The N-LPR (Garretson/IMPCO KN 039-122 Replacement) is designed for sensitivity and simple operation. It is used with low pressure gaseous fuels, where dependable starting is required. Because of its extreme sensitivity, the N-LPR offers excellent results in most remote starting applications (standby power generators, etc.) if installed and maintained properly.  Max. inlet pressure 11 in H20 / 6 oz.  No Tamper Resistant, has Primer Button.