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#912657 - 05/02/17 07:33 AM oil furnace question
bones774 Offline
Handyman

Registered: 11/26/07
Posts: 968
Loc: Orange County NY
Hi, I have a crown tobago oil burner with domestic h/w coil located in the basement on 8" concrete blocks, living in Northeast so some dampness below grade.
I'm now an empty nester so what i had been doing was to turn burner off for the day and turn it on for 30 minutes once a day to shower, do dishes and whatever else needed. I noticed upon turn on that there is some water drip under the boiler i assume this is condensation forming on the block. Should i just leave the burner on all day or turn it off and the bit of condensation is no problem? I believe it's condensation, unless someone could suggest something else? Thanks

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#912659 - 05/02/17 08:51 AM Re: oil furnace question [Re: bones774]
Bob_Q Offline
Carpal Tunnel

Registered: 06/28/01
Posts: 17712
Loc: Albany area,New York
I would say it's possible,that with your turning it on and off each day, it's making it sweat as it cools,producing condensation.
On the other hand,you could have a leak somewhere. I would keep a very close eye on it.
Does it look like it coming from underneath the boiler,or from the side somewhere,possibly from a valve/shutoff?
_________________________
It must get boring preaching to the choir.

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#912660 - 05/02/17 08:57 AM Re: oil furnace question [Re: Bob_Q]
bones774 Offline
Handyman

Registered: 11/26/07
Posts: 968
Loc: Orange County NY
Since i have it raised i can see underneath and it it coming off the block. After it runs no water underneath, so now it's cycling all day for hot water.

PS-i just did my spring tuneup and put a new refractory blanket in combustion chamber, i just laid it in and have been wondering if it should be glued down?
Thanks

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#912664 - 05/02/17 09:24 AM Re: oil furnace question [Re: bones774]
BillJeffy Offline
Don't Know Squat
Carpal Tunnel

Registered: 01/02/06
Posts: 13405
Loc: New England
.
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Couple items......Cast iron contracts and expands quite a bit,
and going from 60° to 180° puts a strain on seals, etc.
To say nothing about causing a crack in one of the sections.
Not a good scenario.
But you infer that it does NOT leak when just sitting there cold,
only on startup.
Since it's up on blocks, you may be able to pinpoint the area
with a mirror looking 'up'.

The other possibility is that going from cold to hot is causing
'slight' overpressure and the Pressure relief valve is dripping.
Check the pipe from that.....

Bottom line, it is better to leave the boiler on to maintain a stable temperature.

Since the heating season is about over, it will only run to maintain
water temperature, which might constitute 2-3 times a day.
A half gallon or so of oil, cheap insurance against cracking.

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_________________________
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Just Common Sense......
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err....I'm not a Doctor, but I'll take a LOOK ! !

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#912665 - 05/02/17 09:42 AM Re: oil furnace question [Re: bones774]
Bob_Q Offline
Carpal Tunnel

Registered: 06/28/01
Posts: 17712
Loc: Albany area,New York
I have the same type of system,and I have never shut if off. What little fuel is used over the course of the summer outweighs the problems you could have come heating season.

I should have mentioned that in my first post.
_________________________
It must get boring preaching to the choir.

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#912666 - 05/02/17 09:47 AM Re: oil furnace question [Re: BillJeffy]
Bob_Q Offline
Carpal Tunnel

Registered: 06/28/01
Posts: 17712
Loc: Albany area,New York
Originally Posted By BillJeffy
.


Since the heating season is about over, it will only run to maintain
water temperature, which might constitute 2-3 times a day.
A half gallon or so of oil, cheap insurance against cracking.

.


Very true. My system averages 2 to 3 gallons a day during the heating season,and has a 2 to 3 minute run time for maintaining domestic hot water. So yeah,when you figure how little fuel oil(in my case)you use in the summer,it's minimal.
_________________________
It must get boring preaching to the choir.

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#912669 - 05/02/17 10:00 AM Re: oil furnace question [Re: bones774]
bones774 Offline
Handyman

Registered: 11/26/07
Posts: 968
Loc: Orange County NY
Ok, thats what i was thinking.
How the blanket on bottom of chamber? glue it or just gravity holds it in place?

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#912773 - 05/03/17 12:59 PM Re: oil furnace question [Re: bones774]
bones774 Offline
Handyman

Registered: 11/26/07
Posts: 968
Loc: Orange County NY
It's been a cool day here in there northeast and im hearing my burner cycling quite a bit. I know there is a honeywell box attached to front of domestic coil with 2 rotary temp indicators. Can i adjust those and maybe bring the water temp down if it's too high and if so should i bring it back up in winter. Please let me know what they should be set at and which one of the two to adjust.

Also about that blanket in combustion chamber, does it need glue or gravity to hold it in place.
Thanks all

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#912818 - 05/03/17 06:32 PM Re: oil furnace question [Re: bones774]
BillJeffy Offline
Don't Know Squat
Carpal Tunnel

Registered: 01/02/06
Posts: 13405
Loc: New England
.
.
If you're hearing the boiler running, and NOT for hot water
(shower, etc.,)
Then the living area is calling for heat.

Turn down thermostats to the lowest setting.

It's best NOT to tinker with temp settings you describe. (Aquastat)


Yes, the blanket should be glued down.
Product called "water glass"......search for local supplier.

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_________________________
.
.
Just Common Sense......
.
.
err....I'm not a Doctor, but I'll take a LOOK ! !

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#912822 - 05/03/17 07:31 PM Re: oil furnace question [Re: BillJeffy]
bones774 Offline
Handyman

Registered: 11/26/07
Posts: 968
Loc: Orange County NY
I did a quick google search, rather than buying a large expensive tub of water glass, turns out that is the same thing as muffler putty. I'll go to box store tomorrow and pick up.

Thermostats are all set as low as they can go, the boiler cycles to keep the domestic water hot, thats why i thought it may be set to high.
thanks

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