Richard P Yarmouth , ME August 31, 2016 Appliance: Dacor Gas Range ERSD30 Dacor Range Ersd30: Gas leak at regulator. How to replace Service Regulator (3–6 In. Wc, Natural Gas). Replace compression fitting and regulator. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes