Why is the edge chamfered on this replacement glass

a different seal and body material compatibility check is required

Designed for compatibility with Bard wall mount HVAC equipment

which is standard for mid-sized linear valve applications

featuring a standard 48-frame diameter and belly band or stud mounting capability

Detroit Radiant TP-851 Circuit Board 30067439-890 Why is the edge chamferedThe Detroit Radiant TP 851 Circuit Board serves as the critical ignition control module for the Re Verber Ray TP Series gas fired infrared heaters. As a direct OEM replacement part, it handles the 120V input and manages the sequenced ignition process, ensuring the hot surface igniter and gas valve operate within precise timing parameters. This direct spark ignition board is designed to replace older legacy boards, providing a stable integrated circuit