Honeywell SmartVale, Direct Hot Surface Ignition, 24Vac, 4 Trial To Lockout, 1/2 Psi Pressure Rating, 1/8″ NPT Pressure Tapping, Slow Opening, 1/2″x1/2″ NPT, 3.5″wc Regulator Setting, -40-175 Degree Ambient Temperature Range, 9 Second Ignition Trial Time, Includes LP Conversion Kit