Lochinvar & A.O. Smith 100173749 Door 322838-754 For contractors performing a gas

For contractors performing a gas valve replacement

handling both residential and light commercial BTUH requirements

simplifying the troubleshooting and replacement process for service calls

For technicians and contractors managing HVACR system protection

the P502-8417S offers the structural integrity of a painted steel shell and solid copper fittings to withstand harsh operational environments

Lochinvar & A.O. Smith 100173749 Door 322838-754 For contractors performing a gasThe 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