... & heating plate 12 months quality warranty from delivery Layer inserts630*560, 560*500, 500*450, 450*400, 400*355, 355*315Optional partsSingle ... insertsWide inserts pipe-to-pipe630*560, 630*500, 630*450, 630*400, 450*355, 450*315Beveled ... inserts pipe-to-fitting630*560, 630*500, 630*450, 630*400, 630*355, 630*315Stub ...