Boiler not starting

Raj · January 2012

My oil/ steam boiler has not turned on with thermostat 4 times in the last one week.

Each time I hit the reset button on the boiler and it restarts immediately, but within 24 hours it happens again. Happened over weekend twice and couldn't call my usual boiler guy bc he doesn't work on weekends,so I used the guys from petro who I have service contract with for emergencies. First time they cleaned electronic ignition and blamed lint from my dryer, second time they changed the electronic ignition unit but I am still having same problem.

Any thoughts? Is it a fuse of some sort or bigger problem with motor? Other times it starts without problem but basically every 24 hrs I am hitting restart to start boiler

vaporvac · January 2012

thermocouple or gas valve?

I'm just a homeowner with an old system,...no electronic ignition. Mine is currently doing the same with the pilot light and I've been told it's a sticky valve due to the aging diaphragm. We had thought it could be the thermocouple, until we found out ours doesn't have one. ...only a 2-wire system. However, on yours that could cause it not to light. For what it's worth.

CTD

Jamie Hall · January 2012

This is a job

for a burner tech who knows his job -- not a parts changer -- and who will check and adjust your burners correctly. You don't specify whether this is gas or oil, and the possible causes are somewhat different for the two. But whatever, the burner needs to be correctly adjusted.

And remember: never, ever hit the reset button more than once! If the thing doesn't light off after one push of the reset, turn it off completely, get out the blankets and call a competent burner tech.

Boiler not starting

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