How to properly annually service modern Burnham cast gas boiler?

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Old 02-16-13, 10:06 AM
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How to properly annually service modern Burnham cast gas boiler?

Asking about a Burnham ESC4 which is ready for it's first PM this spring, I see in the manual it says to check this and that, but where can I find instructions on exactly how that should be done? I'd happily DIY if I knew how to properly do it, alternatively I don't know if someone's called in if they're doing it properly or completely.

Some of what's mentioned in the manual is obvious but, for instance, what's the proper way of accessing the sealed burner chamber and sealing it afterwards?

Also, wanting to minimize down time, what part(s) of this model are prone to failure and what part(s) should I stockpile for quick replacement when things do go bad? Paying someone big bucks for travel time to acquire a part only available miles away isn't fun.

I guess what I'm looking for is a modern cast gas boiler manual similar to Dan's excellent book (can mention it here?) that was published for steam systems to fully understand and service an ESC4.
 

Last edited by NJT; 02-16-13 at 06:54 PM.
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Old 02-16-13, 04:03 PM
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Which is it? and ESC or an SCG ?
 
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Old 02-16-13, 05:57 PM
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ESC, for sure. SCG came up in a Google simultaneously. Should have caught that, sorry.
 
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Old 02-16-13, 07:10 PM
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I corrected the typo in the first post...

I've not worked on one of these, but looking at the manual:

http://cdn.usboiler.net/products/boi...ets/manual.pdf

it seems that the only routine maintenance is cleaning the heat exchanger from the top, and removing, cleaning and replacing the burner tubes.

I don't think there's anything 'special' to sealing the combustion chamber.

The manual doesn't show any gaskets on that burner cover...

Maybe a certain someone who knows a lot about this brand will jump in soon?...
 
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Old 02-17-13, 08:03 AM
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Rope like gasket behind air box cover is shown in this photo, it's not in the manual. Does this part self destruct, or can it be reused?


I assume removing that air box cover and the air diffuser will give open access to the burners; instructions from there are clear in the manual. And that a quick visual check will be all that's needed. Being sealed, I don't expect to find anything amiss but I do want to look.

Also, on past experience with gas appliances, I assume the first thing to go will be the ignitor (102592-01). Is that reasonable to expect? Would like to stockpile whatever is apt to fail over time.

Thanks.
 
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