tempestplus.com...3 lop, 310Q, 310R, 335, 340, 402c, 421 c PA-31, PA-31-350 Part Name Check Valve...
4
tempestplus.com...3 lop, 310Q, 310R, 335, 340, 402c, 421 c PA-31, PA-31-350 Part Name Check Valve Check Valve Check Valve Part Number AAIH37-l AA AAIH37-4 Approved Replacement for