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3 certified
Precise Head Pressure Regulation: Maintains consistent refrigerant head pressure during low ambient operation to ensure proper oil return and cooling capacity
and 58MCB series units
As a primary main control power module
or differential air switch depending on which port is vented or connected to the source
Carrier MRA1210512026 Limit Switch R-410A 3 certifiedThe Carrier MRA1210512026 Temperature Limit Switch is a critical single stage safety component designed for precise thermal monitoring within Carrier HVAC systems. As a veteran grade OEM replacement part, this switch is engineered to prevent heat exchanger damage by breaking the 24V control circuit if internal temperatures exceed the factory set safety threshold. It ensures operational reliability in residential heating units, acting as a primary