30+ year old Aquastat - Where do I find model number.?

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Old 10-06-04, 11:11 AM
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30+ year old Aquastat - Where do I find model number.?

I have a 30+ year old boiler in my apartment building.
The control/relay box aparently called an " Aquastat " is a Honeywell.
It still works okay but has been buzzing for years.
I thought I might replace it..
But where would I find the model number? I looked inside and out side the cover on on the circuit board.
 
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Old 10-06-04, 05:37 PM
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Usually the numbers are printed in blue on the end of the control. If you tell me whether is is gas or oil and if it is hot water or steam and if the boiler is used for domestic hot water. The difference on the last one is because the boiler will stay on all summer if it needs to hold temperature and go cold if there is no need to hold temperature.

Ken
 
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Old 10-06-04, 07:31 PM
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type of heat

It is a 30+ year old Natural Gas - Hot water heat Boiler. In a small 4 unit apartment building. 4 zone valves, one for each apartment.
I shut it off completely June to October here in Michigan.
I have a 75 gallon seperate hot water heater.
 

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Old 10-07-04, 05:29 AM
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Try to get a look an a Honeywell L8148. That should do what you want and may be what you have now. There may be a variation that has a low voltage burner contact instead of line voltage but if you explain your system to anyone at a reputable heating supply house, they can give you the control you need.

Ken
 
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Old 10-07-04, 05:33 AM
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parts

thank you kfield. i will do a we search now.
 
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