®. Size: 3/4" or 1/2" x 6". Connection: MIP or FIP. 1/2" Male & 1/2" Female Multi-turn. ProLine Plumbing Valves provide trusted performance for a variety of residential,...
    Chrome-plated brass body and tube for corrosion resistance3/4" hose thread outlet
    $19.64
  • ProLine® - EZ-Connect™ Lead Free Brass Supply Stop Extender Tee
    ProLine®EZ-Connect™ Lead Free Brass Supply Stop Extender Tee (993-017NL)
    0
    # mpn4679739584
    EZ-Connect™ Lead Free Brass Supply Stop Extender Tee by ProLine®. Size: 1/2" x 1/2". Connection: with 1/4" Branch. Manufactured to exacting quality. These Supply Stops are designed and manufactured to provide trusted performance and...
    Perfect for a variety of plumbing applicationsLead free
    $12.82
  • ProLine® - Forged Brass Compact Pattern Gate Valve
    ProLine®Forged Brass Compact Pattern Gate Valve (100-406NL)
    0
    # mpn4679739523
    Forged Brass Compact Pattern Gate Valve (100-406NL) by ProLine®. Size: 1-1/4". Connection: FIP x FIP. ProLine Plumbing Valves provide trusted performance for a variety of residential, commercial and industrial flow control applications...
    200 PSI WOG/ 125 PSI WSPStandard port
    $22.64




The availability of fresh water is arguably one of the most appealing features of RVs. It means hot showers, delicious food, and using your private toilet – in other words, on-road comfort at the highest level. For this reason, it is crucial to ensure that the whole system is well-kept, and that everything functions properly. Checking the system beforehand is recommended to avoid any possible issues when you are parked in remote areas and far from a spare parts supplier. If you need to replace some fittings or valves of the RV's plumbing system, consider the Pro-Line trademark by BK Products.

Founded over forty years ago, the company sets the bar for flow control solutions in the plumbing industry. Pro-Line fittings include a vast choice of specialized connectors and valves to repair or upgrade home and RV plumbing systems. We offer a wide selection of brass, brass chrome-plated, and PVC valves. Common designs include washing machine valves, ball, and foot check valves. You can also find various connectors, adapters, and hose bibb locks to ensure that your RV's plumbing system works properly. As they say at Pro-Line, the quality of people's life at home or in an RV depends on the dependability of the plumbing system and the parts they choose.

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