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Old 02-04-2007, 07:24 PM   #1
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Boiler Heating not going above 62 degrees


I have a two zone hot water boiler system and the house is at 62 degrees in both zones even though thermostats are set to 70. The manual says the high temp cut out is set for 200 degrees but it kicks out at 165. Also says it can be turned up to 220 if not keeping up with heat. What do I turn up to try?

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Old 02-04-2007, 08:55 PM   #2
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Boiler Heating not going above 62 degrees


Hi tvlfleming

Don't adjust your high limit past 200 deg. You do not want steam inside your hydronic system. Locate your operating control on the boiler and turn it up to 170 or 175, this should eliviate your problem.

Good luck
Rusty

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Old 02-04-2007, 09:02 PM   #3
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Boiler Heating not going above 62 degrees


I thank you for the suggestion. I just went to the website for Crown and found the control box. I just checked mine and it was at 180 so i took it up to 200. Im just north of Buffalo and right now we have about 30 mph winds and temp is 1 degree so I'll let it run and see how it does. After severe temp and wind changes I know now how to lower it back down.
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Old 02-04-2007, 09:05 PM   #4
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Boiler Heating not going above 62 degrees


Hi tvfleming

Good deal, just remember not to go above 200. Steam in a hydronic system is not a good thing. Have a safe and happy winter.

Rusty
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Old 02-04-2007, 09:21 PM   #5
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Boiler Heating not going above 62 degrees


Looking good Rusty. It shut down at about 195 - 200. Circulator kept running. House is up to about 65 and climbing. Thanks again. Tom
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Old 02-05-2007, 07:57 AM   #6
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Boiler Heating not going above 62 degrees


Is the boiler low on water?
What is the psi reading?
How much insulation do you have in the attic? (inches)
Is there isulation in the side walls?
Are the windows single pane windows?
Are the windows drafty?
How many square feet is the house?
BTU's of the boiler?
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Old 02-06-2007, 07:50 PM   #7
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Boiler Heating not going above 62 degrees


Boiler all set. I put up plastic window kits for draftand changed door sweeps. Raised boiler temp to 200 from 180. I guess it couldnt handle -1 temp and -30 wind chill with all the drafts. Thanks for asking though.
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Old 02-07-2007, 12:36 PM   #8
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Boiler Heating not going above 62 degrees


Add more insulation in the attic if there is not sufficient amounts there.
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Old 02-07-2007, 01:34 PM   #9
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Boiler Heating not going above 62 degrees


I been wanting to go up there and check it out but first have to make an access to the attic. Home wasnt built with one. Had a problem with bees couple years ago and hate to see "WHO'S" up there.
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Old 02-07-2007, 03:01 PM   #10
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Boiler Heating not going above 62 degrees


Do you get large icicles on the gutters?
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Old 02-07-2007, 03:20 PM   #11
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Boiler Heating not going above 62 degrees


yes I did and do but not melting off the snow at all.
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Old 02-07-2007, 03:29 PM   #12
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Boiler Heating not going above 62 degrees


Usually large icicles are from heat escaping threw the attic and more insulation would help.

Unless you need more roof venting.

Are there gable vents that you could either look into or remove and get a better look inside the attic?

Can you cut an access hole in a closet to look in the attic?
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Old 02-07-2007, 03:52 PM   #13
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Boiler Heating not going above 62 degrees


I'm going to install the drop down ladder in spare bedroom. I had roof put on 2 yrs ago and had ridge vent installed the whole length of the house. I also opened soffit before roof was installed and vented every other rafter, originally only had three vents the whole 45 feet of soffit.

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