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Old 12-07-2009, 02:11 PM   #16
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Boiler room venting


Should be from just lowering the low limit temp.
Are you sure you didn't bump the high limit and raise it?

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Old 12-07-2009, 04:53 PM   #17
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positive.If the temp was higher then 180 would that cause the pipes to make that banging sound
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Old 12-07-2009, 04:56 PM   #18
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Depends how much higher. And what pressure the system was at.

At a low pressure. the water could start to boiler depending how high over 180 it got.
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Old 12-07-2009, 05:09 PM   #19
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Pressure is 15-18 all the time i look at it. I left it 180-160. Seems to be fine, but my baseboards were always alittle noisy. Sorry but another question, the oil tank has been moved above ground and when they did so(prior owners) the oil line from the tank was 1/2 O.D then went to 3/8 midpoint to the pump. I changed at mid point 1/2 o.d to the pump. Basically its all 1/2 is that OK.Also any clue what BTU this might be, all the labels are worn. The house was build in 90 so it should'nt be that old.

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Old 12-07-2009, 06:07 PM   #20
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The 1/2" is fine.

Just from the looks I can't tell.

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