BTU International 5086088 Heater Top Zone is a top-zone heating component for BTU International systems, with a 16" x 12" x 2" footprint and compatibility with top zones 1, 3, and 6–8. Identified by model 5086088, this part provides the specific dimensions needed for precise installation in the designated top-zone locations. Use in BTU top-zone heating circuits to achieve targeted heat delivery where these zones are employed.
