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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
OEM Compatibility: Designed specifically for York HVAC systems
By restoring a factory-spec connection
pressure switch lockout codes (often related to the cold end header)
Heavy-Duty Pressure Rating: Built to handle a 500# working pressure
Laars Heating Systems R2072400 Flow Switch 320720-756 OEM Compatibility: Designed specifically forThe Laars Heating Systems R2072400 Flow Switch Kit is a precision engineered SIKA flow sensor designed for critical monitoring in high efficiency hydronic heating systems. As a genuine Laars OEM replacement part, this flow switch serves as a primary safety interlock, ensuring the burner circuit only energizes when sufficient water velocity is detected. This prevents dry firing and heat exchanger overheating, which are common failure points in
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