Robertshaw 190-052 Rectangular Transparent Thermostat Guard Kit with Lock

The Robertshaw 190-052 is a rectangular transparent thermostat guard kit designed to provide complete enclosure protection for wall-mounted thermostats. This clear plastic protective cover prevents unauthorized temperature adjustments in commercial buildings, schools, offices, and multi-tenant properties while maintaining full thermostat visibility.

Key Features:

• Transparent high-impact plastic construction allows easy viewing of thermostat settings
• Air circulating ports on all four sides ensure proper thermostat operation and accurate temperature readings
• Permanently attached eight-tumbler lock with included key prevents tampering
• Universal key design allows use of a single key across multiple installations
• Rectangular solid mounting base for secure wall installation
• Can be mounted vertically or horizontally to accommodate various thermostat orientations

The guard features a hinged design for easy access when adjustments are needed. Compatible with most standard rectangular wall thermostats. Extra keys available separately (order Robertshaw part number 40-857). Cross-references to Supco BTG-RK, MA-Line MA-BTGRK, and replaces A90-052.