Specifically, Hansen H5600A, H5601, H5602, H5600R, H5602R, and H5632R valves with serial numbers 02B11 through 04B13 are susceptible, regardless of pressure setting.
If your valves have any of the model and serial numbers noted above, contact your service provider, contractor or company from which you have purchased these valves. If you have distributed the above-referenced valves to other parties, notify those parties promptly so that they can take the steps outlined in this announcement.
This recall does not apply to H5613, H5604, H5633R, H5634R and EZ-SRV relief valves.
Publication date: 7/15/2013