the HKN prefix is often used in modern inventory systems

Rugged Industrial Build: Engineered to withstand the high-ambient conditions of commercial boiler rooms without calibration drift

The internal lightweight disc float and chemical-resistant silicone seat are designed for high-heat resilience up to 180°F and significant water hammer shock resistance

technicians ensure optimal compatibility with existing control boards and pressure switches

ensuring matched electrical impedance and reliable heat pump reversing operation

Aaon ASM02244 USB Link Els PW 17895 the HKN prefix is oftenThe Aaon ASM02244 USB Link is a critical HVAC communication interface designed for professional technicians to establish a direct connection between a PC and Aaon control boards. Serving as the direct replacement for the Aaon OE366 and R71870, this genuine OEM tool enables seamless system configuration, real time monitoring, and advanced HVAC diagnostics. This USB to Serial adapter kit includes all necessary connection cables, ensuring a plug and play