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[pwdiver]

What would be the best temp setting for summer time operation since i use it to keep my hot water hot during the summer month's. I checked boiler last night it was 153 degree's with a setpoint of 160 the whole inside (walls ceiling)where almost dripping the old baked on creosote that had been on it. I cleand some of the stuff off of the side's it came off almost to the metal in place's.

[muffin]

What would be the best temp setting for summer time operation since i use it to keep my hot water hot during the summer month's. I checked boiler last night it was 153 degree's with a setpoint of 160 the whole inside (walls ceiling)where almost dripping the old baked on creosote that had been on it. I cleand some of the stuff off of the side's it came off almost to the metal in place's.

Mine requires a thermostatic valvue, for the warrenty, which is set to loop the water back at 150F so the min you can ever get is 150F.  This is to keep the moisture out of the fire box.  Sounds like you have this happening maybe.  That being said, you need something above that temp as your low to get any flow.  150 is where it is loopong back almost all, or all of the water.  Probably something like 160F min.  Mine has a 10 degree differential so I would probably need at least 175F or I would keep hitting the low limit.  Seems like the default 185F is pretty much right on for the system to operate efficienctly.

[dwneast77]

I agree with Muffin.  I think you want to keep a higher set point, like 180 or 185.  This helps the boiler burn efficiently by eliminating condensation in the firebox, which in turn will also help to eliminate the possibility of corrosion of the firebox.  The prolonged condensation could saturate your ash/coal bed eventually drowning out the fire, not the mention the steam it would cause.