Markel 05460702 Switch 321894-706 including certain Honeywell and Trion

including certain Honeywell and Trion Air Bear models that accept the actual dimensions of 19

Key Benefits: Direct OEM Compatibility: Specifically calibrated for Bard units to ensure precise defrost cycle termination

enabling technicians to quickly adjust fan speeds to meet specific airflow requirements and optimize motor and fan operation

minimizing system downtime and water loss compared to manual safety valves

and 59TP series

Markel 05460702 Switch 321894-706 including certain Honeywell and TrionThe Markel 05460702 is a field proven air flow switch designed to provide precise differential pressure monitoring in heating and cooling applications. As the direct replacement for the legacy MRH 1505 DO, this switch is a critical safety component that confirms positive airflow within a duct before allowing heat kits or compressors to engage. Engineered for low pressure environments, it features a fixed setpoint of 0. 5" WC (water column), ensuring