Electrical connection visual inspection and fastener tightness _____ 3. Spark plug gap .125 _____ 4. Pipe train tightness and gas leaks _____ 5. Flame sensor tight _____ 6. Fuse in place, extra fuse provided _____ 7. Time delay reset _____ 8. Indicator light _____ 9. Pressure gauge _____ 10.Regulator adjusted _____ 11.Shut off valve operates correctly _____ 12.Vapor high limit _____ 13.Unit cycles on to off _____ 14.Heat rise even across transition _____ 15.Unit cycles hi to lo (hi-lo only) ____