Opus can be installed with the following chimneys:

? Super Pro (model SPR or ALT), 6??
? Supervent (model JSC or JM), 6??
? Selkirk (model Ultra Temp or CF Sentinel), 6??
? Security Chimneys

(model Secure Temp ASHT or S-2100), 6??

? Oliver MacLeod (model HT 6000), 6??
? ICC (model Excel 2100-2), 6??
? Simpson Dura-Vent

(model Duratech HT or Duraplus HTC), 6??
? Metal Fab (model Temp Gard, class A), 6??