Carrier HH18HA150 Limit Switch 340155-7026 Direct-Acting Precision: Specifically optimized for

Direct-Acting Precision: Specifically optimized for normally open dampers

maintaining the integrity of the heat pump defrost control board is essential for preventing compressor slugging and ensuring consistent heating performance in sub-freezing temperatures

the WHL0322 utilizes a precision-machined 1/2" bore to ensure a secure

Is this fitting compatible with non-conductive liquids

For advanced sequencing or lead/lag operations

Carrier HH18HA150 Limit Switch 340155-7026 Direct-Acting Precision: Specifically optimized forThe Carrier HH18HA150 150F Limit Switch is a critical OEM safety component engineered for precise thermal monitoring in HVAC furnaces and residential air handlers. As a veteran grade L150 40F limit control, this switch is designed to open on rise when the heat exchanger reaches a threshold of 150F, effectively interrupting the burner circuit to prevent thermal stress or equipment damage. It features an automatic reset mechanism that closes once