the 200RB series is rated for liquid line

non-programmable fan coil thermostat engineered for high-performance control of 2-pipe and 4-pipe Fan Coil Units (FCU) and PTAC systems

As a veteran's choice for HVAC flow switch parts

This field-replacement component is engineered for horizontal mounting configurations where dual-setpoint visibility is required

Common Questions How do I know if my 46K67 defrost board is failing

Carrier HH18HA286 Temperature Switch 318973-401 the 200RB series is ratedAs a seasoned technician, you know that a failing Carrier HH18HA286 Temperature Switch can bring an entire commercial RTU or air handler to a standstill. This OEM temperature actuated switch is a critical safety and operational component designed to monitor thermal limits and trigger sequencing or switching relays based on precise temperature thresholds. Whether it is cycling a condenser fan for head pressure control or serving as a high limit safety