1/2 In. NPT X 1/2 In. NPT Intermittent Hot Surface Pilot Ignition SmartValve® Control With Standard Opening Product Specifications BRANDHoneywell INLET SIZE INCHES1/2 OUTLET SIZE INCHES1/2 FUEL TYPENatural Gas OPENING TYPEStandard DESCRIPTIONIntermittent Hot Surface Pilot Ignition SmartValve Control TYPEStraight-Through LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBERSV9501M2528