388001 3/4 In Bronze Anti-Siphon Pressure Vacuum Breaker Backflow Preventer — Professional-Grade Backflow Valves
This 3/4 inch anti-siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle shutoff, and test cocks for winterization draining. It is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. The maximum pressure is 150 psi (10.3 bar) and the minimum pressure is 15 psi (55kPa).
The 0388001 from Watts Regulator is a contractor-trusted choice for residential and commercial landscape systems. Sourced through authorized U.S. distribution and backed by the full manufacturer warranty, it delivers the reliability professionals specify on the job.
Key Specifications & Features
- Model / Part Number: 0388001
- Brand: Watts Regulator
- Size: 4
- Condition: Genuine factory-new
Frequently Asked Questions
Is this backflow preventer lead-free?
Yes — it is certified lead-free and compliant with U.S. Safe Drinking Water Act requirements for potable water connections.
Does it come with a testing certificate?
It ships factory-tested. Local code typically requires certified field testing after installation — check your municipality’s cross-connection control requirements.
Is this a genuine factory-new product?
Yes — Big Irrigation Supply sells only genuine, factory-new product sourced through authorized distribution, never gray-market or refurbished.
How quickly does this ship?
In-stock items ship fast from our U.S. distribution network, typically arriving within 3–7 business days.
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