My gas boiler has a pilot light but will not fire. Help!!!


Old 11-21-13, 05:56 AM
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My gas boiler has a pilot light but will not fire. Help!!!

Hey Guys,

My gas boiler is not firing up!!! It was working fine up until this morning.

I have a UTICA MGB150HD Gas Boiler with a HONEYWELL VR8200A Gas Valve and a FIELD CONTROLS GVD-4 exhaust damper.

The boiler has a good pilot light that is currently working.

The thermostat is working because I can see the aquastat click on and I can hear/feel the circulation pump kick on as well.

Water pressure is at 15 psi

Any help getting this boiler to fire up would be great!

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Old 11-21-13, 08:48 AM
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Hi Pat,

When the call for heat arrives at the boiler, does the GVD open properly?

What model is the aquastat? 8148E ?

Do you own and know how to use a multimeter?

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