Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Backflow Preventers & Vacuum Breakers

127 results

RELIABILT 3/4-in Brass FHT Vacuum breaker

RELIABILT 

3/4-in Brass FHT Vacuum breaker

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for pricing and availability

4.4
289
Arrowhead Brass Threaded Vacuum breaker

Arrowhead 

Brass Threaded Vacuum breaker

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for pricing and availability

4.4
144
Watts 3/4-in Copper FNPT Reduced pressure backflow preventer

Watts 

3/4-in Copper FNPT Reduced pressure backflow preventer

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for pricing and availability

4.5
111
FEBCO 3/4-in Bronze FNPT Pressure vacuum breaker

FEBCO 

3/4-in Bronze FNPT Pressure vacuum breaker

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for pricing and availability

4.0
12
Watts 1-in Bronze FNPT Anti-siphon vacuum breaker

Watts 

1-in Bronze FNPT Anti-siphon vacuum breaker

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for pricing and availability

4.8
24
Watts 1-in Bronze FNPT Double-check backflow preventer

Watts 

1-in Bronze FNPT Double-check backflow preventer

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for pricing and availability

4.2
9
FEBCO 1-in Bronze FNPT Pressure vacuum breaker

FEBCO 

1-in Bronze FNPT Pressure vacuum breaker

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for pricing and availability

4.4
31
ProPlumber 3/4-in Brass FNPT Vacuum breaker

ProPlumber 

3/4-in Brass FNPT Vacuum breaker

Find My Store

for pricing and availability

4.4
37