- The silicone rubber sealing float O-ring and seal check disc are resistant to heat, shock, and chemical attack to ensure reliable performance
- The acetal bonnet acts as “freeze plug” to prevent body damage
- The test cocks are positioned for easy testing and winterization
- Internal parts are easy to access and service with no special tools required
- Equipped with female NPT inlet and outlet with quarter turn shutoffs
From the manufacturer
Anti-Siphon Pressure Vacuum Breakers Series 800M4QT
Series 800M4QT is designed to prevent back-siphonage of contaminated water into a potable water supply. The valve is ideally suitable for irrigation systems, industrial process water systems and other continuous pressure piping system applications where the water enters the equipment at or below its flood rim. The disc float and check valve are suitable for temperatures up to 140°F. The resilient sealing float o-ring and seal check disc are silicone rubber which is resistant to heat, shock and chemical attack.
Anti-Siphon Vacuum Breaker Series LF288A
Anti-Siphon Pressure Vacuum Breakers Series LF008PCQT
Series LF008PCQT is designed for indoor point-of-use applications to prevent backsiphonage of contaminated water back into the potable water supply. Separation of the water supply from the air inlet is accom plished by means of a diaphragm seal. This feature protects against any spillage during start-up or operation. The LF008PCQT features Lead Free* construction to comply with Lead Free* installation requirements.
Hose Connection Vacuum Breaker
Series 8 is a line of unique vacuum breakers specially made to permit the attachment of portable hoses to hose thread faucets. Designed to prevent the flow of contaminated water back into the potable water supply, these devices require no plumbing changes, and screw directly onto a sill air compress hookup. Series 8 can be used on a wide variety of installations, such as service sinks, swimming pools, photo developing tanks, laundry tubs, wash racks, dairy barns, marinas and general outside gardening uses.
Series 800M4QT
Series LF288A
Series LF008PCQT
Hose Connection
Vacuum Breakers
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Series LF008PCQT
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Series LF288A
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Series 800M4QT
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Freeze Protection Guide For Series 800M4 and LF800M4
How to purge a PVB Assembly with Pressurized Air
1. Close main shutoff valve.
2. Open upstream drain, test pepcocks and isolation ball valves to depressurize line.
3. Purge with pressurized line.
4. Leave test pepcocks and isolation ball valve handles in 45° angle to drain ball valves and prevent casting damage.
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| 1/2 in Spill-Resistant Anti-Siphon Vacuum Breaker | Febco 765HBV Pressure Vacuum Breaker, 2 Inch | 1 1/4 in Anti-Siphon Pressure Vacuum Breaker | 3/8 in Anti-Siphon Vacuum Breaker | Febco 765CBV Pressure Vacuum Breaker, 1/2 Inch | |
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See Details
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See Details
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See Details
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| Customer Reviews |
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4.7 out of 5 stars
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4.7 out of 5 stars
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| Price | $373.19$373.19 | — | — | $74.99$74.99 | — |
| Size | 0.5 inch | 2 inch | 1.25 inch | 3/8 inch | 0.5 inch |
| Material | Bronze | Bronze | Bronze | Bronze | Bronze |
| Lead Free | ✓ | ✓ | ✓ | ✓ | ✓ |
| Quarter-turn Shutoff | ✓ | ✓ | ✓ | ✓ | |
| Maximum working Pressure (Psi/Bar) | 150/10.5 | 150/10.0 | 125/8.60 | 125/8.60 | 150/10.0 |
| Max. Temperature – °F | 180 | 140 | 180 | 180 | 140 |
| Min. Temperature -°F | 33 | 32 | 33 | 33 | 32 |
| Outlet Connection Type | Female Threaded | Female Threaded | Female Threaded | Female Threaded | Female Threaded |
| Application | Chemical dispenser, Commercial dishwasher, Sterilizers | Laboratory equipment, Cooling towers, Commercial laundry machines, Swimming pools, Chemical planting tanks, Lawn sprinklers. | Chemical dispenser, Commercial dishwasher, Sterilizers | Chemical dispenser, Commercial dishwasher, Sterilizers | Laboratory equipment, Cooling towers, Commercial laundry machines, Swimming pools, Chemical planting tanks, Lawn sprinklers. |