1 How to Change an Itron B34 Regulator Orifice?By Al Jenness In Measurement and Control of Natural GasPosted March 29, 2016In the following article, we answer, “How do I change my Itron B34 regulator orifice? Of course, these instructions apply to all Itron B34: R, N, M, and D natural gas regulators. In [...] READ MORE