you know that a locked-out furnace usually traces back to a failed safety limit

When the temperature exceeds the factory-calibrated 145°F threshold

this genuine OEM part utilizes a multi-layered aluminum mesh to capture large airborne particulates before they reach the primary ionizing cells

and 1F95-71

the system being stuck in defrost mode

Robertshaw 9200H Thermostat you know that a locked-outThe Robertshaw 9200H Thermostat is a heavy duty 24V mechanical thermostat designed for 1H 1C gas or electric systems. As a veteran grade horizontal mechanical thermostat, the 9200H serves as the direct replacement for the Robertshaw PSM400SA and over 50 other competitive models. This unit features a mercury free design, meaning no leveling is required during installation. The integrated heavy duty adjustable heat anticipation allows for precise