Show or Hide

Backflow Prevention

LF800M4QT

Lead Free* Anti-Siphon Pressure Vacuum Breakers

Lead Free* Models Available

Size(s):

1/2 to 2 in. (15 to 25mm)

Description:

Series LF800M4QT Lead Free* Anti-Siphon Pressure Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of Lead Free* cast copper silicon alloy construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle or lever handle shutoffs, and test cocks for winterization draining. Series LF800M4QT is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. Maximum Pressure:150psi (10.3 bar), Minimum Pressure: 15psi (55kPa)

Loading Models/UPC Codes...
Loading Models...

To preview and download CAD Drawings for this product, please select a model/size from the list.

Loading Approvals...
Loading warranty information...
Loading data...

Disclaimer: Watts product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

Please Note: Watts literature requires Adobe Acrobat Reader to view.

*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

Got Feedback?