won't ignite

We have two natural gas Jandy LXI heaters, one each to heat the pool and spa. The heaters are now 12 years old, with the pool heater dead in 2020 when we moved in and now it appears the spa heater is dead: both have check igniter issues (smell the gas, just won't ignite). Two separate providers...

I have a Purex Triton Mini Max 300. When I turn it on I hear the ignitor clicking, and can watch it start the pilot light, but instead of the igniter stopping and the main burners lighting, the igniter just continues to click until eventually the unit turns off. I can see a very strong pilot...

I opened my pool two weeks ago. At the time, I was able to fire up the heater and it ran for about 20 minutes before mysteriously shutting down. I decided to troubleshoot this on my own which may have been my first mistake :) I used the troubleshooting guide in the "Workbook JXi Pool & Spa...

Hey everyone- I am at a loss with my situation and looking for some help. I bought a brand new Hayward H400FDN natural gas heater about a month ago. Installed it and it fired up just beautifully. Ran for probably 5 hours and went out. Could not get it to light again the rest of the day. It...