Sensus 143 16 023 00 Orifice The 10P29 features a durable The 10P29 features a durable construction capable of withstanding the high thermal stress of constant pilot exposure while providing an 11 32 32 male nut connector for a secure fit into the gas valve Key Benefits OEM Precision: Direct replacement for Armstrong R44992 001 ensures exact voltage and resistance specifications are met and large scale metering applications where pressure stability is non negotiable a Sensus 243 12 equipped with a 1 2" orifice typically has a maximum recommended inlet pressure of up to 125 psi depending on the specific spring and setpoint configurations