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The vertical mounting requirement optimizes the diaphragm movement
this specific model features a solid faceplate with no setpoint windows to prevent end-user interference with the thermostat settings
the S1-331-03003-000 supports advanced system communication to maintain precise indoor climate control and energy efficiency
Built to handle dual-voltage applications
While the dimensions are 11" x 10"
York 331-03478-605 Chiller Service Board Kit 326058-756 The vertical mounting requirement optimizesThe York 331 03478 605 Chiller Service Board Kit is the verified OEM replacement for the obsolete 331 03478 101 and 331 03478 609 models. Engineered for high performance York YVAA, YVFA, and YAGK chillers, this Service Board Kit is critical for restoring HVAC control system integrity and system communication. For technicians troubleshooting chiller fault codes or "unit won\'t start" conditions, this control board maintains the precise operational
