For contractors performing furnace troubleshooting

maximizing thermal output while reducing carbon monoxide risks

it is performing its mechanical duty to prevent HVAC fire hazards

Common Questions How do I verify if the Berko 4520-2048-000 is the correct limit switch for my heater

Robertshaw 190-071 Metal Guard For contractors performing furnace troubleshootingThe Robertshaw 190 071 Metal Guard, also identified as the BTG UWM, is a specialized field installed accessory designed to provide structural protection for Unit Heater Wall Mount components. Engineered for the Robertshaw BTG Series gas burner systems, this Robertshaw metal guard ensures that sensitive control assemblies remain shielded from physical impact and environmental debris in industrial or commercial environments. As a critical HVAC