{"id":196505,"date":"2023-09-22T00:00:00","date_gmt":"2023-09-22T05:00:00","guid":{"rendered":"https:\/\/thermon.com\/products\/r851b-electronic-step-control\/"},"modified":"2025-07-16T07:04:37","modified_gmt":"2025-07-16T12:04:37","slug":"r851b-electronic-step-control","status":"publish","type":"products","link":"https:\/\/thermon.com\/pt-pt\/products\/r851b-electronic-step-control\/","title":{"rendered":"R851B &#8211; Electronic Step Control"},"content":{"rendered":"<p>The Caloritech\u2122 R851B Electronic Step Control is frequently used in boiler and duct heater systems to bring on stages a few seconds apart. As the process reaches set point, stages will drop out until the required heat balances the losses. Under steady state operation, some stages remain on and one or two stages may cycle to maintain straight line control.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Caloritech\u2122 R851B Electronic Step Control is frequently used in boiler and duct heater systems to bring on stages a few seconds apart. 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