VEVOR
VEVOR Anti-Siphon Frost-Proof Sillcock 12" Push-to-Fit 1/2" x 3/4
A 12-inch frost-proof sillcock with anti-siphon valve and push-to-fit inlet for PEX, CPVC and copper pipe
- TypeOther Appliances
- Frost-proof design prevents pipe freezing and bursting with 12-inch bury depth
- Push-to-fit 1/2" inlet connects PEX, CPVC, copper without tools or welding
- Anti-siphon valve stops backflow contamination protecting the water supply system
- Handwheel control enables easy on/off operation for irrigation and washing tasks
- Cast iron and brass construction weighs 1.52 lbs for durable in-wall installation
Frost-Proof Sillcock for Outdoor Use
This anti-siphon sillcock is designed for exterior wall installation where freezing temperatures threaten pipe integrity. Its 12-inch bury depth places the shut-off valve inside the heated envelope, protecting the supply line from frost. The push-to-fit inlet accepts PEX, copper or CPVC without soldering or special tools, making it practical for both new runs and retrofit repairs. It serves irrigation, vehicle washing and general yard watering but is not rated for potable use.
Sustained Operation in Cold Conditions
The anti-siphon valve breaks vacuum automatically during extended flow, preventing backflow into the supply system even when hoses remain attached for long periods. Brass and cast-iron construction resists corrosion from continuous exposure to soil moisture and seasonal temperature swings. The handwheel operates smoothly after months of disuse, so seasonal start-up does not require excessive force or lubrication. No internal seals are user-serviceable, so the unit is replaced rather than rebuilt when wear appears.
Thermal Protection, Noise and Flow
The 12-inch barrel keeps the valve seat within the wall cavity where ambient heat prevents ice formation during sub-zero spells. Water hammer is minimal because the closure mechanism seats gradually as the handwheel turns. Flow noise at the 3/4-inch hose outlet is typical for a full-bore bibb and does not transmit through the wall cavity. The assembly weighs 1.52 lbs and measures 16.54 by 3.23 by 2.36 inches overall, fitting standard stud bays without structural modification.
Highlights
- Frost-proof design prevents pipe freezing and bursting with 12-inch bury depth
- Push-to-fit 1/2" inlet connects PEX, CPVC, copper without tools or welding
- Anti-siphon valve stops backflow contamination protecting the water supply system
- Handwheel control enables easy on/off operation for irrigation and washing tasks
- Cast iron and brass construction weighs 1.52 lbs for durable in-wall installation
Specifications
| Type | Other Appliances |
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Questions about this item
Does the 12-inch bury depth and anti-siphon valve prevent freezing and backflow during continuous winter use?
The 12-inch bury depth places the valve inside the heated wall cavity, while the anti-siphon valve stops contaminated water from re-entering the supply, giving year-round freeze and backflow protection.
Which pipes and tools are needed to connect the 1/2-inch push-to-fit inlet?
The inlet accepts PEX, copper, or CPVC pipe directly with no soldering, crimping, or glue; the box includes a straight quick connector, a disconnect clip, sealing tape, and three screw rods for mounting.
Will the 3/4-inch NH hose bibb thread onto my existing garden hoses and accessories?
Yes, the outlet uses standard 3/4-inch NH threads, so it fits common garden hoses, spray nozzles, and irrigation timers without adapters.
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