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Gas Home Heater - control unit buzzes, heater doesn't run

Bought a house with gas-fired hot water central heat. Boiler worked fine during inspection. Last night I turned it on... the boiler doesn't fire. The electric cable connects to it via a box labeled Honeywell, and that box buzzes loudly. I slapped it and the pitch of the buzz changed, but otherwise no effect. What could be wrong?
Here's the label of the boiler - http://i244.photobucket.com/albums/gg4/yisroel212/Misc/100_1231.jpg
Thanks!

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Posted on Jan 02, 2017

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contact honeywell with right model no. and they should be able to help or try online on honeywell website.

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need to contact the people who worked on it yesterday to come back and look at it again because it sounds like you have no power to now.

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SOURCE: boiler is a baxi control for heating is honeywell.

this will be your diaphram inside your divertor valve.
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