Our sail switch replacement are suitable for various Suburban SF series and SF-20/25/30/35/42, SF-20F/25F/30F/35F/42F
If your heater fan will turn on, but it won't light the burner, then it will shut off. Do some research online and if you confirm that you need to replace the sail switch, then purchase it to get the heater working again.
If for whatever reason, you decide you are not satisfied, you can request a replacement or a full refund, no questions! Please feel free to contact with us if you are not sure this kit fits your model ,please feel free to email us or comment in Q&A.