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RV Black Tank Flush Vacuum Breaker Check Valve, 1/2" MPT Anti-Siphon Valve
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 4, 2026 9:24 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
ASIAA-US
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Product Advantage:571-VAC-CHK-A RV Vacuum Breaker Check Valve is designed high-quality materials,Spring with proper stiffness coefficient can bear the nominal pressure of about 8-125 PSI. The core of the ball valve is made of metal,and the rubber wrap on the outer layer can avoid the valve core from rusting and reduce the noise as much as possible.It is installed between clean water and black tank, and effectively helps you solve the leakage problem of RV black tank flush check valve
✓Specifications:Install the new RV Black Tank Anti-Siphon Valve, avoid grey water from flowing back into the RV water purification system from the black tank and reduce the noise when the RV water system works and bid farewell to the humid RV environment. The parameters of this RV Vacuum Breaker Check Valve are as follows: 1. Nominal pressure (PN): 8-125 PSI 2. The inlet/outlet is designed by NPT Male, and the common diameter (DN) is 1/2 inch
✓Easy Installation:Compatible with B&B model 571 check valve,Plug-and-play. Remove your old RV Vacuum Breaker Check Valve,Confirm the installation direction: clean water should Flow in the direction of "FLOW" indicated by the arrow of the valve body, and then connect the check valve to the pipeline Note:Installation position should be about 6 inches higher than the flusher and ensure vertical installation.Before installation, Cut off the water source and empty the residual water in the pipeline
✓Compatible Model:The 571-VAC-CHK-A RV vacuum breaker check valves are compatible with Montana Mountaineer, Grand Design Reflection, Newmar, Coachman Leprechaun, Keystone: Passport/Outback,Forest River and other RV Blackwater cleaning systems. Note:Besides referring to the listed RV, the most important thing is to check whether the nominal diameter of the circuit breaker that your pipes are adapted to is 1/2 inch, which is the premise to ensure good adaptability
✓Excellent Service:We are full of confidence in our RV Vacuum Breaker Check Valve 571-VAC-CHK-A, so you can choose it with confidence. If there are any problems in the whole use process, we will also provide you with a satisfactory solution within 12 hours
⚙️ Specifications
Material
Plastic
Brand
supeiqality
Exterior Finish
Polished
Inlet Connection Size
0.5 inches
Inlet Connection Type
NPT Male
Outlet Connection Type
MNPT
Maximum Operating Pressure
125 psi
Number of Ports
2
Outlet Connection Size
0.5 inches
Unit Count
1 Count
Brand Name
supeiqality
