... .99-006For ModelBUW-SH,2,BUL-SH3,BUW-SH2,DH-6,DH-10,DM-13,DW-24,DW ... -30,LUh3b,LU-DN,LUh-DH,2,3LUh-DS,LUT-DM,2,LUh-2,3,4,5,6,7,LUh ... -3B,LUh-DSMLU,2,NU-DH,2,3,NU-SH,2,3,NUh-SH,2 ... never appears scratch, rough, ablation and so on. (2) With a good flow properties and set to change ... original manufacturer's specification. Any more than a 2 degree variation in the setting can cause arcing, ...