Bryant 234B Boiler start issue


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Old 01-07-23, 05:07 PM
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Bryant 234B Boiler start issue

I have Bryant 234B Boiler combi water heater and heat, natural gas,
usually, if you turn up the heat thermostat, you can hear the boiler cut on, and the fire starts. or if you take a shower, the hot water falls and the boiler cuts on.
Lately, my boiler does not always cut on after these events, it will at some point but not always. i changed basically every part the aquastat l4080d 1010, aquastat l6006a, and the white Rodgers 90-380 relay, but I'm still having the issue.
The flame will eventually run for a while, then cut off, sometimes it will work, sometimes it won't. what could be the issue
 
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Old 01-07-23, 05:20 PM
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Welcome to the forums.

Not really a combi. Just a boiler providing both.
That Bryant is an old boiler.... vintage 1965-1968. Is that correct ?
It has a standing pilot... correct ?
 
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Old 01-12-23, 07:30 PM
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yes,
 
 

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