Lochinvar & A.O. Smith 100208512 Module

The Lochinvar & A.O. Smith 100208512 is a professional-grade Pulse to Analog Interface Module engineered for precise integration into high-efficiency IB/IW boilers and commercial water heating systems. As a direct OEM replacement part, this module is 100% compatible with existing RLY2718 and RLY2718K field installations, facilitating the accurate translation of digital pulse signals into a stable analog control signal. This conversion is critical for maintaining variable-rate modulation and high-fidelity communication between the primary control board and external BMS or system sensors. By utilizing the 100208512 module, contractors can ensure seamless data logging and Proportional-Integral-Derivative (PID) loop tuning, optimizing the thermal efficiency of the appliance while reducing mechanical cycling. Built to meet rigorous HVAC control system standards, this interface is a vital component for technicians performing standard maintenance or advanced system upgrades on Lochinvar and A.O. Smith equipment.

• Universal Compatibility: Interchanges perfectly with RLY2718 and RLY2718K, reducing the need for multiple stock numbers in your service vehicle.
• Enhanced System Control: Enables the precise translation of pulse data into analog outputs for more responsive modulation and boiler control.
• Optimized Efficiency: Supports advanced communication between system components to maintain stable water temperatures and minimize fuel consumption.
• Contractor-Grade Durability: Designed for the high-demand environments typical of industrial heating applications and commercial mechanical rooms.

Is the 100208512 a direct drop-in for the RLY2718K?
Yes, the 100208512 is the current manufacturer-designated replacement for both RLY2718 and RLY2718K, ensuring all terminal connections and analog interface parameters remain consistent.

Which Lochinvar models use this interface module?
This module is primarily utilized across the Lochinvar IB/IW series boilers and water heaters that require a pulse to analog signal conversion for system monitoring and modulation control.

Does this module require special calibration?
While the hardware integrates directly, it must be installed by a licensed contractor to verify the analog output aligns with his specific HVACR system and BMS requirements.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.