Regin Heating Supplies Miscellaneous (Page 10)
REGI REGIQ720 O-RING (IMPERIAL) 1 1/16" X 1/8" (26.58MM X 3.53MM) (10)
Part No: 4271148 MPN: REGQ720
REGI REGIQ726 O-RING (IMPERIAL) 1 7/16" X 1/8" (36.10MM X 3.53MM) (10)
Part No: 4271160 MPN: REGQ726