8771 2131-A329 Reversing Valve Assembly. For O-rings only, See 8771T Top O-ring (Black) or 8771B Bottom O-ring (Blue).
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov