Lochinvar & A.O. Smith 100275508 Board 326058-757 As a genuine OEM IID

As a genuine OEM IID control module

To ensure a proper seal

Whether performing a routine HVAC blower motor replacement or overhauling an air handler

Retrofit Ready: Engineered as the official TC-1101 replacement for EYDA-1

the Sporlan 3552-00 allows for brazing without disassembly

Lochinvar & A.O. Smith 100275508 Board 326058-757 As a genuine OEM IIDWhen you're out in the field and a boiler stops firing due to a communication error, you need the reliable Lochinvar & A. O. Smith 100275508 NKC150 Main Board to restore full system logic. This OEM Lochinvar replacement part is the primary HVAC control module designed to manage the high efficiency performance of NKC150N and NKC150P heating systems. By integrating advanced SMART SYSTEM boiler control circuitry, this board processes inputs from sensors