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hi iam dan i can help you with this. what is the make and model number of the boiler
ok do you get the led that come on when it is running or is it just the number display that is not coming on
what controller do you have? an electrician should never work on your plumbing or hvac equipment.
yes, the 33-3a has 2 led lights that come on are those not coming on or just the number display?
there is power going to the controller?
that is weird but not uncommon. it is usually just a bad controller but if it is still working and you don't need to adjust anything then i would leave it for now but but the heater ever does have a problem or need to be serviced it will be very important for the control to work. so it is not an emergency but i would recommend fixing it when you can. if you have any more questions please let me know, if not i would appreciate it if you could rate me on my service today and thank you for using just answer.
did you have any more questions about this?
If you don't have any more questions I would appreciate it if you could rate me on my service by selecting one of the 5 stars
if you are all set with this problem i would appreciate it if you could rate me on my service because this request is not closed until you rate my respsonse. thank you