2" Watts LF288AM2 Atmospheric Vacuum Breaker
Item Number: 0792043
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$1,446.75
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Brand - Watts
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- Size: 2 inch
- Weight: 29.4 lb
- Body Material: Lead Free Brass
- Disc Material: Chemical-Resistant Silicone
- Maximum Operating Temperature: 180°F (82°C)
- Maximum Working Pressure: 125 PSI
- Connection Type: Female NPT Inlet and Outlet
- Designed for non-continuous pressure applications
- ASSE Standard 1001 Approved
Description
Description
The Watts LF288AM2 is a 2-inch Lead Free anti-siphon vacuum breaker designed to prevent back-siphonage of contaminated water into a potable water supply. This device features a durable brass body, a chemical-resistant silicone seat disc, and a full-size orifice for maximum flow and pipe size capacity. It is suitable for low-flow, non-continuous hot or cold water applications up to 180°F (82°C) and 125 PSI, commonly found in laboratory settings. Approved by ASSE Standard 1001, ANSI A112.1.1, and CSA B64, it ensures reliable backflow prevention.
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Connections
- The 2 inch LF288AM2 Atmospheric Vacuum Breaker features Female NPT threads on both its inlet and outlet connections.
- It is designed to connect directly to 2 inch Male NPT pipe threads.

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Additional Details
The 2" Watts LF288AM2 Atmospheric Vacuum Breaker is designed to prevent the reverse flow of polluted water into a potable water supply due to backsiphonage. It features a full-size orifice to ensure pipe size capacity and maximum flow, making it ideal for low-flow, non-continuous hot or cold water health hazard installations, such as those found on laboratory equipment.
Construction & Design
- Features Lead Free* brass body construction for compliance with current regulations.
- Includes a chemical-resistant silicone seat disc that offers high heat and water hammer shock resistance.
- Designed with an atmospheric vent to prevent spilling under all rates of flow, ensuring tight seating even with minimal contact.
- A lightweight disc float assembly prevents spilling and ensures efficient operation.
Specifications
- Product Type: Anti-Siphon Vacuum Breaker
- Model: LF288AM2
- Size: 2 inch
- Body Material: Lead Free Brass
- Disc Material: Silicone
- Maximum Operating Temperature: 180°F (82°C)
- Maximum Working Pressure: 125 PSI (8.6 Bar)
- Connection Type: Female NPT Inlet and Outlet
Certificates & Approvals
- ASSE Standard 1001
- ANSI A112.1.1
- CSA B64
- cUPC Certified
FAQs
What is the primary purpose of the Watts LF288AM2 vacuum breaker?
Its primary purpose is to prevent backsiphonage, which is the reverse flow of polluted or contaminated water, from entering and mixing with a potable (drinkable) water supply.
What types of connections does this vacuum breaker have?
The 2" Watts LF288AM2 features female NPT (National Pipe Taper) threads on both its inlet and outlet, designed for connection to male NPT pipe threads.
What is the maximum operating temperature and pressure for this device?
This anti-siphon vacuum breaker can handle hot or cold water up to a maximum operating temperature of 180°F (82°C) and a maximum working pressure of 125 PSI.
Can this vacuum breaker be used under continuous pressure?
No, this device is specifically designed for non-continuous pressure applications. It should not be subjected to continuous pressure for more than twelve hours, as per ASSE Std. 1001.
What material is the body and disc made of?
The body is constructed from Lead Free brass, and it features a chemical-resistant silicone seat disc, which provides durability and resistance to high heat and water hammer shock.