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Old 02-08-2007, 09:32 AM   #16
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Boiler heating sounds....


Is the noise coming from the circulation pump?
Or is the noise coming from under the white cover?

This may be a power vented unit and the noise may be the power vent.

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Old 02-08-2007, 09:54 AM   #17
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Boiler heating sounds....


The noise comes from under the white cover. It is definitely not a 'natural' noise. I can't really desribe the sounds, sometimes it sounds like it is squealing, other times grinding, etc. The unit will kick on, squeal or grind for few minutes or so, they run normally, then squea and grind, run normal, etc, then shutdown.
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Old 02-08-2007, 12:29 PM   #18
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Boiler heating sounds....


From your description is sounds like the power vent blower motor needs to be repaired or replaced.

The power vent motor pushes/blows the exhaust gas out the side of the unit (see silver metal pipe near upper right side) to the outside.

I would call a heating pro and have them look into it.
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Old 02-10-2007, 06:14 PM   #19
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Boiler heating sounds....


Redline, et al.,

I think it was definitely the blower motor. Unfortunately, last night, she laid down to rest for good. It won't even fire up now. Had 2 guys in today to look at it and both didn't think they could even get the part and even if they did, they would just be piecemailing it back together and we could be back in this place next year.

So I think a replacement is in order. One guy said he would rip it all out and install a Embassy Cosmo system, getting rid of the tank in the process. His quote was around 6k. That seemed steep to me but I'm a complete novice to the HVAC. ( I was expecting 4-5kmax) I'm not ammune to paying a fair price for an efficient unit, I just don't want to get ripped off.

I have a couple of more guys coming in on Monday to give some more estimates. I believe a Trane guy and a Weil. Can anyone recommend any particular models and/or different brands? Keep in mind this boiler will need to do heating and domestic hot water and must also fit in the closet with the linked pictures above. Thanks for all your help.
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Old 02-11-2007, 08:53 AM   #20
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Boiler heating sounds....


Get as many estimates as you can. If they want the sale and the job they will do estimate free of charge. To me 6K sounds very steep.
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Old 02-11-2007, 09:09 AM   #21
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Boiler heating sounds....


Thanks fleming. His estimate included eliminating the bottom storage tank and/or installing an on-demand hot water system for the domestic hot water. My question is this though...Is the on demand hot water system for domestic hot water a separate system or is it just part of the gas boiler? I'm not really sure how it all works. I know about tankless hot water heaters and such and always assumed they were separate from the gas boiler but heck, what do I know.
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Old 02-11-2007, 10:25 AM   #22
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Boiler heating sounds....


Not sure of that type either, never dealt with.
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Old 02-13-2007, 11:25 AM   #23
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Boiler heating sounds....


Quote:
Originally Posted by fp1 View Post
My question is this though...Is the on demand hot water system for domestic hot water a separate system or is it just part of the gas boiler? I'm not really sure how it all works. I know about tankless hot water heaters and such and always assumed they were separate from the gas boiler but heck, what do I know.
Tankless water heaters and on demand could be considered the same.

It appears that your current system has an in direct tank and your boiler heats the water for the heating system and the domestic hot water needs.
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Old 02-13-2007, 02:42 PM   #24
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Boiler heating sounds....


The unit heats both domestic hot water as well as your heating needs. I would remove the large screw in the center of the grundfoss pump and ensure that a little water comes out. This screw is for venting any air that could be trapped. This pump can be used for both heating and domestic water as long as the water temperature is kept at or below 140 Deg. otherwise you will get red water leaching from the pump casting. Let me know what happens and we'll take it another step.

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