Watts 1 in. Backflow Preventer


Out of stock

SKU: 100158311 Category:

Watts 1 in. Backflow Preventer

  • Bronze body for durability
  • Helps prevent the backflow of contaminated water into your potable water supply
  • NPT threads with a quarter turn ball valve for ease of use
  • Maximum working pressure 175 psi
  • For non-potable service applications such as irrigation, fireline and industrial processing
  • Heavy-duty bronze body is resistant to corrosion
  • Anti-siphon feature prevents contamination of water supply
  • Quarter turn function enables swift ON/OFF operation

This double check valve assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to back siphonage and or backpressure. It’s compact modular design means easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance. This assembly consists of a bronze body construction, NPT end connections, quarter turn ball valve shutoffs, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats.

  • Application: Potable Water
  • Compatible Pipe Material: Multi-Purpose
  • Connection: FIP x FIP
  • Features: Antisiphon,Includes Check,Quarter Turn,Threaded
  • Indoor/Outdoor: Indoor,Outdoor
  • Material: Bronze
  • Maximum Pressure (psi): 175 PSI
  • Maximum Working Temperature (F): 180
  • Pack Size: 1
  • Product Weight (lb.): 8.9 lb
  • Returnable: 90-Day
  • Valve Type: Backflow Prevention
  • Manufacturer Warranty: 1 year
  • Inlet Diameter (In.): 1
  • Outlet Diameter (In.): 1
  • Product Depth (in.): 15.1 in
  • Product Height (in.): 5.4 in
  • Product Length (in.): 7.3 in
  • Product Width (in.): 7.3 in
Weight8 lbs





1 007M1 QT


1.How is the delivery time calculated?

Thank you for visiting the MEDIALMARKET.COM ; Please keep in mind that when you make a purchase on our website, we will process and package your order between 3 – 5 Business Days (Handling Time) and another 5 – 7 Business Days to delivery and fulfill the order to your provided address (Shipment).

  • Handling: 3 – 5 Business Days
  • Shipment: 5 – 7 Business Days

2.Shipping your Orders to you

We are currently only shipping to the contiguous 48 United States.

Our orders are shipped via Fedex/UPS/USPS Logistics; we will send you a notification email when your order is shipped. 

Please check your email’s Spam folder, or create a ticket at our support portal here we will respond to you and update you on the status of your order.

Click here for our full shipping policy.

We want you to be completely satisfied with your purchase. If for any reason you are not happy with your order, we will be happy to provide a refund for the following reasons:

  1. Defective or Damaged Item: If your item arrives defective or damaged, we will provide a full refund, including any shipping costs, upon receipt of the returned item.
  2. Item Delivered Does Not Match Agreed Specification: If the item delivered does not match the agreed specification (e.g. wrong size, color, etc.), we will provide a full refund, including any shipping costs, upon receipt of the returned item.
  3. Materially Different from Description Provided: If the item delivered is materially different from the description provided in the listing of the item, we will provide a full refund, including any shipping costs, upon receipt of the returned item.

Please note that in order to be eligible for a refund, the item must be returned in its original condition, with all tags and packaging intact, within 14 days of receipt. We reserve the right to refuse any refunds if we determine that the item has been used or damaged by the customer.

If you need to initiate a return, please submit a ticket here to obtain a return authorization and shipping instructions.

Click here to our full return&refund policy


Your payment information is processed securely via Paypal. We do not store credit card details nor have access to your credit card information.