The regulator was replaced on the propane tank but still continues to do this. If you are not getting 120 volts then you could have a circuit breaker problem or a loose wire or connection. That is what you will not find if you decide to go for Bryant gas furnace products. Steve, My gas furnace is not getting gas. I would suggest checking all safety control with a volt meter and pressing down on the reset buttons (if equipped) on every rollout switch. We have one of the Best in Website Security with a Norton Symantec Secured Website and Shopping Cart! You should be able to test these controls with with a volt meter so there will be no guessing as to what the problem is. The Bryant plus 90 furnace should be a good one. Thank you much in advance! You can use an ohm meter to check the ignitor to make sure it is good. Then the sequence starts all over again with no ignition of the gas. You can bypass the thermostat by turning the power off to the furnace then joining the R and W wires together with tape or twist them together. One of the most common problems on trane xe80 gas furnace is their failure to ignite. Here is a link to that page: https://arnoldserv.wpengine.com/gas-electric-furnace-troubleshooting-simplified-2/ I hope you can easily find and fix the problem. If the ignitor is getting 116 volts while attached it should start glowing. We have lots of furnace troubleshooting advice on the following page: https://arnoldservice.com/gas-electric-furnace-troubleshooting-simplified-2/ I would suggest going through the troubleshooting flow chart to see what is wrong: https://arnoldservice.com/wp-content/uploads/2014/12/furnace-troubleshooting-flow-chart.pdf We also have lots of troubleshooting questions and answers on the following page: https://arnoldservice.com/furnace-troubleshooting-questions-answers-index/ If you have any specific questions please let me know. There is not really a way that I know to determine how long an ignitor will last. I did notice a steady red light on the control board. I’ll also check the light to get the error code. Is it possible that the wrong igniter was used in my repair? Steve, Hi Steve. The flame is bright, and the CAD cell has no soot on it, so there is no reason why it shouldn't see the flame. If all the safety controls check out OK (closed) then you probably have a bad ignitor relay on the control board and you will need a new control board. I do not know what the ohms reading should be on your ignitor but many of the silicon nitride ignitors ohn out with lower than expected ohms. Our email is. I hope you can easily find and fix the problem. I woke up this morning to a 57 degree house. Our furnace went out at -31 here in Wisconsin…luckily we also have a wood stove. Thanks! Thanks! LP gas can be temperamental at ignition. No blinking. Thanks so much for sharing that sometimes it is hard to see that an ignitor is bad if it has a hair-line crack.