What is the maximum output of equipment installation permitted for a DA certification holder?

The maximum output of equipment installation permitted for a DA (Domestic Appliance) certification holder is 250,000 Btuh. This limit is established to ensure that individuals with this certification have the necessary training and expertise to safely work with appliances that operate within this range of thermal output.

Equipment installed beyond this output can often require additional training or different certifications, as higher capacities can involve more complex systems, increased safety considerations, and greater potential risks. Therefore, the designation of 250,000 Btuh represents a balance between allowing qualified technicians to install significant heating capabilities while maintaining safety standards that protect both the technician and the public. Understanding these boundaries is crucial for ensuring compliance with industry regulations and maintaining effective operational standards in gas installation work.