Watts LF288A ¾" Lead‑Free Anti‑Siphon Vacuum Breaker.
Product Overview:
The Watts LF288A is a ¾" anti-siphon vacuum breaker designed to stop contaminated water from reversing into your clean supply. Crafted from lead‑free brass with a chemical‑resistant silicone seat and a polished chrome vent hood, it delivers reliable backflow prevention. Its full‑size orifice ensures smooth flow for hot or cold water applications—perfect for environments like labs or safety showers.
Key Features & Benefits:
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Lead‑Free Construction: Safeguards potable water quality.
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Anti‑Siphon Protection: Efficiently prevents backsiphonage to avoid contamination.
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Full‑Size Orifice: Maintains flow performance, even in low‑pressure setups.
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Durable Silicone Seat: Keeps operations clean with chemical resistance.
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Chrome Vent Hood: Adds corrosion resistance and visual clarity.
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Female NPT Configuration: Easily installs in standard plumbing lines.
Product Specifications:
| Item | Details |
|---|---|
| Type | Vacuum Breaker Backflow Preventer |
| Material | Lead‑free Brass |
| Seat Material | Silicone |
| Connection | ¾" Female NPT Inlet/Outlet |
| Hazard Protection | Health hazard ( ASTM 1024 ) |
| Max Temperature | 180 °F (82 °C) |
| Max Working Pressure | 125 psi (8.6 bar) |
| Operation | Non‑continuous use |
| Application | Laboratory, safety shower, irrigation, washdown |
Installation Tips:
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Install upright or horizontally with the vent hood facing upward.
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Ensure the atmospheric vent remains unobstructed for proper function.
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Flush the line before connecting to avoid debris damaging the seat or internal parts.
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Supports up to 125 psi and 180 °F — do not exceed these ratings.
Frequently Asked Questions:
Q: Does it protect against backpressure as well as backsiphonage?
A: No. This unit is designed specifically for backsiphonage. For backpressure protection, a different type of backflow preventer is required.
Q: Can it be used outdoors or on hot water lines above 180 °F?
A: It is suitable for hot water up to 180 °F. Use of higher temperatures may damage the silicone seat or internal components.
Q: Is this unit replaceable or serviceable?
A: The silicone seat is replaceable, but servicing should be done by a qualified professional to maintain code compliance.
Q: Where is this typically installed?
A: This model is perfect for individual fixtures like eyewash stations, lab sinks, or hose bibs requiring health-hazard protection using low-volume flow.
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