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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 - lead-free,

Watts lead free brass - lead-free,

$39.69
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Watts b911s comb fill - watts,

Watts b911s comb fill - watts,

$174.99
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975xl2 reduced - 3/4",

975xl2 reduced - 3/4",

$300.00
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Watts 2000wp cast iron - watts,

Watts 2000wp cast iron - watts,

$399.00
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350 double check - double,

350 double check - double,

$138.00
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Watts 9d m3 - , 9d-m3

Watts 9d m3 - , 9d-m3

$49.87
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Watts bronze double - 3/4", check

Watts bronze double - 3/4", check

$148.49
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Febco 765 4 - qt, 3/4

Febco 765 4 - qt, 3/4

$74.99
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Backflow preventer valve 4 - backflow, valve,4

Backflow preventer valve 4 - backflow, valve,4

$79.86
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720a pressure vacuum - 720a,

720a pressure vacuum - 720a,

$65.40
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Watts bronze quarter - bronze,

Watts bronze quarter - bronze,

$197.88
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Apollo valves 200 tk5u - apollo,

Apollo valves 200 tk5u - apollo,

$650.00
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Apollo conbraco double - apollo,

Apollo conbraco double - apollo,

$199.99
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Zurn wilkins reduced - zurn, 1/2”

Zurn wilkins reduced - zurn, 1/2”

$250.00
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Nexus valve nx2xlck in - 2,

Nexus valve nx2xlck in - 2,

$145.00
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Watts bronze double - in.,

Watts bronze double - in.,

$189.99
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Lead free backflow preventer - lead-free,

Lead free backflow preventer - lead-free,

$42.74
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Cash acme backflow - cash, preventer

Cash acme backflow - cash, preventer

$24.68
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Zurn wilkins 950xlt2 double - zurn,

Zurn wilkins 950xlt2 double - zurn,

$194.97
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720a pressure vacuum - 720a,

720a pressure vacuum - 720a,

$64.99
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Pvc white plastic solvent - white,

Pvc white plastic solvent - white,

$23.99
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For pvb backflow preventer - backflow,

For pvb backflow preventer - backflow,

$73.90
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Check valve with - check,

Check valve with - check,

$32.99
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Watts reduced pressure - reduced,

Watts reduced pressure - reduced,

$250.00
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For watts 0061888 3 - 0061888, 3/4

For watts 0061888 3 - 0061888, 3/4

$69.49
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Inch pvc backwater valve - 3,

Inch pvc backwater valve - 3,

$28.56
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Pressure vacuum breaker - pressure,

Pressure vacuum breaker - pressure,

$60.00
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For watts 0061888 3 4 - for, 9d-m2

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

$69.50
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350 double check - 3/4",

350 double check - 3/4",

$149.99
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Zurn wilkins 38ufx38f 700xl - zurn, 38ufx38f-700xl

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

$29.99
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Watts lf007m1 fz rpz - lf007m1-qt-fz,

Watts lf007m1 fz rpz - lf007m1-qt-fz,

$286.00
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Febco 953 double - in, check

Febco 953 double - in, check

$145.00
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Watts double check valve - 1, in.

Watts double check valve - 1, in.

$164.88
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New watts 007m1 double - new,

New watts 007m1 double - new,

$139.95
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Watts bronze double - watts,

Watts bronze double - watts,

$194.99
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Oatey pvc backwater - oatey, in.

Oatey pvc backwater - oatey, in.

$34.19
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Backflow preventer dual - 3/4'',

Backflow preventer dual - 3/4'',

$69.79
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Inch white pvc backwater - white,

Inch white pvc backwater - white,

$33.98
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Zurn wilkins 350 double - zurn, 1”

Zurn wilkins 350 double - zurn, 1”

$170.00
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009m3 fs rpz backflow - rpz,

009m3 fs rpz backflow - rpz,

$426.99
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Pvc backwater valve - pvc,

Pvc backwater valve - pvc,

$46.99
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Zurn wilkins double check - double,

Zurn wilkins double check - double,

$128.00
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Zurn wilkins 975xld pressure - wilkins,

Zurn wilkins 975xld pressure - wilkins,

$300.00
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Inch one way spring - spring, check

Inch one way spring - spring, check

$14.57
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Watts fpt lead free dual - lead,

Watts fpt lead free dual - lead,

$45.00
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Febco bronze pressure - febco, 3/4”bronze

Febco bronze pressure - febco, 3/4”bronze

$88.99
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Tondiamo backwater valve - 4,

Tondiamo backwater valve - 4,

$49.45
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Febco 1in bronze pressure - (2),

Febco 1in bronze pressure - (2),

$189.99
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Zurn wilkins 760 inch - zurn,

Zurn wilkins 760 inch - zurn,

$39.95
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350 double check - 34-350,

350 double check - 34-350,

$87.77
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For pvb backflow preventer - pvb,

