Wilkins 350 Double Check Valve Assemblies

These Wilkins 350 Series double check valve assemblies, manufactured by Zurn, are designed for installation on water lines to protect against both back-siphonage and back-pressure of polluted water into the water supply.

Manuals -


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  • 1" Lead Free Wilkins 350XL Double Check Valve Assembly View Specs

    $117.95 / each

    In Stock! (127 Available) Ships in 24-48 Hrs
  • 3/4" Wilkins 350XL Double Check Valve Assembly (Lead Free) View Specs

    $109.95 / each

    $211.90 / box
    2 x $105.95

    In Stock! (144 Available) Ships in 24-48 Hrs
  • 1-1/4" Lead Free Wilkins 350XL Double Check Valve Assembly View Specs

    $229.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1-1/2" Lead Free Wilkins 350XL Double Check Valve Assembly View Specs

    $235.95 / each

    In Stock! (32 Available) Ships in 24-48 Hrs
  • 2" Wilkins 350XL Double Check Valve Assembly View Specs

    $312.95 / each

    In Stock! (72 Available) Ships in 24-48 Hrs
  • 4" Wilkins 350AOSY Double Check Valve Assembly w/ OSY View Specs

    $2,149.95 / each

    In Stock at Supplier! (5 Available) Ships in 2-3 Days
  • 4" Wilkins 350OSY Double Check Valve Assembly w/OSY View Specs

    $2,359.95 / each

    In Stock at Supplier! (8 Available) Ships in 2-3 Days
  • 6" Wilkins 350AOSY Double Check Valve Assembly w/ OSY View Specs

    $3,269.95 / each

    In Stock at Supplier! (3 Available) Ships in 2-3 Days
  • 1" Wilkins 350XLFT Double Check Valve Assembly w/ Test Cocks, Lead Free View Specs

    $174.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 1" LF 350XL Double Check Valve Assembly, Double Male Meter THD View Specs

    $149.95 / each

    In Stock at Supplier! (35 Available) Ships in 2-3 Days
  • 2nd Check Assembly for 2-1/2" to 4" 350 Series Double Check Valve View Specs

    $241.95 / each

    In Stock at Supplier! (5 Available) Ships in 2-3 Days
  • 2-1/2" 350ABG Double Check Valve Assembly w/ Grooved End Butterfly Valves View Specs

    $1,479.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4" 350ABGVIC Double Check Valve Assembly w/ Groove End Butterfly Valves View Specs

    $1,739.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 4" Wilkins 350L Double Check Valve Assembly View Specs

    $1,499.95 / each

    In Stock! (5 Available) Ships in 24-48 Hrs
  • 6" to 10" Bulkhead Fitting Assembly for 350 View Specs
    • SKU: BHF2B-100
    • Brand: Zurn

    $64.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 6" 350DALLMNYC Double Check Detector Assembly, Less GV View Specs

    $2,559.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 8" to 10" Bulkhead Fitting Assembly for 350 View Specs
    • SKU: BHF2C-100
    • Brand: Zurn

    $69.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 3" 350DALMNYC Double Check Detector Assembly View Specs
    • SKU: 3-350DALMNYC
    • Brand: Zurn

    $1,979.95 / each

    In Stock at Supplier! (25 Available) Ships in 2-3 Days
  • 4" 350DALLMNYC Double Check Detector Assembly View Specs
    • SKU: 4-350DALLMNYC
    • Brand: Zurn

    $1,769.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out
  • 2-1/2" Wilkins 350 Double Check Valve Assembly View Specs

    $1,569.95 / each

    Non-Stock Item Allow 7-10 Days to Ship Out