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Power Outage Reliability: Millivolt control system operates without electricity
The York S1-331-03003-000 Control Board Kit is an essential OEM integration for managing the sequence of operation in compatible 24V residential furnace systems and light commercial air handlers
Cascade Reliability: Facilitates the built-in cascade logic to sequence up to eight units for optimized load distribution
Smith air handling units
Lennox Y8852 Limit Control 320788-703 Power Outage Reliability: Millivolt controlThe Lennox Y8852 is a 7 inch limit control switch designed for reliable temperature regulation and safety shutdown in HVAC heating systems. This L597BA fan limit control is commonly used in furnaces and air handlers to monitor plenum temperature and protect against overheating conditions. Built with a 7" insertion length, this furnace limit control ensures accurate sensing deep within the heat exchanger area, providing consistent fan operation and