For pvb backflow preventer - pvb,

$73.09
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Febco 765 pvb 4 - febco,

Febco 765 pvb 4 - febco,

$88.88
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Pcs pvc inline - pcs, check

Pcs pvc inline - pcs, check

$19.43
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Watts lf007m1 fz rpz - lf007m1-qt-fz,

Watts lf007m1 fz rpz - lf007m1-qt-fz,

$298.75
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Watts bronze quarter - 1,

Watts bronze quarter - 1,

$153.99
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Watts double check valve - watts,

Watts double check valve - watts,

$153.00
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Brass foot valve - valve, check

Brass foot valve - valve, check

$13.10
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Zurn wilkins in 350xl - zurn,

Zurn wilkins in 350xl - zurn,

$199.00
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For wilkins zurn - for, backflow

For wilkins zurn - for, backflow

$37.99
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For watts 4 inch - 9d-m2, 3/4

For watts 4 inch - 9d-m2, 3/4

$69.49
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Zurn wilkins 950xlt2 - 950xlt2, 2"

Zurn wilkins 950xlt2 - 950xlt2, 2"

$714.84
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720a pressure vacuum - 720a,

720a pressure vacuum - 720a,

$83.40
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Backwater valve drain - ,

Backwater valve drain - ,

$60.63
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Inch pvc backwater - 2,

Inch pvc backwater - 2,

$30.74
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Backflow preventer dual - 9d-m2,

Backflow preventer dual - 9d-m2,

$60.99
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M3 backflow preventer - 9d-m3,

M3 backflow preventer - 9d-m3,

$26.95
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009m3 total relief valve - 009m3,

009m3 total relief valve - 009m3,

$118.99
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Febco 1313 860 reduced - 1313,

Febco 1313 860 reduced - 1313,

$269.95
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Inch ips backflow - inch,

Inch ips backflow - inch,

$22.66
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Foot valve check with - valve,

Foot valve check with - valve,

$11.70
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Backflow preventer - in.,

Backflow preventer - in.,

$35.90
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Inch m3 backflow - 1/2,

Inch m3 backflow - 1/2,

$47.77
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Complete repair kit - complete,

Complete repair kit - complete,

$20.19
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Watts bronze double check - double,

Watts bronze double check - double,

$184.95
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Zurn wilkins 950xlt2 - in.,

Zurn wilkins 950xlt2 - in.,

$266.99
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Zurn wilkins 38ufx38f - wilkins, 38ufx38f-700xl

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

$47.38
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Zurn wilkins 950xlt2 double - zurn,

Zurn wilkins 950xlt2 double - zurn,

$173.21
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Inch foot valve - inch,

Inch foot valve - inch,

$30.67
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Yahe hvac 920d inlet - yahe,

Yahe hvac 920d inlet - yahe,

$20.00
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Watts bronze double - watts, 3/4

Watts bronze double - watts, 3/4

$158.88
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Febco bronze pressure - febco, 3/4

Febco bronze pressure - febco, 3/4

$84.99
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Zurn wilkins 975xl2 4 - zurn,

Zurn wilkins 975xl2 4 - zurn,

$500.00
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Zurn wilkins double check - zurn,

Zurn wilkins double check - zurn,

$375.00
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Watts 391012 0391012 lead - ,, 2"

Watts 391012 0391012 lead - ,, 2"

$2995.00
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Zurn wilkins 2 950xlt2 - zurn, 2-950xlt2

Zurn wilkins 2 950xlt2 - zurn, 2-950xlt2

$850.00
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350 double check backflow - 1-350,

350 double check backflow - 1-350,

$99.00
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Brass dual check - brass, valve

Brass dual check - brass, valve

$35.00
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Watts bronze quarter - watts,

Watts bronze quarter - watts,

$210.00
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Brass dual check backflow - 1/2",

Brass dual check backflow - 1/2",

$34.35
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New 375a zurn - zurn, wilkins

New 375a zurn - zurn, wilkins

$3779.99
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Watts bronze reduced - watts,

Watts bronze reduced - watts,

$299.99
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Inch white pvc - pvc, backwater

Inch white pvc - pvc, backwater

$33.48
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Zurn wilkins 975xl 4 - zurn,

Zurn wilkins 975xl 4 - zurn,

$349.99
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720a pressure vacuum - 3/4",

720a pressure vacuum - 3/4",

$63.99
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Watts lf009m2 female rpz - watts, lf009m2-qt

Watts lf009m2 female rpz - watts, lf009m2-qt

$269.99
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009m3 fs rpz backflow - rpz,

009m3 fs rpz backflow - rpz,

$426.99
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📊96 listings · from $11.7 · avg $216.42

Browse 96 backflow valve listings currently in our index. Prices range from $11.7 to $3779.99, with an average of $216.42. 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 $11.7, while premium listings can reach $3779.99 — giving you a wide budget spread to work with. The average price of $216.42 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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