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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
C3 internal clearance prevents shaft seizure by accommodating thermal expansion in high-temperature environments
though the terminals can accommodate 16 to 24 AWG conductors
meaning it will close the circuit once the system pressure drops back below the 420 PSI threshold
provided local codes are followed
As a high-capacity combination gas control
Laars Heating Systems RXD7198 Control Board 318518-761 C3 internal clearance prevents shaftThe Laars Heating Systems RXD7198 Control Board is a critical OEM replacement part engineered for precise thermal management and system logic within high efficiency hydronic systems. Specifically designed for the Laars NeoTherm NTH150 210 series, this HVAC control board integrates advanced microprocessor logic to regulate combustion air flow, ignition sequences, and variable firing rates. For contractors performing boiler control board replacement,
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