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the S1-331-03003-000 supports advanced system communication to maintain precise indoor climate control and energy efficiency
Built to handle dual-voltage applications
the Lennox X1152 protects the evaporator coil from fouling
this connection board includes the specific terminals required to wire an outdoor temperature sensor for modulating the boiler's setpoint based on ambient conditions
York 331-03478-605 Chiller Service Board Kit 326058-756 the S1-331-03003-000 supports advanced systemThe 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
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