1 1/4 710A AVB

Item Number: 710F
1 1
$363.74
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • 1 1/4 inch nominal size
  • Weight: 18.1 lb
  • Body Material: Bronze
  • Maximum Working Pressure: 150 PSI
  • Temperature Range: 32°F to 110°F
  • End Connections: Female NPT ANSI/ASME B1.20.1
  • Protects against backsiphonage
  • Approved to ASSE 1001 and B64.1.1 standards
  • Ideal for hose bibbs, irrigation, and lab sinks

Description

The FEBCO Series 710 1 1/4 inch atmospheric vacuum breaker backflow preventer is designed for non-continuous pressure applications, offering positive protection against backsiphonage of impure water into the main supply. This durable unit features a bronze body, lightweight plastic poppets, and resilient rubber discs for reliable closure. It is rated for a maximum working pressure of 150 PSI and a temperature range of 32°F to 110°F. Equipped with female NPT connections, it is ideal for hose bibbs, turf irrigation systems, chemical vats, and laboratory sinks. Approved to ASSE 1001 and B64.1.1 standards.

Help Me Connect

Connections and Installation

  • This atmospheric vacuum breaker features Female NPT inlet and outlet connections, compliant with ANSI/ASME B1.20.1 standards.
  • It must be installed on the discharge side of the last shutoff valve.
  • Ensure the unit is installed with the air inlet in a level position and at a minimum of 6 inches (150mm) above the highest overflow level of the equipment it serves.
  • No back pressure is allowed on the unit from pumps or any other conditions.
  • It is critical that no valve of any type or any shutoff be installed downstream of this atmospheric vacuum breaker.
View full details

Additional Details

The FEBCO Series 710 1 1/4 inch atmospheric vacuum breaker backflow preventer is designed to assure positive protection against backsiphonage of impure water into the main supply, especially in the event of pressure loss causing vacuum conditions.

This vacuum breaker is ideal for use in various applications such as hose bibbs, chemical vats, X-ray tanks, turf irrigation systems, and laboratory sinks.

Features

  • Meets all specifications of ASSE
  • Features a durable bronze body and lightweight plastic poppets with resilient rubber poppet discs for positive closure
  • Designed for cold water applications
  • Simple service procedures with internal parts serviceable in line from the top
  • WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States without consulting local water authority, building, and plumbing codes.

Specifications

  • Nominal Size: 1 1/4 inch
  • Body Material: Bronze
  • Elastomers: Nitrile
  • Poppet Material: Acetal/Polypropylene
  • Maximum Working Pressure: 150 PSI (10.3 bar)
  • Hydrostatic Test Pressure: 150 PSI (10.3 bar)
  • Temperature Range: 32°F to 110°F (0°C to 43°C)
  • End Connections: Female NPT ANSI/ASME B1.20.1

Dimensions (1 1/4 inch)

  • Overall Height (A): 3 7/8 inches (98 mm)
  • Inlet to Outlet Length (D): 4 inches (102 mm)
  • Max Width (C): 2 inches (51 mm)
  • Inlet Depth (B): 1 5/8 inches (41 mm)

Weight (Approximate)

  • Weight: 2.5 lbs (1.1 kgs)

Certificates & Approvals

  • ASSE: 1001
  • B64.1.1: B64.1.1

FAQs

What is the primary function of the FEBCO Series 710 atmospheric vacuum breaker?

Its primary function is to assure positive protection against backsiphonage of impure water into the main supply in situations where pressure loss could cause vacuum conditions.

What applications is this 1 1/4 inch vacuum breaker suitable for?

This vacuum breaker is ideal for multiple cold water applications such as hose bibbs, chemical vats, X-ray tanks, turf irrigation systems, and laboratory sinks.

What are the material specifications of this atmospheric vacuum breaker?

It features a durable bronze body, lightweight plastic poppets made of acetal/polypropylene, and resilient nitrile rubber poppet discs for positive closure.

What are the pressure and temperature limits for the Series 710 model?

The maximum working pressure is 150 PSI (10.3 bar), and it can withstand water temperatures ranging from 32°F to 110°F (0°C to 43°C).

Are there specific installation requirements for this device?

Yes, it must be installed on the discharge side of the last shutoff valve, with the air inlet in a level position, and a minimum of 6 inches (150mm) above the highest point of water. No shutoff valves or back pressure sources are permitted downstream.