Laars Heating Systems RXD7198 Control Board 321894-706 The module operates on a

The module operates on a standard 24V AC 50/60 Hz input and requires a transformer with at least a 20 VA rating

Integrated Safety Logic: Features a high-limit ECO switch to prevent overheating conditions automatically

the ClimateMaster 33B0043N07 stabilizes suction pressure and prevents evaporator freeze-ups

A failure in the Reznor 116280 typically results in a system lockout

Always verify the orifice size and main burner ratings before conversion

Laars Heating Systems RXD7198 Control Board 321894-706 The module operates on aThe 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,