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Backflow valve

4

Backflow valve for sale on largest auction and classifieds sites

Home / / Backflow valve refurbished & used for sale | For Sale USA
Watts lead free brass - watts,

Watts lead free brass - watts,

$39.69
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Watts b911s comb fill - watts,

Watts b911s comb fill - watts,

$174.99
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350 double check backflow - 1-350,

350 double check backflow - 1-350,

$129.99
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975xl2 reduced - 34-975xl2, 3/4"

975xl2 reduced - 34-975xl2, 3/4"

$300.00
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350 double check - double,

350 double check - double,

$138.00
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Watts backflow preventer - backflow,

Watts backflow preventer - backflow,

$159.95
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Watts double check - check, valve

Watts double check - check, valve

$164.88
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Watts bronze quarter - watts, in.

Watts bronze quarter - watts, in.

$197.88
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Watts lf007m1 inch double - watts, 1

Watts lf007m1 inch double - watts, 1

$188.88
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Watts 2000wp cast iron - watts,

Watts 2000wp cast iron - watts,

$399.00
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Watts 9d m3 - ,

Watts 9d m3 - ,

$49.87
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Watts lfusg in manual - 3/8,

Watts lfusg in manual - 3/8,

$75.00
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Zurn wilkins 950xlt2 - wilkins,

Zurn wilkins 950xlt2 - wilkins,

$229.99
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Zurn wilkins 350xl double - zurn,

Zurn wilkins 350xl double - zurn,

$250.00
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Zurn wilkins 950xlt2 - wilkins,

Zurn wilkins 950xlt2 - wilkins,

$225.00
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Watts bronze quarter turn - watts, 1”

Watts bronze quarter turn - watts, 1”

$225.00
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M3 backflow preventer - 1/2",

M3 backflow preventer - 1/2",

$26.95
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Zurn wilkins 112 975xl2 2 - zurn,

Zurn wilkins 112 975xl2 2 - zurn,

$859.00
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Febco bronze pressure - 3/4”bronze,

Febco bronze pressure - 3/4”bronze,

$88.99
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Zurn wilkins double check - wilkins,

Zurn wilkins double check - wilkins,

$199.99
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Zurn 950xl double - in),

Zurn 950xl double - in),

$710.00
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Zurn wilkins 950xlt2 double - wilkins,

Zurn wilkins 950xlt2 double - wilkins,

$194.97
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Backflow preventer valve 4 - preventer, valve,4

Backflow preventer valve 4 - preventer, valve,4

$79.86
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Check valve with backflow - check,

Check valve with backflow - check,

$32.99
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Watts bronze double - 1,

Watts bronze double - 1,

$189.99
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Ames 7015564 cam check - 7015564, #1

Ames 7015564 cam check - 7015564, #1

$250.00
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Zurn wilkins double - double, check

Zurn wilkins double - double, check

$128.00
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Pvc white plastic solvent - white,

Pvc white plastic solvent - white,

$23.99
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Backflow preventer check - backflow, preventer,

Backflow preventer check - backflow, preventer,

$229.95
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Zurn wilkins 350 double - wilkins,

Zurn wilkins 350 double - wilkins,

$170.00
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Wilkins 950xl double - double, check

Wilkins 950xl double - double, check

$700.00
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Zurn wilkins model - , —

Zurn wilkins model - , —

$400.00
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Febco lf825y rpz backflow - 2,

Febco lf825y rpz backflow - 2,

$1689.00
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350 double check - 34-350,

350 double check - 34-350,

$87.77
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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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Lead free backflow - lead-free, preventer

Lead free backflow - lead-free, preventer

$42.74
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720a pressure vacuum - 720a,

720a pressure vacuum - 720a,

$65.40
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Watts bronze reduced - watts,

Watts bronze reduced - watts,

$299.99
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Apollo dc40 double - dc40-1,

Apollo dc40 double - dc40-1,

$185.00
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Watts bronze double - watts,

Watts bronze double - watts,

$299.00
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Pressure vacuum breaker - vacuum,

Pressure vacuum breaker - vacuum,

$60.00
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Inch pvc backwater - 3,

Inch pvc backwater - 3,

$30.60
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Inch white pvc - 2,

Inch white pvc - 2,

$32.17
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For watts 0061888 3 4 - 0061888, 9d-m2

For watts 0061888 3 4 - 0061888, 9d-m2

$69.49
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Zurn wilkins rk34 nr3xl - zurn, rk34-nr3xl

Zurn wilkins rk34 nr3xl - zurn, rk34-nr3xl

$49.99
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350 double check - 3/4",

350 double check - 3/4",

$100.00
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Inch one way spring - one,

Inch one way spring - one,

$14.57
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Cinsda pvc backwater valve - 3",

Cinsda pvc backwater valve - 3",

$40.00
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Mcdonald brass backflow - brass, 3/4"

