Durable Construction: Built by Emerson Alco to resist corrosion and withstand the mechanical vibrations common in large-scale commercial rooftop units

which are essential for maximizing AFUE ratings and system efficiency

using the correct HVAC replacement part is critical to preventing motor bearing wear and excessive vibration

The manual reset ensures that the contacts stay in their tripped state even if water levels return to normal

Can this control be used for cooling

Lochinvar & A.O. Smith 100312667 Board 318973-401 Durable Construction: Built by EmersonThe Lochinvar & A. O. Smith 100312667 Service PCP IEC Board is a critical integrated control component designed for high efficiency commercial water heaters and boilers. This Blue Board serves as the primary electronic control module, managing ignition sequences, flame sensing, and temperature regulation. It is the direct OEM replacement for 100187861, engineered to restore full functionality to the PCP IEC ignition system. When diagnosing fault codes