For Sale USA

Backflow valve

4

Backflow valve for sale on largest auction and classifieds sites

Home / / Backflow valve refurbished & used for sale | For Sale USA
350 double check backflow - double,

350 double check backflow - double,

$138.00
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Watts b911s comb fill - watts,

Watts b911s comb fill - watts,

$174.99
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Watts 007m1 in - 007m1-qt-fz, double

Watts 007m1 in - 007m1-qt-fz, double

$144.95
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350 double check backflow - 1-350,

350 double check backflow - 1-350,

$132.98
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Pvc backwater valve - 4", drain

Pvc backwater valve - 4", drain

$37.50
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Febco backflow lf850 qt - febco, lf850-qt

Febco backflow lf850 qt - febco, lf850-qt

$150.00
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Wilkins 950xlt double - 2",

Wilkins 950xlt double - 2",

$800.00
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Febco 765 pvb 1in - pvb,

Febco 765 pvb 1in - pvb,

$79.99
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975xl2 reduced - 34-975xl2,

975xl2 reduced - 34-975xl2,

$300.00
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350 double check - double,

350 double check - double,

$122.95
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Watts bronze quarter - in.,

Watts bronze quarter - in.,

$197.88
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350 double check - 350,

350 double check - 350,

$87.77
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Watts double check valve - watts,

Watts double check valve - watts,

$179.99
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Zurn wilkins 975xl - zurn, rpz

Zurn wilkins 975xl - zurn, rpz

$499.00
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Zurn wilkins 350xl - zurn, 1"

Zurn wilkins 350xl - zurn, 1"

$179.99
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Watts bronze double - 3/4, in.

Watts bronze double - 3/4, in.

$269.10
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350 double check - ,

350 double check - ,

$129.99
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Pvc white plastic solvent - white,

Pvc white plastic solvent - white,

$8.99
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Brass dual check - 1/2",

Brass dual check - 1/2",

$35.00
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Pressure vacuum breaker - pressure,

Pressure vacuum breaker - pressure,

$55.00
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Watts sd2 mf - 3/8", check

Watts sd2 mf - 3/8", check

$100.00
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Zurn wilkins 760 inch - zurn, 1/2"-inch

Zurn wilkins 760 inch - zurn, 1/2"-inch

$39.95
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For pvb backflow preventer - for,

For pvb backflow preventer - for,

$75.90
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Inch pvc backflow - 4,

Inch pvc backflow - 4,

$89.99
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Watts bronze reduced - watts, in

Watts bronze reduced - watts, in

$299.99
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Watts lf007m1 inch double - lf007m1-qt,

Watts lf007m1 inch double - lf007m1-qt,

$188.88
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720a brass pressure - 1",

720a brass pressure - 1",

$45.50
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Zurn wilkins backflow - zurn,

Zurn wilkins backflow - zurn,

$62.00
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Watts bronze quarter turn - bronze,

Watts bronze quarter turn - bronze,

$225.00
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Zurn wilkins 350 double - zurn,

Zurn wilkins 350 double - zurn,

$170.00
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Watts bronze double - watts, in.

Watts bronze double - watts, in.

$189.99
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Backflow preventer check - backflow, preventer,

Backflow preventer check - backflow, preventer,

$229.95
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For watts 0061888 3 4 - watts, 3/4

For watts 0061888 3 4 - watts, 3/4

$69.50
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Watts 9dm2 backflow - in,

Watts 9dm2 backflow - in,

$65.00
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Watts lf007m1 qt fz - 1", lf007m1-qt-fz

Watts lf007m1 qt fz - 1", lf007m1-qt-fz

$249.98
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Nos zurn 760 - 3/4", dual

Nos zurn 760 - 3/4", dual

$54.96
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Zurn 350astda wilkins - 350astda,

Zurn 350astda wilkins - 350astda,

$477.93
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Febco 1313 860 reduced - 1",

Febco 1313 860 reduced - 1",

$269.95
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Apollo dc40 double - 1”,

Apollo dc40 double - 1”,

$140.00
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Zurn wilkins 950xlt2 - wilkins, 1

Zurn wilkins 950xlt2 - wilkins, 1

$225.00
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720a pressure vacuum - 720a,

720a pressure vacuum - 720a,

$64.99
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Complete repair kit - complete,

Complete repair kit - complete,

$22.49
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Mcdonald brass backflow - mcdonald, 3/4"

Mcdonald brass backflow - mcdonald, 3/4"

$20.00
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Zurn wilkins 950xlt2 - zurn, 1

Zurn wilkins 950xlt2 - zurn, 1

$199.80
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Zurn wilkins backflow - zurn,

Zurn wilkins backflow - zurn,

$800.00
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Inch backwater valve drain - inch,

Inch backwater valve drain - inch,

$43.99
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Zurn wilkins 38ufx38f 700xl - zurn, 38ufx38f-700xl

Zurn wilkins 38ufx38f 700xl - zurn, 38ufx38f-700xl

$49.99
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Backflow preventer dual - 9d-m2,

Backflow preventer dual - 9d-m2,

$60.99
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Watts lf007m1 qt fz - 2, lf007m1-qt-fz

Watts lf007m1 qt fz - 2, lf007m1-qt-fz

$699.99
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Bbfp ips backflow - 1/2",

Bbfp ips backflow - 1/2",

$44.99
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Zurn wilkins 375astl - zurn,

Zurn wilkins 375astl - zurn,

$1249.00
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Threaded backflow - threaded, (ips)

Threaded backflow - threaded, (ips)

$35.37
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Zurn wilkins 950xlt2 - 1, in.

