In January I decided to take my draft inducer off and see how my boiler would run. My normal chimney draft with this boiler is around .03 wc. I ran this way for two months before I put the inducer back on. Now it is running at the suggested .06 wc. Wow, what a difference. The boiler gets up to temp much quicker and more importantly the chimney goes NVS (no visible smoke) much, much quicker. I would dare say with out the inducer, the boiler was probably not reaching gassification mode very often. So for those of you that have not got a manometer and tested your draft, you may want to do so. You might be surprised how much better your boiler will perform with the suggested draft for your particular unit...
The practical beauty of induced draft.