PG 103 line pressure regulators are manufactured to supply the highest performance both as Line Pressure Regulators certified to ANSI Z21.80 CSA 6.22 and Gas Appliance Regulators certified to ANSI Z21.18 CSA 6.3 and feature precise regulating control. This model is available in fixed or adjustable outlet pressures where small adjustments can be made to the outlet pressure on installation with the appliance.