Zurn wilkins 950xlt2 - 1, in.

$229.99
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Febco 765 qt pvb watts - 3/4",

Febco 765 qt pvb watts - 3/4",

$89.99
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Watts bronze double - watts, in.

Watts bronze double - watts, in.

$194.99
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2pcs brass one way check - brass, one-way

2pcs brass one way check - brass, one-way

$10.96
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New watts 009m2 0887306 - new, rk

New watts 009m2 0887306 - new, rk

$79.95
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350xl double check - in.,

350xl double check - in.,

$399.00
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Watts sd3 fn - ~, dual

Watts sd3 fn - ~, dual

$179.95
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Watts reduced pressure - reduced,

Watts reduced pressure - reduced,

$339.00
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Watts b911s m3 - watts, 1/2"

Watts b911s m3 - watts, 1/2"

$140.00
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720a pressure vacuum - 3/4",

720a pressure vacuum - 3/4",

$65.40
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Cash acme backflow preventer - backflow,

Cash acme backflow preventer - backflow,

$24.68
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Pack dn25 brass - 2, foot

Pack dn25 brass - 2, foot

$15.32
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Test cock dust cap - test,

Test cock dust cap - test,

$10.27
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Midline valve 4i2u34 - valve, pvc

Midline valve 4i2u34 - valve, pvc

$14.59
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Watts bronze reduced - watts, in.

Watts bronze reduced - watts, in.

$299.95
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350 double check backflow - 1-350,

350 double check backflow - 1-350,

$92.00
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Universal fnpt check - universal,

Universal fnpt check - universal,

$37.04
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Watts bronze quarter - watts, turn

Watts bronze quarter - watts, turn

$175.00
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Inch white pvc backwater - pvc,

Inch white pvc backwater - pvc,

$32.13
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350 double check backflow - 34-350,

350 double check backflow - 34-350,

$135.00
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Inch pvc backwater valve - pvc,

Inch pvc backwater valve - pvc,

$30.74
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Backflow preventer valve 4 - preventer, valve,4

Backflow preventer valve 4 - preventer, valve,4

$79.86
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Zurn wilkins 1 - 1", 1-975xl

Zurn wilkins 1 - 1", 1-975xl

$439.99
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Zurn wilkins 375xl - rp, 3/4”

Zurn wilkins 375xl - rp, 3/4”

$249.99
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Safe cover 4625 aluminum - safe-t-cover,

Safe cover 4625 aluminum - safe-t-cover,

$1500.00
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Backflow preventer dual - backflow,

Backflow preventer dual - backflow,

$43.99
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New watts double check - 3/4",

New watts double check - 3/4",

$165.00
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Lead brass check valve - brass,

Lead brass check valve - brass,

$29.26
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For watts 0061888 - for, 3/4

For watts 0061888 - for, 3/4

$69.50
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Boltigen upvc spring ture - boltigen,

Boltigen upvc spring ture - boltigen,

$26.43
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Inch backflow valve - inch,

Inch backflow valve - inch,

$23.99
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Apollo valves 200 tk5u - apollo, 40-200-tk5u

Apollo valves 200 tk5u - apollo, 40-200-tk5u

$550.00
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Watts double check backflow - watts,

Watts double check backflow - watts,

$639.99
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Zurn wilkins 38ufx38f 700xl - wilkins, 38ufx38f-700xl

Zurn wilkins 38ufx38f 700xl - wilkins, 38ufx38f-700xl

$44.88
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Zurn wilkins double check - double,

Zurn wilkins double check - double,

$189.99
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Threaded backflow - threaded, (ips)

Threaded backflow - threaded, (ips)

$34.27
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Zurn wilkins in 350xl - wilkins,

Zurn wilkins in 350xl - wilkins,

$199.00
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Zurn wilkins 350 - wilkins, 1-350

Zurn wilkins 350 - wilkins, 1-350

$209.99
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Genuine watts 9d - genuine, m3

Genuine watts 9d - genuine, m3

$86.00
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Watts b911s comb fill - watts,

Watts b911s comb fill - watts,

$140.00
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Check valve with backflow - check,

Check valve with backflow - check,

$32.99
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For pvb backflow - for, 1"

For pvb backflow - for, 1"

$76.09
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350 double check - 3/4",

350 double check - 3/4",

$149.99
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Zurn 950xlt2 wilkins - zurn, 1-1/2"

Zurn 950xlt2 wilkins - zurn, 1-1/2"

$440.00
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📊96 listings · from $8.99 · avg $190.65

Browse 96 backflow valve listings currently in our index. Prices range from $8.99 to $1500, with an average of $190.65. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about backflow valve →

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Everything you need to know about backflow valve

Whether you are looking for a brand-new or second-hand backflow valve, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $8.99, while premium listings can reach $1500 — giving you a wide budget spread to work with. The average price of $190.65 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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