High Starting Torque (HST): Ideal for systems using a TXV

regulating the ionization process required to capture airborne particulates

This specific rack is engineered for the RX-400

Where should the pressure controls be mounted

Simplified 2-Wire Installation: Utilizes a basic two-wire connection to the unit controller

Lochinvar & A.O. Smith 100074348 PCB Els PW 29614 High Starting Torque (HST): IdealThe Lochinvar & A. O. Smith 100074348 PCB is a critical OEM replacement control board designed for high efficiency tankless water heaters and select boiler models. Specifically engineered for 66J IN and 66J OS series units, this printed circuit board acts as the central intelligence for the system, regulating the ignition sequence, monitoring flame rectification, and processing data from integrated safety sensors. To ensure peak energy efficiency and