Mcdonald brass backflow - brass, 3/4"

$20.00
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Foot valve check with - foot,

Foot valve check with - foot,

$11.70
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Watts bronze double - in.,

Watts bronze double - in.,

$194.99
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Npt brass check - 3/4",

Npt brass check - 3/4",

$28.79
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Cash acme backflow preventer - cash,

Cash acme backflow preventer - cash,

$24.68
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Pack brass 4 - 2,

Pack brass 4 - 2,

$15.99
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Inch heavy duty - 1-inch, heavy-duty

Inch heavy duty - 1-inch, heavy-duty

$70.17
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New watts dual - new,

New watts dual - new,

$120.00
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Zurn wilkins 950xlt2 - wilkins,

Zurn wilkins 950xlt2 - wilkins,

$714.84
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Zurn wilkins in 350xl - zurn,

Zurn wilkins in 350xl - zurn,

$199.00
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350 double check backflow - check,

350 double check backflow - check,

$135.00
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Zurn wilkins 975xl 4 - 34-975xl, 3/4"

Zurn wilkins 975xl 4 - 34-975xl, 3/4"

$349.99
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Lawn genie l7010 in - 1,

Lawn genie l7010 in - 1,

$29.85
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720a pressure vacuum - 1",

720a pressure vacuum - 1",

$83.40
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Watts bronze double - watts,

Watts bronze double - watts,

$189.00
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350 double check backflow - double,

350 double check backflow - double,

$95.00
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Brass one way check valve - brass,

Brass one way check valve - brass,

$18.42
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Zurn wilkins 350xl - wilkins, 1

Zurn wilkins 350xl - wilkins, 1

$225.00
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Watts lead free double - watts, check

Watts lead free double - watts, check

$39.95
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New 375a zurn - 3",

New 375a zurn - 3",

$3569.99
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Pcs brass check - check, dn15

Pcs brass check - check, dn15

$25.40
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350 double check - 34-350,

350 double check - 34-350,

$149.99
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720a pressure vacuum - pressure,

720a pressure vacuum - pressure,

$64.99
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Threaded backflow - (ips),

Threaded backflow - (ips),

$35.37
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Mako mk5 digital - mako, 5-valve

Mako mk5 digital - mako, 5-valve

$475.00
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Test cock dust - cock, backflow

Test cock dust - cock, backflow

$10.27
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Zurn wilkins 38ufx38f - wilkins, 38ufx38f-700xl

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

$49.87
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Watts 9dm2 backflow - watts, 3/4

Watts 9dm2 backflow - watts, 3/4

$75.00
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Pvc backwater valve - pvc,

Pvc backwater valve - pvc,

$46.99
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For watts 4 - watts, 9d-m2

For watts 4 - watts, 9d-m2

$69.49
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For febco backflow preventer - febco,

For febco backflow preventer - febco,

$12.99
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Right weigh load - scale, gauge

Right weigh load - scale, gauge

$40.00
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Wilkins 975xl2 in rpz - wilkins, 3/4

Wilkins 975xl2 in rpz - wilkins, 3/4

$399.99
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Zurn wilkins 975xld pressure - zurn,

Zurn wilkins 975xld pressure - zurn,

$300.00
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Brass backflow preventer valve - preventer,

Brass backflow preventer valve - preventer,

$23.99
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For pvb backflow preventer - 1",

For pvb backflow preventer - 1",

$73.90
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350 double check backflow - double,

350 double check backflow - double,

$125.96
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Febco 1313 860 - , reduced

Febco 1313 860 - , reduced

$269.95
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Wilkins valve rpz - wilkins,

Wilkins valve rpz - wilkins,

$900.00
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Backflow preventer dual - 9d-m2,

Backflow preventer dual - 9d-m2,

$60.99
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Backwater valve drain - ,

Backwater valve drain - ,

$60.63
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905 051 check - valve, kit

905 051 check - valve, kit

$13.85
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Zurn wilkins 975xl 4 - zurn, 34-975xl

Zurn wilkins 975xl 4 - zurn, 34-975xl

$369.00
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For pvb backflow - for,

For pvb backflow - for,

$73.09
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Pack inch pvc backwater - 2-pack, 2-inch

Pack inch pvc backwater - 2-pack, 2-inch

$44.61
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Inch pvc backwater valve - inch,

Inch pvc backwater valve - inch,

$36.99
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Zurn wilkins 38ufx38f - zurn, 38ufx38f-700xl

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

$29.99
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Nexus valve nx2xlck - nx2xlck, 2

Nexus valve nx2xlck - nx2xlck, 2

$145.00
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📊96 listings · from $10.27 · avg $213.41

Browse 96 backflow valve listings currently in our index. Prices range from $10.27 to $3569.99, with an average of $213.41. 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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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 $10.27, while premium listings can reach $3569.99 — giving you a wide budget spread to work with. The average price of $213.41 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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