3/8" Watts LFN388-C Chrome Atmospheric Vacuum Breaker

Item Number: 0792065
1 1
$375.38
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 3/8 inch
  • Weight: 24.0 lb
  • Body Material: Lead Free* cast copper silicon alloy
  • Finish: Polished Chrome
  • Disc Material: Silicone
  • Maximum Working Pressure: 125 PSI
  • Maximum Temperature: 180°F (82°C)
  • Full size orifice for maximum flow
  • Lightweight disc assembly prevents spilling

Description

The Watts LFN388-C 3/8" Anti-Siphon Vacuum Breaker is a Lead Free* device designed to prevent backsiphonage of contaminated water into potable supplies. It features a durable, polished chrome Lead Free* cast copper silicon alloy body and a chemical-resistant silicone disc. Ideal for low-flow, non-continuous hot or cold water health hazard installations, such as laboratory equipment or bottle washers. It accommodates a maximum working pressure of 125 PSI and temperatures up to 180°F, ensuring reliable performance with a full-size orifice for optimal flow. Item number 0792065.

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Connections

  • This vacuum breaker features bottom inlet and outlet connections.
  • It is designed for use in applications with female NPT inlet and outlet connections.

Compatibility Note

This device is specifically for non-continuous pressure applications. It is not designed or approved for protection against backpressure backflow. For backpressure backflow protection, Watts No. 909/009 Series Reduced Pressure Principle Backflow Preventers are recommended.

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Additional Details

The 3/8" Watts Series LFN388-C Anti-Siphon Vacuum Breaker is designed to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It is ideal for low flow, non-continuous hot or cold water health hazard installations.

Construction & Design

  • Features Lead Free* cast copper silicon alloy body with a polished chrome finish.
  • Equipped with a durable silicone disc float that offers high heat and water hammer shock resistance.
  • The lightweight disc assembly prevents spilling under all rates of flow.
  • A full-size orifice ensures pipe size capacity and maximum flow with minimal pressure loss.

Applications

  • Laboratory equipment
  • Bottle washers
  • Chemical dispensers
  • Dishwashers
  • Photographic tanks
  • Shampoo sinks
  • Soap dispensers

This device is not to be used under continuous pressure. For continuous pressure applications, specify Watts No. 800 Series pressure type vacuum breakers. Vacuum breakers are not designed, tested or approved to protect against backpressure backflow.

Specifications

General

  • Body Material: Lead Free* cast copper silicon alloy
  • Finish: Polished Chrome
  • Disc Material: Silicone
  • Size: 3/8 inch
  • Connections: Bottom Inlet and Outlet

Performance

  • Maximum Working Pressure: 125 PSI (8.6 bar)
  • Maximum Temperature: 180°F (82°C)

Certificates & Approvals

  • ASSE Standard 1001
  • CSA B64.1.1
  • UPC
  • SP (CSA US)

FAQs

What is the primary purpose of the Watts LFN388-C vacuum breaker?

The primary purpose of this anti-siphon vacuum breaker is to prevent the backsiphonage of contaminated water into a potable water supply, protecting the clean water source.

What materials are used in the construction of this vacuum breaker?

It is constructed with a Lead Free* cast copper silicon alloy body, finished in polished chrome, and features a durable, chemical-resistant silicone disc.

What are the maximum operating pressure and temperature ratings?

This device has a maximum working pressure of 125 PSI and can withstand temperatures up to 180°F (82°C).

Is this vacuum breaker suitable for continuous pressure applications?

No, this device is explicitly designed for non-continuous pressure applications. It should not be used where continuous pressure is present.

Does the LFN388-C protect against backpressure backflow?

No, this vacuum breaker is not designed, tested, or approved to protect against backpressure backflow. For such protection, Watts recommends Reduced Pressure Principle Backflow Preventers.