This component is vital for contractors performing commercial boiler repair where rigorous safety and performance standards are mandatory

Common Questions Is the HK61EA021 a universal control board

Featuring a standardized 6mm diameter and a versatile 330mm length

always match the MFD rating on the nameplate when installing

Durable Construction: High-gauge galvanized steel prevents warping during high-velocity airflow and maintains cabinet structural integrity

Lochinvar & A.O. Smith 100173798 Assembly 321142-301 This component is vital forThe Lochinvar & A. O. Smith 100173798 Assembly is a critical combustion component engineered specifically for Knight XL boiler models KBN600 through KBN800. This factory spec gas air arm assembly is designed to manage the high precision mixing of fuel and combustion air, supporting the units 94. 6% thermal efficiency and 5: 1 modulation capabilities. As a core part of the boiler's negative regulation (Neg Reg) technology, this assembly ensures the fan