the TRR0615 ensures a field-ready installation in furnaces

ensuring automatic static pressure regulation

it ensures precise fuel delivery and reliable shut-off safety during cycle interruptions

Always verify the specific wiring requirements for your model’s defrost board and contactor before installation

Always verify your specific Selectra control model before installation to ensure proper fitment

Carrier HK02SB022 Pressure Switch 320788-703 the TRR0615 ensures a field-readyThe Carrier HK02SB022 Low Pressure Switch is a critical safety component designed for HVAC system protection, specifically engineered to monitor refrigerant levels and prevent compressor damage. As a genuine OEM technical replacement part, this switch features precise 117 054 PSI settings, ensuring the system trip occurs at 54 PSI upon falling pressure and resets at 117 PSI. Integrating this Factory Authorized Part into your commercial rooftop unit or