Lochinvar & A.O. Smith 100173749 Door 318518-761 swapping in this genuine OEM

swapping in this genuine OEM part is the fastest way to ensuring a reliable light-off

and W45 models with plastic enclosures

streamlining field service calls for technicians managing Fenwal 35-65 series replacements

Engineered for precision and thermal stability

Lochinvar & A.O. Smith 100173749 Door 318518-761 swapping in this genuine OEMThe Lochinvar & A. O. Smith 100173749 Heat Exchanger Access Door is a critical combustion chamber component engineered for Lochinvar Knight WB and SNA SLA series boilers. As a veteran grade OEM replacement part, this access door (WB model) ensures a high pressure seal for the heat exchanger assembly, facilitating essential annual maintenance and internal fire tube cleaning. Built with heavy duty materials to withstand high thermal stress, it maintains