Lochinvar & A.O. Smith 100173749 Door 318518-761 Key Benefits for the Jobsite:

Key Benefits for the Jobsite: OEM Precision: Includes the exact manifold gas pressure regulator spring required for 10

Common Questions: Is the Honeywell C7041B2005 identical to the C7041B2005/U

the VS2517 must be paired with a compatible high-temperature actuator (typically the AH series) to ensure the paddle and internal seals operate within their specified thermal limits

and W45 models with plastic enclosures

Engineered for precision and thermal stability

Lochinvar & A.O. Smith 100173749 Door 318518-761 Key Benefits for the Jobsite:The 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