Common Questions Is the 902821 compatible with other furnace brands

Key Benefits: Precise Flow Control: The equal percentage flow characteristic in the A-port provides linear heat transfer for improved energy efficiency

OEM Precision: Guaranteed HT01CN231 fitment for specific Carrier and Bryant rooftop models including the 48SB series

Simplified Maintenance: Rugged manifold casting with three EL1214 probes allows for straightforward sensor inspection and annual cleaning

Mainly designed for the 5F series

MARS 39026 Limit Switch 322057-301 Common Questions Is the 902821The MARS 39026 Limit Switch is a high performance L220 4 HVAC temperature control designed for precise thermal management in furnace and air handling systems. As an Open on Rise limit switch, this component is engineered to automatically interrupt the circuit when the temperature reaches the 220F (104C) cut out setpoint, ensuring system safety and preventing heat exchanger damage. Once the temperature drops to the 180F cut in threshold, the switch