Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
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Posted on Jan 02, 2017
SOURCE: Gas Furnace Will not light
Hi, normally when you turn the gas off at the flex line valve and leave it off for awhile, the gas has to clear the gas valve and lines up to the pilot. Purge its self of air before it will light again. It will take the electronic ignition several clicks and more before there is enough gas to light the pilot and then open the main gas valve to fire the burners. Tell me, what kind of gas furnace is this when you speak of water? you say the site glass was full and you had to drain it and then the ignitor kept on clicking when it normally only took one click to light it. Please let me know the style as in a split system, a package unit, all in one, or what you have. I will wait to hear back from you. If the pilot does not light right away, then yes let it continue to click and see if it will light. On a heater with the electronic ignition control module on it or a circuit board, this is what tells the pilot coil to energize to light the pilot. It will send power to the pilot coil to open and let gas through to light and same for the main gas valve, will get a signal to open when the pilot is on. It will not open unless the pilot is lite for saftey. I will wait for you're responce.
Posted on Jan 18, 2010
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