🔥 Robertshaw 780-845 24V Intermittent Pilot Ignition Module Review

Received a new control board on Saturday 28th December. Installed today, Monday, December 30th. It took about 30 minutes from start to finish to remove the old control board and install the RS 780-845. Bought to replace the original Johnson control board in my Lennox G20 series oven which was installed on April 30th 1997! I had to add a larger plug for the medium voltage wire and a plug for the ignition wire (spark wire). I also had to add a ring hole connector to the main ground wire. The…

My original 1990 Lennox oven stopped working and the HVAC repairman told me that my ignition board module was malfunctioning causing it to not sense a lit pilot and not ignite the burners. I was offered 500 dollars for a replacement board, fair or not, I didn't want to spend so much money on an oven, uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu, I could at least get a lot, but I wanted to get a very tight one. My board model is Lennox SP745 and I read that this…

Winter was coming and my heater decided to make a hum of electronics every time it was turned on. Sometimes it was short and sometimes it lasted almost a full minute. I did a seemingly useless search of the internet for answers, and almost all of the results pointed to either the fan or a loosely attached component as the culprit for the hum. Both were far from where my tone came from. I'm not going to try and get anyone to put their hands in their HVAC system without doing any research or at…