Specifications and Support

Blue Heron’s Bonnets and Poppets have passed the ASSE 1020-2004 section entitled “Pressure Vacuum Breaker Assembly.

To see the testing reports for the 1 inch bonnet and poppet, click here.

To see the testing reports for the 3/4 inch bonnet and poppet, click here.

Blue Heron’s Bonnets and Poppets are manufactured from plastic that meet OSHA Hazard Communication Standard, 29 CRF 1910.1200, non-hazardous material. Our products also meet California Proposition 65 Standards (Safe Drinking Water and Toxic Enforcement Act of 1986), containing no listed substances known to the State of California to cause cancer, birth defects or other reproductive harm, at levels which would require a warning under the statute.


Installation Instructions [Print Version]

1.  Remove old Bonnet and Poppet.

2.  Clean any debris from inside the back flow device.

3.  Check threads on the back flow device, for any damage.

4.  Install Poppet, making sure spring is in place.

5.  Screw Bonnet into Poppet, making sure not to cross-thread unit, also make sure the o-ring is in place.

6.  Use NO pipe dope, or Teflon tape, in the installation of this product.

For the Do-it-Yourselfers:

Freeze Protection Guidelines

Winterize Your Sprinkler System

Activate Your Sprinkler System in the Spring

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