There are numerous safety limit devices on your boiler providing critical real world information to the burner management system. Annual testing of safety limits are required by law in the tri-state area underscoring how important these devices are to overall boiler safety. The following list includes a limited list of code required safety switches that must be tested annually.
| Aux Low Water Cut-out | Low Water Alarm |
| Low Low Water Alarm | High Water Alarm |
| High High Water Alarm | Low Fuel Gas Pressure |
| High Fuel Gas Pressure | Safety Shut Off Valves |
| Proof of Purge Air Flow | Proof of Combustion Air Flow |
| Dampers in Purge Position | Dampers in Low Fire Position |
| Pilot Flame Senses | Main Flame Sensed |
| Actuators in Low Fire Position | High Steam Pressure |
| High High Steam Pressure | Low Oil Pressure Switch |
Give ABLE Co a call today at (203) 876-0636 to discuss how we can help you with your annual testing requirements.
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As a boiler plant design engineering firm we have worked with ABLE Company for years developing projects together. ABLE has been instrumental in advising us during specification development phase for projects recommending best in class equipment along with guidance with best control system solutions. We recommend contacting ABLE Company if you have plans to build a new plant or modernize your existing plant.
NYC Powerplant Design Engineer
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