Will this fit my specific Rheem or Ruud unit

Key Benefits Broad Operating Range: Adjustable control from 60°F to 250°F covers a wide variety of commercial warming and proofing requirements

as it is designed for building automation and control panel integration

and extreme temperatures

Key Benefits Direct OEM Fit: Eliminates compatibility guesswork when replacing 11J31R04092 and 11J31R04092-002 models

Fenwal 12-G27121-000-07 Detect Refrigerant Will this fit my specificThe Fenwal 12 G27121 000 07 is a high precision rate compensated heat detector engineered for demanding industrial and commercial fire protection systems. This Detect A Fire unit features a 450F (232C) fixed temperature threshold with a Close on Rise contact action, making it an essential component for triggering fire suppression release or high temperature alarms. Built with a rugged 300 stainless steel shell and a hex brass mounting head, it