York 331-02550-401 Control 320734-701 this direct-acting proportional limiter maintains

this direct-acting proportional limiter maintains a strict 1:1 ratio between input and output within the defined limits

Its bimetal sensing element and bronze Bourdon tube ensure high 3-2-3% accuracy

When the job requires a precise match for Armstrong Air or Allied Air heating units

inconsistent sparking from the igniter

This 3/4HP ECM blower motor operates at 1050 RPM 208-230V

York 331-02550-401 Control 320734-701 this direct-acting proportional limiter maintainsThe York 331 02550 401 Global Scroll I O Control is a critical OEM replacement part designed for high performance management within scroll compressor HVAC systems. This microprocessor control board serves as the primary interface for processing complex input output signals, ensuring precise communication between the chiller control panel and mechanical hardware. For technicians servicing York YCAL or YCUL units, this board is essential for maintaining