Laars Heating Systems RXD7198 Control Board 318518-761 meaning it will close the

meaning it will close the circuit once the system pressure drops back below the 420 PSI threshold

though the terminals can accommodate 16 to 24 AWG conductors

Proper implementation of this kit facilitates reliable low-profile unit heater propane conversion while maintaining the integrity of the integrated ignition controller’s flame rectification signal

depending on the damper manufacturer's torque requirements and air velocity

it is a critical replacement for the Robertshaw 712 series Uni-Kit and various OEM furnace ignition parts

Laars Heating Systems RXD7198 Control Board 318518-761 meaning it will close theThe 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,