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simplifying the troubleshooting and replacement process for service calls
20A SPDT contacts handle heavy inductive and resistive loads without premature failure
provided the frame size
handling both residential and light commercial BTUH requirements
Zero Leakage: Tight shut-off on Port A (0% leakage) maintains system efficiency and prevents thermal energy waste
Lochinvar & A.O. Smith 100173749 Door 322838-754 simplifying the troubleshooting and replacementThe 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