1/4" Watts LF288A Atmospheric Vacuum Breaker

Item Number: 0792036
1 1
$220.13
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts
  • Size: 1/4 inch
  • Weight: 19.5 lb
  • Body Material: Lead Free* Brass
  • Disc Material: Silicone
  • Maximum Operating Pressure: 125 PSI
  • Maximum Operating Temperature: 180°F (82°C)
  • Connection Type: Female NPT
  • Prevents backsiphonage for potable water
  • Full size orifice for maximum flow

Description

The Watts 1/4 inch LF288A Anti-Siphon Vacuum Breaker is a Lead Free* brass device designed to prevent the backflow of contaminated water into potable water supplies due to backsiphonage. Featuring a durable silicone disc and full-size orifice, it ensures maximum flow capacity and tight seating for hot or cold water applications up to 180°F and 125 PSI. This breaker is ideal for low-flow, non-continuous health hazard installations like laboratory equipment. It complies with ASSE 1001, ANSI A112.1.1, CSA B64, UPC, and NSF/ANSI 372 standards.

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Connections

  • The 1/4 inch Watts LF288A Anti-Siphon Vacuum Breaker features female NPT (National Pipe Taper) threaded connections on both the inlet and outlet.
  • The female NPT inlet connects to a 1/4 inch male NPT thread.
  • The female NPT outlet connects to a 1/4 inch male NPT thread.

Installation Guidance

  • This atmospheric vacuum breaker must be installed at least 6 inches (152mm) above the highest point on the downstream piping to function correctly.
  • Ensure there are no shutoff valves located downstream of the vacuum breaker.
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Additional Details

The Watts Series LF288A Anti-Siphon Vacuum Breaker is engineered to prevent backsiphonage of contaminated water into a potable water supply. This 1/4 inch model, featuring a chrome hood, is ideal for low flow, non-continuous hot or cold water health hazard applications, such as on laboratory equipment.

Features

  • Lead Free* brass body construction.
  • Full size orifice ensures pipe size capacity and maximum flow with minimal pressure loss.
  • Lightweight disc assembly prevents spilling under all rates of flow.
  • Durable silicone disc provides high heat and water hammer shock resistance and assures tight seating with the lightest contact.
  • Designed for hot or cold water service up to 180°F (82°C).

This device is not to be used under continuous pressure or where a backpressure condition may develop. For continuous pressure applications, refer to Watts Series LF800 pressure type vacuum breakers.

Specifications

General

  • Body Material: Lead Free* Brass
  • Disc Material: Silicone
  • Inlet/Outlet Connection: Female NPT
  • Maximum Operating Pressure: 125 PSI (8.6 bar)
  • Maximum Operating Temperature: 180°F (82°C)
  • Sizes Available in Series: 1/4 inch - 3 inch
  • Product Size: 1/4 inch

Certificates & Approvals

  • ASSE Standard 1001
  • ANSI A112.1.1
  • CSA B64
  • UPC
  • NSF/ANSI 372

FAQs

What is the primary function of the Watts LF288A Anti-Siphon Vacuum Breaker?

Its primary function is to prevent backsiphonage, which is the reverse flow of non-potable or contaminated water into a potable water supply system.

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

The body is made from Lead Free* brass, and it features a durable, chemical-resistant silicone disc along with a chrome hood.

Can this device be used in continuous pressure applications?

No, the Watts LF288A is specifically designed for non-continuous pressure applications and should not be subjected to continuous pressure for more than 12 hours as per ASSE Std. 1001.

What is the maximum temperature and pressure it can handle?

It can handle a maximum operating temperature of 180°F (82°C) and a maximum working pressure of 125 PSI (8.6 bar).

What type of connections does the 1/4" LF288A have?

This 1/4 inch model features female NPT (National Pipe Taper) threaded connections for both the inlet and outlet.