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Yunziling RV Vacuum Breaker Check Valve, Replace Leaking Vacuum Breaker on Black Tank Check Valve for RV Camper Trailer Flusher, 571-VAC-CHK-A Brass Breaker to Improve Freshwater

Brand: Yunziling
  • RV VACUUM BREAKER CHECK VALVE: Suitable for B&B 571 check valves which are part of a black water tank flushing system and are installed between the fresh water inlet and the tank flusher. The vacuum breaker can help black tank water for mixing with grey water to ensure clean and healthy water
  • UPGRADED CONSTRUCTION: This 571-VAC-CHK-A RV Vacuum Breaker Check Valve is made of brass and can withstand 8-125 PSI of water pressure. Less susceptible to freezing and cracking in cold climates, better performance and longer service life than plastic
  • EASY INSTALLATION: Can simply be fitted to a caravan's black water tank flushing system and must be installed 6” above the highest point of any item connected to the waste water tank where the flusher is fitted. If you are unsure how to install the check valve, it is recommended to ask a professional plumber
  • VERSATILE APPLICATION: This vacuum breaker check valve is suitable for all models of caravans, campers, preventing the contents of the black water tank from siphoning back into the RV freshwater system, travel trailers and motels and is a reliable alternative to ruptured or leaking check valves
  • RELIABLE AND EFFICIENT: When your RV check valve leaks while flushing your black water tank, you can simply replace the leaking RV vacuum breaker check valve. Say goodbye to leaks in your water. Making your caravan life more convenient and comfortable
Brand: Yunziling
Manufacturer: Yunziling
Part Number: Q8279C4
Material Type: Brass
Isin: IGS577AJHMYH

$45.39

  • Free shipping in US
  • Shipping: $6.5 Standard Shipping (5-10 Business Days)
  • Arrives:

  • Free 30-Day returns

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Sold by , Fulfilled by IBSPOT
Ships from USA

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Yunziling RV Vacuum Breaker Check Valve, Replace Leaking Vacuum Breaker on Black Tank Check Valve for RV Camper Trailer Flusher, 571-VAC-CHK-A Brass Breaker to Improve Freshwater

Yunziling RV Vacuum Breaker Check Valve, Replace Leaking Vacuum Breaker on Bl...

$45.39

RV Vacuum Breaker Check Valve is an important component of the RV water circulation system, primarily used to block waste from the Blackwater Tank from siphoning back into the RV Freshwater System. The core function is to block the reverse flow of liquids or gases by mechanical design.

 

Quality Assurance: We are confident in the quality of our products and are committed to providing excellent after-sales service. If you encounter any issues during use, please contact us, and we will do our best to assist you.

 

Package List: Includes a brass RV Vacuum Breaker Check Valve.

 

Notice:

Only be used on one fixture at a time.

Make sure to install RV check valve absolutely vertical.

Don’t use the RV black tank valve more than 12 hours continuously.

Installed 6" above the highest point fixture connected to your water system where the flusher is installed.

If you are not sure how to install this check valve, it is recommended to ask a professional RV mechanic or plumber.

 

Processing Time

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Shipping Method Estimated Delivery Cost
Free Shipping (US) 5–10 business days Free, available on eligible items
Standard Shipping (US to US by Item) 5–10 business days $6.50 for the first item, $2.00 each additional
Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.50 for the first item, $2.00 each additional

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We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


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If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

Contact: support@ibspot.com


Item Not Received

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Email: support@ibspot.com

We’re always happy to help.

Please read our policy carefully before making a purchase.
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Order Cancellation Policy

Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

How to Request a Cancellation

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Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


Return Policy

We accept returns for most items within 30 days of delivery for a full refund.

To be eligible for a return:

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Non-Returnable Items

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  • Opened CDs, DVDs, software, or vinyl records
  • Items not in their original condition, damaged, or missing parts not due to our error
  • Items returned more than 30 days after delivery

How to Return an Item

To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.


Shipping Cost for Returns

Please contact us before returning any item.
We will provide a free return shipping label.

If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.


Refund Processing

Once your return is received and inspected:

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  • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

Please allow:

  • 5–7 business days for the return to reach our Returns Center.
  • An additional 3–10 business days for your bank to post the refund to your account.

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Product Claims

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If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


Exchanges

We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


Return Address

IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States


Customer Support

Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

Email: support@ibspot.com
Contact Form: Contact Us page

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