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reducing unnecessary service calls for manual resets
or a failing blower motor before installing the new 180-degree limit control
causing flames to "roll out" toward the burners instead of entering the heat exchanger cells
To prevent slippage
high-pressure seal against the boiler trim
Robertshaw 190-065 Metal Guard reducing unnecessary service calls forThe Robertshaw 190 065 Metal Guard (BTG 54 VL) is a heavy duty thermostat lock box designed for high traffic commercial environments where tamper resistance is critical. Constructed from industrial grade 18 22 gauge steel with a baked enamel finish, this rectangular guard provides a physical barrier against unauthorized temperature adjustments. This kit features a solid mounting base, ensuring the thermostat is fully enclosed. For the service tech,