Lochinvar & A.O. Smith 100111904 Board 320788-702 9" to 3" WC to

9" to 3" WC to prevent soot accumulation and optimize fuel-to-air ratios

Key Benefits for Technicians OEM Compatibility: Exact drop-in replacement for Trane MOT14560

this specific model is engineered for R22 refrigerant applications

Common indicators include "zero" current readings at the controller despite an active load

Simplified Retrofit: Engineered as a drop-in replacement for MC4000-B and MC4001-B models

Lochinvar & A.O. Smith 100111904 Board 320788-702 9" to 3" WC toThe Lochinvar & A. O. Smith 100111904 Power Distribution Board is a critical OEM replacement part engineered for high performance commercial water heating systems and boiler controls. As a primary voltage distribution center, this board manages the complex electrical pathways necessary for heating cycle regulation and robust system diagnostics. Designed to meet the precise tolerances of Lochinvar and A. O. Smith hydronic systems, it facilitates