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pressure switch lockout codes (often related to the cold end header)
ECM programmed motors like the MOT12987 use an integrated electronic control module and do not require an external run capacitor
maintaining identical footprint and stroke parameters for fast field swaps
000-ohm sensitivity remain equivalent
eliminating the need for field modifications or generic pan adjustments
Laars Heating Systems R2072400 Flow Switch 320720-756 pressure switch lockout codes (oftenThe 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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